diff --git a/projects/lib/ng-package.json b/projects/lib/ng-package.json
index 862b3dbc..a6d7e035 100644
--- a/projects/lib/ng-package.json
+++ b/projects/lib/ng-package.json
@@ -3,7 +3,6 @@
   "dest": "../../dist/lib",
   "deleteDestPath": false,
   "lib": {
-    "languageLevel": ["dom", "es2017"],
     "entryFile": "src/public_api.ts"
   }
 }