diff --git a/bunfig.toml b/bunfig.toml
deleted file mode 100644
index d20eff3..0000000
--- a/bunfig.toml
+++ /dev/null
@@ -1,2 +0,0 @@
-[test]
-preload = "./happydom.ts"
diff --git a/dist/index-umd-web.js b/dist/index-umd-web.js
index 15e15b3..85f0bdb 100644
--- a/dist/index-umd-web.js
+++ b/dist/index-umd-web.js
@@ -654,7 +654,7 @@
             }
         }
         toUrl() {
-            // /*# sourceMappingURL=${url} */
+            // sourceMappingURL = ${url}
             return `data:application/json,${encodeURIComponent(JSON.stringify(this.toJSON()))}`;
         }
         toJSON() {
diff --git a/dist/index.cjs b/dist/index.cjs
index b2911f1..2463c51 100644
--- a/dist/index.cjs
+++ b/dist/index.cjs
@@ -652,7 +652,7 @@ class SourceMap {
         }
     }
     toUrl() {
-        // /*# sourceMappingURL=${url} */
+        // sourceMappingURL = ${url}
         return `data:application/json,${encodeURIComponent(JSON.stringify(this.toJSON()))}`;
     }
     toJSON() {
diff --git a/dist/lib/renderer/sourcemap/sourcemap.js b/dist/lib/renderer/sourcemap/sourcemap.js
index 89d4455..78aea23 100644
--- a/dist/lib/renderer/sourcemap/sourcemap.js
+++ b/dist/lib/renderer/sourcemap/sourcemap.js
@@ -33,7 +33,7 @@ class SourceMap {
         }
     }
     toUrl() {
-        // /*# sourceMappingURL=${url} */
+        // sourceMappingURL = ${url}
         return `data:application/json,${encodeURIComponent(JSON.stringify(this.toJSON()))}`;
     }
     toJSON() {
diff --git a/happydom.ts b/happydom.ts
deleted file mode 100644
index 9cae201..0000000
--- a/happydom.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-import { GlobalRegistrator } from "@happy-dom/global-registrator";
-
-GlobalRegistrator.register();
\ No newline at end of file
diff --git a/package.json b/package.json
index 33fff09..bb37638 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,8 @@
   "scripts": {
     "build": "rollup -c",
     "test": "web-test-runner \"test/**/*.web.spec.js\" --node-resolve --root-dir=.; mocha --reporter-options='maxDiffSize=1801920' \"test/**/*.node.spec.js\"",
-    "test:cov": "web-test-runner \"test/**/*.web.spec.js\" --node-resolve --root-dir=.  --coverage; c8 --reporter=html --reporter=text --reporter=json-summary mocha --reporter-options='maxDiffSize=1801920' \"test/**/*.spec.js\"",
+    "test:cov": "c8 --reporter=html --reporter=text --reporter=json-summary mocha --reporter-options='maxDiffSize=1801920' \"test/**/*.node.spec.js\"",
+    "test:web-cov": "web-test-runner \"test/**/*.web.spec.js\" --node-resolve --root-dir=.  --coverage",
     "profile": "node --inspect-brk test/inspect.mjs",
     "debug": "web-test-runner \"test/**/*.web.spec.js\" --manual --open --node-resolve --root-dir=."
   },
@@ -43,7 +44,6 @@
   "homepage": "https://github.com/tbela99/css-parser#readme",
   "devDependencies": {
     "@esm-bundle/chai": "^4.3.4-fix.0",
-    "@happy-dom/global-registrator": "^12.8.0",
     "@rollup/plugin-commonjs": "^25.0.4",
     "@rollup/plugin-json": "^6.0.0",
     "@rollup/plugin-node-resolve": "^15.1.0",
diff --git a/src/lib/renderer/sourcemap/sourcemap.ts b/src/lib/renderer/sourcemap/sourcemap.ts
index 6b89df2..09442e5 100644
--- a/src/lib/renderer/sourcemap/sourcemap.ts
+++ b/src/lib/renderer/sourcemap/sourcemap.ts
@@ -53,7 +53,7 @@ export class SourceMap {
 
     toUrl() {
 
-        // /*# sourceMappingURL=${url} */
+        // sourceMappingURL = ${url}
         return `data:application/json,${encodeURIComponent(JSON.stringify(this.toJSON()))}`;
     }