diff --git a/packages/autorest.typescript/test/rlcIntegration/generated/bodyComplexRest/package.json b/packages/autorest.typescript/test/rlcIntegration/generated/bodyComplexRest/package.json
index fdc45aa566..cca2cc0784 100644
--- a/packages/autorest.typescript/test/rlcIntegration/generated/bodyComplexRest/package.json
+++ b/packages/autorest.typescript/test/rlcIntegration/generated/bodyComplexRest/package.json
@@ -34,7 +34,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -54,8 +53,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tsc && rollup -c 2>&1 && npm run minify && mkdirp ./review && npm run extract-api",
     "minify": "uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js"
   }
diff --git a/packages/autorest.typescript/test/rlcIntegration/generated/bodyFileRest/package.json b/packages/autorest.typescript/test/rlcIntegration/generated/bodyFileRest/package.json
index e377c04f34..0e5135c3b6 100644
--- a/packages/autorest.typescript/test/rlcIntegration/generated/bodyFileRest/package.json
+++ b/packages/autorest.typescript/test/rlcIntegration/generated/bodyFileRest/package.json
@@ -34,7 +34,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -54,8 +53,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tsc && rollup -c 2>&1 && npm run minify && mkdirp ./review && npm run extract-api",
     "minify": "uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js"
   }
diff --git a/packages/autorest.typescript/test/rlcIntegration/generated/bodyFormDataRest/package.json b/packages/autorest.typescript/test/rlcIntegration/generated/bodyFormDataRest/package.json
index 8d16a23eaa..8e8cd9b262 100644
--- a/packages/autorest.typescript/test/rlcIntegration/generated/bodyFormDataRest/package.json
+++ b/packages/autorest.typescript/test/rlcIntegration/generated/bodyFormDataRest/package.json
@@ -34,7 +34,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -54,8 +53,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tsc && rollup -c 2>&1 && npm run minify && mkdirp ./review && npm run extract-api",
     "minify": "uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js"
   }
diff --git a/packages/autorest.typescript/test/rlcIntegration/generated/bodyStringRest/package.json b/packages/autorest.typescript/test/rlcIntegration/generated/bodyStringRest/package.json
index 444ada568b..dab0e4bea5 100644
--- a/packages/autorest.typescript/test/rlcIntegration/generated/bodyStringRest/package.json
+++ b/packages/autorest.typescript/test/rlcIntegration/generated/bodyStringRest/package.json
@@ -34,7 +34,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -79,8 +78,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "karma start --single-run",
     "integration-test:node": "nyc mocha -r esm --require source-map-support/register --timeout 5000000 --full-trace \"dist-esm/test/{,!(browser)/**/}*.spec.js\"",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser",
     "test:node": "npm run clean && npm run build:test && npm run unit-test:node",
     "test": "npm run clean && npm run build:test && npm run unit-test",
diff --git a/packages/autorest.typescript/test/rlcIntegration/generated/customUrlRest/package.json b/packages/autorest.typescript/test/rlcIntegration/generated/customUrlRest/package.json
index bd9cb1d47d..89caf7a0e3 100644
--- a/packages/autorest.typescript/test/rlcIntegration/generated/customUrlRest/package.json
+++ b/packages/autorest.typescript/test/rlcIntegration/generated/customUrlRest/package.json
@@ -34,7 +34,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -54,8 +53,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tsc && rollup -c 2>&1 && npm run minify && mkdirp ./review && npm run extract-api",
     "minify": "uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js"
   }
diff --git a/packages/autorest.typescript/test/rlcIntegration/generated/dpgCustomization/package.json b/packages/autorest.typescript/test/rlcIntegration/generated/dpgCustomization/package.json
index 5a92abb754..9c3b9539a2 100644
--- a/packages/autorest.typescript/test/rlcIntegration/generated/dpgCustomization/package.json
+++ b/packages/autorest.typescript/test/rlcIntegration/generated/dpgCustomization/package.json
@@ -54,7 +54,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
diff --git a/packages/autorest.typescript/test/rlcIntegration/generated/headerRest/package.json b/packages/autorest.typescript/test/rlcIntegration/generated/headerRest/package.json
index 81d9e2b5a3..521e4e64dc 100644
--- a/packages/autorest.typescript/test/rlcIntegration/generated/headerRest/package.json
+++ b/packages/autorest.typescript/test/rlcIntegration/generated/headerRest/package.json
@@ -34,7 +34,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -54,8 +53,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tsc && rollup -c 2>&1 && npm run minify && mkdirp ./review && npm run extract-api",
     "minify": "uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js"
   }
diff --git a/packages/autorest.typescript/test/rlcIntegration/generated/httpInfrastructureRest/package.json b/packages/autorest.typescript/test/rlcIntegration/generated/httpInfrastructureRest/package.json
index 4a751e0882..dc5e1c97ca 100644
--- a/packages/autorest.typescript/test/rlcIntegration/generated/httpInfrastructureRest/package.json
+++ b/packages/autorest.typescript/test/rlcIntegration/generated/httpInfrastructureRest/package.json
@@ -52,7 +52,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
diff --git a/packages/autorest.typescript/test/rlcIntegration/generated/lroRest/package.json b/packages/autorest.typescript/test/rlcIntegration/generated/lroRest/package.json
index 17ab7e9c7f..41fd6a0852 100644
--- a/packages/autorest.typescript/test/rlcIntegration/generated/lroRest/package.json
+++ b/packages/autorest.typescript/test/rlcIntegration/generated/lroRest/package.json
@@ -36,7 +36,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -56,8 +55,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tsc && rollup -c 2>&1 && npm run minify && mkdirp ./review && npm run extract-api",
     "minify": "uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js"
   }
diff --git a/packages/autorest.typescript/test/rlcIntegration/generated/mediaTypesRest/package.json b/packages/autorest.typescript/test/rlcIntegration/generated/mediaTypesRest/package.json
index beb613725a..306cede378 100644
--- a/packages/autorest.typescript/test/rlcIntegration/generated/mediaTypesRest/package.json
+++ b/packages/autorest.typescript/test/rlcIntegration/generated/mediaTypesRest/package.json
@@ -34,7 +34,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -54,8 +53,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tsc && rollup -c 2>&1 && npm run minify && mkdirp ./review && npm run extract-api",
     "minify": "uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js"
   }
diff --git a/packages/autorest.typescript/test/rlcIntegration/generated/multipleInheritanceRest/package.json b/packages/autorest.typescript/test/rlcIntegration/generated/multipleInheritanceRest/package.json
index 28a90e860d..04e9b12ed0 100644
--- a/packages/autorest.typescript/test/rlcIntegration/generated/multipleInheritanceRest/package.json
+++ b/packages/autorest.typescript/test/rlcIntegration/generated/multipleInheritanceRest/package.json
@@ -34,7 +34,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -54,8 +53,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tsc && rollup -c 2>&1 && npm run minify && mkdirp ./review && npm run extract-api",
     "minify": "uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js"
   }
diff --git a/packages/autorest.typescript/test/rlcIntegration/generated/multipleUrlParameters/package.json b/packages/autorest.typescript/test/rlcIntegration/generated/multipleUrlParameters/package.json
index a4ab69677c..351ac3c068 100644
--- a/packages/autorest.typescript/test/rlcIntegration/generated/multipleUrlParameters/package.json
+++ b/packages/autorest.typescript/test/rlcIntegration/generated/multipleUrlParameters/package.json
@@ -52,7 +52,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
diff --git a/packages/autorest.typescript/test/rlcIntegration/generated/pagingRest/package.json b/packages/autorest.typescript/test/rlcIntegration/generated/pagingRest/package.json
index fb59f7a3c7..857bb6a9bc 100644
--- a/packages/autorest.typescript/test/rlcIntegration/generated/pagingRest/package.json
+++ b/packages/autorest.typescript/test/rlcIntegration/generated/pagingRest/package.json
@@ -36,7 +36,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -56,8 +55,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tsc && rollup -c 2>&1 && npm run minify && mkdirp ./review && npm run extract-api",
     "minify": "uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js"
   }
diff --git a/packages/autorest.typescript/test/rlcIntegration/generated/securityAADRest/package.json b/packages/autorest.typescript/test/rlcIntegration/generated/securityAADRest/package.json
index 63d2307b3c..aee9ae4feb 100644
--- a/packages/autorest.typescript/test/rlcIntegration/generated/securityAADRest/package.json
+++ b/packages/autorest.typescript/test/rlcIntegration/generated/securityAADRest/package.json
@@ -52,7 +52,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
diff --git a/packages/autorest.typescript/test/rlcIntegration/generated/securityKeyRest/package.json b/packages/autorest.typescript/test/rlcIntegration/generated/securityKeyRest/package.json
index d6c91d7b70..e4c1e43d2e 100644
--- a/packages/autorest.typescript/test/rlcIntegration/generated/securityKeyRest/package.json
+++ b/packages/autorest.typescript/test/rlcIntegration/generated/securityKeyRest/package.json
@@ -52,7 +52,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
diff --git a/packages/autorest.typescript/test/rlcIntegration/generated/urlRest/package.json b/packages/autorest.typescript/test/rlcIntegration/generated/urlRest/package.json
index a92f3b96af..1de3d9c979 100644
--- a/packages/autorest.typescript/test/rlcIntegration/generated/urlRest/package.json
+++ b/packages/autorest.typescript/test/rlcIntegration/generated/urlRest/package.json
@@ -34,7 +34,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -54,8 +53,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tsc && rollup -c 2>&1 && npm run minify && mkdirp ./review && npm run extract-api",
     "minify": "uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js"
   }
diff --git a/packages/autorest.typescript/test/smoke/generated/agrifood-data-plane/package.json b/packages/autorest.typescript/test/smoke/generated/agrifood-data-plane/package.json
index 360552132d..f9485d70ac 100644
--- a/packages/autorest.typescript/test/smoke/generated/agrifood-data-plane/package.json
+++ b/packages/autorest.typescript/test/smoke/generated/agrifood-data-plane/package.json
@@ -36,7 +36,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -81,8 +80,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "karma start --single-run",
     "integration-test:node": "nyc mocha -r esm --require source-map-support/register --timeout 5000000 --full-trace \"dist-esm/test/{,!(browser)/**/}*.spec.js\"",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser",
     "test:node": "npm run clean && npm run build:test && npm run unit-test:node",
     "test": "npm run clean && npm run build:test && npm run unit-test",
diff --git a/packages/autorest.typescript/test/smoke/generated/anomaly-detector-mv-rest/package.json b/packages/autorest.typescript/test/smoke/generated/anomaly-detector-mv-rest/package.json
index 26d03f89d6..1f149795d5 100644
--- a/packages/autorest.typescript/test/smoke/generated/anomaly-detector-mv-rest/package.json
+++ b/packages/autorest.typescript/test/smoke/generated/anomaly-detector-mv-rest/package.json
@@ -34,7 +34,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -54,8 +53,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tsc && rollup -c 2>&1 && npm run minify && mkdirp ./review && npm run extract-api",
     "minify": "uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js"
   }
diff --git a/packages/autorest.typescript/test/smoke/generated/anomaly-detector-rest/package.json b/packages/autorest.typescript/test/smoke/generated/anomaly-detector-rest/package.json
index 9d50ad1f6c..190b01feb5 100644
--- a/packages/autorest.typescript/test/smoke/generated/anomaly-detector-rest/package.json
+++ b/packages/autorest.typescript/test/smoke/generated/anomaly-detector-rest/package.json
@@ -36,7 +36,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -81,8 +80,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "karma start --single-run",
     "integration-test:node": "nyc mocha -r esm --require source-map-support/register --timeout 5000000 --full-trace \"dist-esm/test/{,!(browser)/**/}*.spec.js\"",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser",
     "test:node": "npm run clean && npm run build:test && npm run unit-test:node",
     "test": "npm run clean && npm run build:test && npm run unit-test",
diff --git a/packages/autorest.typescript/test/smoke/generated/purview-administration-rest/package.json b/packages/autorest.typescript/test/smoke/generated/purview-administration-rest/package.json
index c2847f173d..5773a7a8b2 100644
--- a/packages/autorest.typescript/test/smoke/generated/purview-administration-rest/package.json
+++ b/packages/autorest.typescript/test/smoke/generated/purview-administration-rest/package.json
@@ -34,7 +34,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -54,8 +53,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tsc && rollup -c 2>&1 && npm run minify && mkdirp ./review && npm run extract-api",
     "minify": "uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js"
   }
diff --git a/packages/autorest.typescript/test/version-tolerance/generated/rlc-initial/package.json b/packages/autorest.typescript/test/version-tolerance/generated/rlc-initial/package.json
index 330023cda3..c0b11dbf0f 100644
--- a/packages/autorest.typescript/test/version-tolerance/generated/rlc-initial/package.json
+++ b/packages/autorest.typescript/test/version-tolerance/generated/rlc-initial/package.json
@@ -34,7 +34,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -54,8 +53,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tsc && rollup -c 2>&1 && npm run minify && mkdirp ./review && npm run extract-api",
     "minify": "uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js"
   }
diff --git a/packages/autorest.typescript/test/version-tolerance/generated/rlc-updated/package.json b/packages/autorest.typescript/test/version-tolerance/generated/rlc-updated/package.json
index 330023cda3..c0b11dbf0f 100644
--- a/packages/autorest.typescript/test/version-tolerance/generated/rlc-updated/package.json
+++ b/packages/autorest.typescript/test/version-tolerance/generated/rlc-updated/package.json
@@ -34,7 +34,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -54,8 +53,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tsc && rollup -c 2>&1 && npm run minify && mkdirp ./review && npm run extract-api",
     "minify": "uglifyjs -c -m --comments --source-map \"content='./dist/index.js.map'\" -o ./dist/index.min.js ./dist/index.js"
   }
diff --git a/packages/rlc-common/src/metadata/packageJson/buildAzureStandalonePackage.ts b/packages/rlc-common/src/metadata/packageJson/buildAzureStandalonePackage.ts
index 0c1842ed2d..f324e3615e 100644
--- a/packages/rlc-common/src/metadata/packageJson/buildAzureStandalonePackage.ts
+++ b/packages/rlc-common/src/metadata/packageJson/buildAzureStandalonePackage.ts
@@ -82,12 +82,8 @@ function getAzureStandaloneScripts(
   };
   return {
     ...getCommonPackageScripts(config),
-    "check-format":
-      'prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore "src/**/*.ts" "*.{js,json}"  "test/**/*.ts" "samples-dev/**/*.ts"',
     clean:
       "rimraf --glob dist dist-browser dist-esm test-dist temp types *.tgz *.log",
-    format:
-      'prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore "src/**/*.ts" "*.{js,json}"  "test/**/*.ts" "samples-dev/**/*.ts"',
     ...(config.withTests && testScripts),
     ...getCjsScripts(config),
     ...getEsmScripts(config)
diff --git a/packages/rlc-common/src/metadata/packageJson/buildFlavorlessPackage.ts b/packages/rlc-common/src/metadata/packageJson/buildFlavorlessPackage.ts
index 6e6b9132d0..b73f3a331e 100644
--- a/packages/rlc-common/src/metadata/packageJson/buildFlavorlessPackage.ts
+++ b/packages/rlc-common/src/metadata/packageJson/buildFlavorlessPackage.ts
@@ -39,8 +39,6 @@ function getFlavorlessPackageInfo(
 function getFlavorlessScripts(config: PackageCommonInfoConfig) {
   return {
     ...getCommonPackageScripts(config),
-    "check-format":
-      'prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore "src/**/*.ts" "*.{js,json}" ',
     ...getCjsScripts(config),
     ...getEsmScripts(config)
   };
diff --git a/packages/rlc-common/src/metadata/packageJson/packageCommon.ts b/packages/rlc-common/src/metadata/packageJson/packageCommon.ts
index c987ecd005..0078079c06 100644
--- a/packages/rlc-common/src/metadata/packageJson/packageCommon.ts
+++ b/packages/rlc-common/src/metadata/packageJson/packageCommon.ts
@@ -45,7 +45,6 @@ export function getCommonPackageDevDependencies(
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     eslint: "^8.55.0",
-    prettier: "^3.2.5",
     rimraf: "^5.0.5",
     mkdirp: "^3.0.1",
     typescript: "~5.6.2",
diff --git a/packages/rlc-common/test/integration/packageJson.spec.ts b/packages/rlc-common/test/integration/packageJson.spec.ts
index 7f55ed8bef..f8930a208e 100644
--- a/packages/rlc-common/test/integration/packageJson.spec.ts
+++ b/packages/rlc-common/test/integration/packageJson.spec.ts
@@ -761,11 +761,6 @@ describe("Package file generation", () => {
       const packageFileContent = buildPackageFile(model);
       const packageFile = JSON.parse(packageFileContent?.content ?? "{}");
 
-      expect(packageFile.scripts).to.have.property(
-        "check-format",
-        'prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore "src/**/*.ts" "*.{js,json}" '
-      );
-
       expect(packageFile.scripts).to.have.property(
         "build",
         "npm run clean && tshy && npm run extract-api"
@@ -779,11 +774,6 @@ describe("Package file generation", () => {
       const packageFileContent = buildPackageFile(model);
       const packageFile = JSON.parse(packageFileContent?.content ?? "{}");
 
-      expect(packageFile.scripts).to.have.property(
-        "check-format",
-        'prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore "src/**/*.ts" "*.{js,json}" '
-      );
-
       expect(packageFile.scripts).to.have.property(
         "build",
         "npm run clean && tsc && npm run extract-api"
diff --git a/packages/typespec-test/test/NetworkAnalytics.Management/generated/typespec-ts/package.json b/packages/typespec-test/test/NetworkAnalytics.Management/generated/typespec-ts/package.json
index 4dfa38a578..3f04abb4c8 100644
--- a/packages/typespec-test/test/NetworkAnalytics.Management/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/NetworkAnalytics.Management/generated/typespec-ts/package.json
@@ -60,7 +60,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -85,8 +84,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/anomalyDetector/generated/typespec-ts/package.json b/packages/typespec-test/test/anomalyDetector/generated/typespec-ts/package.json
index 16b6187ae1..6399af902e 100644
--- a/packages/typespec-test/test/anomalyDetector/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/anomalyDetector/generated/typespec-ts/package.json
@@ -57,7 +57,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -82,8 +81,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/authoring/generated/typespec-ts/package.json b/packages/typespec-test/test/authoring/generated/typespec-ts/package.json
index d1cafef500..2ef31693ed 100644
--- a/packages/typespec-test/test/authoring/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/authoring/generated/typespec-ts/package.json
@@ -54,7 +54,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -79,8 +78,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/batch_modular/generated/typespec-ts/package.json b/packages/typespec-test/test/batch_modular/generated/typespec-ts/package.json
index 2df7350058..3ceef7d67a 100644
--- a/packages/typespec-test/test/batch_modular/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/batch_modular/generated/typespec-ts/package.json
@@ -55,7 +55,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -80,8 +79,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/chatApi_modular/generated/typespec-ts/package.json b/packages/typespec-test/test/chatApi_modular/generated/typespec-ts/package.json
index 2ceff15b98..3f49c97139 100644
--- a/packages/typespec-test/test/chatApi_modular/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/chatApi_modular/generated/typespec-ts/package.json
@@ -55,7 +55,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -80,8 +79,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/confidentialLedger/generated/typespec-ts/package.json b/packages/typespec-test/test/confidentialLedger/generated/typespec-ts/package.json
index 306ba4298d..50d7b90f00 100644
--- a/packages/typespec-test/test/confidentialLedger/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/confidentialLedger/generated/typespec-ts/package.json
@@ -52,7 +52,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -64,8 +63,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tshy && npm run extract-api"
   },
   "exports": {
diff --git a/packages/typespec-test/test/contentsafety_modular/generated/typespec-ts/package.json b/packages/typespec-test/test/contentsafety_modular/generated/typespec-ts/package.json
index 6eddc907ca..e6343d7165 100644
--- a/packages/typespec-test/test/contentsafety_modular/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/contentsafety_modular/generated/typespec-ts/package.json
@@ -55,7 +55,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -67,8 +66,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tshy && npm run extract-api"
   },
   "exports": {
diff --git a/packages/typespec-test/test/contoso/generated/typespec-ts/package.json b/packages/typespec-test/test/contoso/generated/typespec-ts/package.json
index 1dcdd7ca43..c3927d8178 100644
--- a/packages/typespec-test/test/contoso/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/contoso/generated/typespec-ts/package.json
@@ -54,7 +54,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -79,8 +78,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/customWrapper/generated/typespec-ts/package.json b/packages/typespec-test/test/customWrapper/generated/typespec-ts/package.json
index 696619b231..f5fb0df5df 100644
--- a/packages/typespec-test/test/customWrapper/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/customWrapper/generated/typespec-ts/package.json
@@ -52,7 +52,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -77,8 +76,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/eventgrid_modular/generated/typespec-ts/package.json b/packages/typespec-test/test/eventgrid_modular/generated/typespec-ts/package.json
index 27bbc22967..fbe3719f5a 100644
--- a/packages/typespec-test/test/eventgrid_modular/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/eventgrid_modular/generated/typespec-ts/package.json
@@ -55,7 +55,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -80,8 +79,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/faceai/generated/typespec-ts/package.json b/packages/typespec-test/test/faceai/generated/typespec-ts/package.json
index 105847bc97..e1f000e9c8 100644
--- a/packages/typespec-test/test/faceai/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/faceai/generated/typespec-ts/package.json
@@ -54,7 +54,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -79,8 +78,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/healthInsights_radiologyinsights/generated/typespec-ts/package.json b/packages/typespec-test/test/healthInsights_radiologyinsights/generated/typespec-ts/package.json
index 63fac3daad..24be1f2249 100644
--- a/packages/typespec-test/test/healthInsights_radiologyinsights/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/healthInsights_radiologyinsights/generated/typespec-ts/package.json
@@ -54,7 +54,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -79,8 +78,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/healthInsights_trialmatcher/generated/typespec-ts/package.json b/packages/typespec-test/test/healthInsights_trialmatcher/generated/typespec-ts/package.json
index 765560d427..35702c8ffb 100644
--- a/packages/typespec-test/test/healthInsights_trialmatcher/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/healthInsights_trialmatcher/generated/typespec-ts/package.json
@@ -54,7 +54,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -79,8 +78,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/hierarchy_generic/generated/typespec-ts/package.json b/packages/typespec-test/test/hierarchy_generic/generated/typespec-ts/package.json
index b33c6bd173..d8baa209ea 100644
--- a/packages/typespec-test/test/hierarchy_generic/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/hierarchy_generic/generated/typespec-ts/package.json
@@ -59,7 +59,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -84,8 +83,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/loadTest/generated/typespec-ts/package.json b/packages/typespec-test/test/loadTest/generated/typespec-ts/package.json
index b1205b0688..d4a9e44e28 100644
--- a/packages/typespec-test/test/loadTest/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/loadTest/generated/typespec-ts/package.json
@@ -54,7 +54,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -79,8 +78,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/loadtesting_modular/generated/typespec-ts/package.json b/packages/typespec-test/test/loadtesting_modular/generated/typespec-ts/package.json
index 10570a4fb9..6cb847e5bf 100644
--- a/packages/typespec-test/test/loadtesting_modular/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/loadtesting_modular/generated/typespec-ts/package.json
@@ -65,7 +65,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -90,8 +89,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/openai/generated/typespec-ts/package.json b/packages/typespec-test/test/openai/generated/typespec-ts/package.json
index 15104548e4..27bd5a4c31 100644
--- a/packages/typespec-test/test/openai/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/openai/generated/typespec-ts/package.json
@@ -54,7 +54,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -79,8 +78,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/openai_generic/generated/typespec-ts/package.json b/packages/typespec-test/test/openai_generic/generated/typespec-ts/package.json
index 746b8f3141..5203902d5b 100644
--- a/packages/typespec-test/test/openai_generic/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/openai_generic/generated/typespec-ts/package.json
@@ -67,7 +67,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -92,8 +91,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/openai_modular/generated/typespec-ts/package.json b/packages/typespec-test/test/openai_modular/generated/typespec-ts/package.json
index bf9591b430..33775d14fd 100644
--- a/packages/typespec-test/test/openai_modular/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/openai_modular/generated/typespec-ts/package.json
@@ -55,7 +55,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -80,8 +79,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/openai_non_branded/generated/typespec-ts/package.json b/packages/typespec-test/test/openai_non_branded/generated/typespec-ts/package.json
index 88351836ca..1409040b6d 100644
--- a/packages/typespec-test/test/openai_non_branded/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/openai_non_branded/generated/typespec-ts/package.json
@@ -43,14 +43,12 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\" ",
     "build": "npm run clean && tshy && npm run extract-api"
   },
   "devDependencies": {
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
diff --git a/packages/typespec-test/test/overloads_modular/generated/typespec-ts/package.json b/packages/typespec-test/test/overloads_modular/generated/typespec-ts/package.json
index 83e8158d3f..248c736149 100644
--- a/packages/typespec-test/test/overloads_modular/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/overloads_modular/generated/typespec-ts/package.json
@@ -56,7 +56,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -81,8 +80,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/parametrizedHost/generated/typespec-ts/package.json b/packages/typespec-test/test/parametrizedHost/generated/typespec-ts/package.json
index 7001a8c844..619c4faa1b 100644
--- a/packages/typespec-test/test/parametrizedHost/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/parametrizedHost/generated/typespec-ts/package.json
@@ -56,7 +56,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -68,8 +67,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tshy && npm run extract-api"
   },
   "exports": {
diff --git a/packages/typespec-test/test/schemaRegistry/generated/typespec-ts/package.json b/packages/typespec-test/test/schemaRegistry/generated/typespec-ts/package.json
index 2a84a11cc6..274f7cd09a 100644
--- a/packages/typespec-test/test/schemaRegistry/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/schemaRegistry/generated/typespec-ts/package.json
@@ -56,7 +56,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -68,8 +67,6 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "build": "npm run clean && tshy && npm run extract-api"
   },
   "exports": {
diff --git a/packages/typespec-test/test/spread/generated/typespec-ts/package.json b/packages/typespec-test/test/spread/generated/typespec-ts/package.json
index 78838dfd2e..92ffb658ac 100644
--- a/packages/typespec-test/test/spread/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/spread/generated/typespec-ts/package.json
@@ -56,7 +56,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -81,8 +80,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/todo_non_branded/generated/typespec-ts/package.json b/packages/typespec-test/test/todo_non_branded/generated/typespec-ts/package.json
index b6bdd40002..7b83b6fbe9 100644
--- a/packages/typespec-test/test/todo_non_branded/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/todo_non_branded/generated/typespec-ts/package.json
@@ -29,14 +29,12 @@
     "pack": "npm pack 2>&1",
     "lint": "eslint package.json api-extractor.json src",
     "lint:fix": "eslint package.json api-extractor.json src --fix --fix-type [problem,suggestion]",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\" ",
     "build": "npm run clean && tshy && npm run extract-api"
   },
   "devDependencies": {
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
diff --git a/packages/typespec-test/test/translator/generated/typespec-ts/package.json b/packages/typespec-test/test/translator/generated/typespec-ts/package.json
index 6273ced05d..fe59bbda13 100644
--- a/packages/typespec-test/test/translator/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/translator/generated/typespec-ts/package.json
@@ -52,7 +52,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -77,8 +76,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",
diff --git a/packages/typespec-test/test/widget_dpg/generated/typespec-ts/package.json b/packages/typespec-test/test/widget_dpg/generated/typespec-ts/package.json
index a0736f77c9..659ff9f78d 100644
--- a/packages/typespec-test/test/widget_dpg/generated/typespec-ts/package.json
+++ b/packages/typespec-test/test/widget_dpg/generated/typespec-ts/package.json
@@ -59,7 +59,6 @@
     "@microsoft/api-extractor": "^7.40.3",
     "@types/node": "^18.0.0",
     "eslint": "^8.55.0",
-    "prettier": "^3.2.5",
     "rimraf": "^5.0.5",
     "mkdirp": "^3.0.1",
     "typescript": "~5.6.2",
@@ -84,8 +83,6 @@
     "integration-test": "npm run integration-test:node && npm run integration-test:browser",
     "integration-test:browser": "echo skipped",
     "integration-test:node": "echo skipped",
-    "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
-    "format": "prettier --write --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"*.{js,json}\"  \"test/**/*.ts\" \"samples-dev/**/*.ts\"",
     "test:browser": "npm run clean && npm run build:test && npm run unit-test:browser && npm run integration-test:browser",
     "test:node": "npm run clean && tshy && npm run unit-test:node && npm run integration-test:node",
     "test": "npm run clean && tshy && npm run unit-test:node && npm run unit-test:browser && npm run integration-test",