diff --git a/package.json b/package.json
index 94e3b7f..36dc098 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,6 @@
   "devDependencies": {
     "@types/tape": "^4.0.0",
     "c8": "^7.0.0",
-    "dtslint": "^4.0.0",
     "prettier": "^2.0.0",
     "rehype": "^12.0.0",
     "remark-cli": "^9.0.0",
@@ -50,7 +49,7 @@
     "tape": "^5.0.0",
     "type-coverage": "^2.0.0",
     "typescript": "^4.0.0",
-    "xo": "^0.39.0"
+    "xo": "^0.42.0"
   },
   "scripts": {
     "build": "rimraf \"*.d.ts\" && tsc && type-coverage",
diff --git a/test.js b/test.js
index 1658c80..210ddbe 100644
--- a/test.js
+++ b/test.js
@@ -495,14 +495,12 @@ test('rehypeDocument()', (t) => {
     rehype()
       .use(function () {
         Object.assign(this, {
-          Parser: () => {
-            return {
-              type: 'element',
-              tagName: 'a',
-              properties: {id: 'a'},
-              children: [{type: 'text', value: 'a'}]
-            }
-          }
+          Parser: () => ({
+            type: 'element',
+            tagName: 'a',
+            properties: {id: 'a'},
+            children: [{type: 'text', value: 'a'}]
+          })
         })
       })
       .use(rehypeDocument)