How to remove Extensions button in Firefox 111 for good

Mozilla introduced a new Unified Extensions button in Firefox 109.  The Extension button, part of Manifest v3, allows managing extension permissions. In Firefox 111, the organization has removed the about: config pref that let users disable the Extensions button. Don’t worry, but still, you can remove it from the Firefox toolbar, here is how that can be done.

There could be plenty of reasons for users to hate the Extensions button, here are some.

Reasons to dislike the Extensions button:

• The extensions button can’t be customized.
• It doesn’t allow pinning extensions to the overflow menu.
• You can’t hide specific extensions in the Extension button.
• You can’t move the Extensions button itself to the Overflow menu.

  

There could be more. Mozilla can’t satisfy everyone running Firefox out there.

But. the firm has well thought out the extensions button UI before shipping with Firefox 109.

But users don’t have control over its placement or customization as of now.

How to remove the Firefox Extensions button from the Toolbar

1. 1. Launch Firefox
   2. Visit about:config in the address bar and press enter
   3. select the checkmark and click “Accept the risk and continue”
   4. Copy and paste the following pref and change its value to true to customize Firefox using CSS code.
      toolkit.legacyUserProfileCustomizations.stylesheets
   5. Click on menu
   6. Select Help > More Troubleshooting information
   7. Click “open folder” for Profile
   8. Right-click and browser for New and select Folder to create a New Folder, name it chrome
      

      

   9. Now, open notepad and paste the following code
      #unified-extensions-button{width: 3px;
padding-inline: 0 !important
}
#unified-extensions-button > .toolbarbutton-icon {
width: 0 !important;
}
   10. Save it as userchrome.css
       
       
   11. Copy and put the file in the chrome folder we created just now.

       

   12. Close and reopen Firefox, Extensions button aka unified Extensions button is gone. You can able to manage installed extensions in the Add-ons manager.
       

This may not be the intuitive solution.

Note: The above method of removing the Firefox Extensions button from the toolbar using CSS is in no way recommended, use and follow at your own risk.

If you can use extensions in Firefox after the above method, well and good, if not, go ahead and reinstate the Extensions button on the toolbar again.

Restore Extensions button in Firefox

1. Open Firefox
2. visit about:support in address bar and press enter
3. Open the Firefox Profile folder using the option provided on the page.
4. Locate and delete the chrome folder and userchrome.css file we created earlier in Profile and restart Firefox. All your extensions will be visible under the Extensions button.

Mozilla is currently working to make the Extensions button more customizable. Let us hope soon you can able to move the Extensions button to the Overflow menu like others.

What’s your take on this? Let us know in the comments below.

Summary: Mozilla added the Extensions button with Firefox 109. The company removed the about: config pref that disables the same in Firefox 111. Unhappy users with the Unified Extensions button are desperate to find a way to get rid of it. In this article, we shared instructions on how to remove the Extensions button from the Firefox toolbar using CSS code.