diff --git a/packages/class-name-updater/package.json b/packages/class-name-updater/package.json
index 5e21fc29f..edf486fb2 100644
--- a/packages/class-name-updater/package.json
+++ b/packages/class-name-updater/package.json
@@ -16,7 +16,8 @@
   "scripts": {
     "build": "tsc --build --verbose ./tsconfig.json",
     "clean": "rimraf ./dist",
-    "test": "node ./dist/cli.js test --exclude test/largeFile.js"
+    "test": "node ./dist/cli.js test --exclude test/largeFile.js",
+    "test:v6": "node ./dist/cli.js test --exclude test/largeFile.js --pfVersion 6"
   },
   "dependencies": {
     "colors": "^1.4.0",
diff --git a/packages/class-name-updater/src/classNameUpdate.ts b/packages/class-name-updater/src/classNameUpdate.ts
index 3735fe39c..957f79026 100644
--- a/packages/class-name-updater/src/classNameUpdate.ts
+++ b/packages/class-name-updater/src/classNameUpdate.ts
@@ -6,7 +6,6 @@ import { printDiff } from "./printDiff";
 
 export async function classNameUpdate(globTarget: string, makeChange: boolean, fileTypesRegex: RegExp, excludeFiles: string[] = [], pfVersion: number) {
   const acceptedFileTypesRegex = fileTypesRegex || /\.(s?css|less|(t|j)sx?|md)$/;
-  // const changeNeededRegex = /(\b|\$)pf-([cul]|global|theme|color)-/g;
   const previousVersion = pfVersion ? "-v" + (pfVersion - 1) : "";
   const changeNeededRegex = new RegExp(
     "(\\b|\\$)pf" + previousVersion + "-([cul]|global|theme|color)-",