Cleaning Policies From Chrome

1. Open the Terminal app (Go > Utilities > Terminal or press Command+Space and search Terminal)
2. Enter the commands below, hit Enter after each

   defaults write com.google.Chrome HomepageIsNewTabPage -bool false
   defaults write com.google.Chrome NewTabPageLocation -string “https://www.google.com/”
   defaults write com.google.Chrome HomepageLocation -string “https://www.google.com/”
   defaults delete com.google.Chrome DefaultSearchProviderSearchURL
   defaults delete com.google.Chrome DefaultSearchProviderNewTabURL
   defaults delete com.google.Chrome DefaultSearchProviderName
   

3. Restart Chrome

After cleaning the policies from Chrome, go back to chrome://policy and look for any more malicious looking entries. Use the above syntax as a guide to remove them.

As a last resort use the following command. They will remove all Chrome settings:

defaults delete com.google.Chrome