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Firefox: menu-Button removal guide

  • Oct 09, 2025
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How to remove Firefox 29.0 the menu Button with the three horizontal strokes that we show you in this practice, tips-instructions.

Menu-Button in Firefox

Before the instructions start, you need to have hidden files show. Also , the file extensions should be displayed.
  1. Then in the file Explorer to the following path: C:\Benutzer\\AppData\Roaming\Mozilla\Firefox\Profiles\.
  2. In this directory create a new folder with the name "chrome".
  3. In this folder you will save with the help of desTexteditors any file with the name "userchrome.css".
  4. In this Text file you type: "@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); #PanelUI-button {display: none !important;}" (without the quotation marks).
  5. Close all Firefox Windows and restart the Browser. The menu Button is now gone.
Firefox 29.0: menu-Button removed
The menu Button is not the only new feature in Firefox 29.0, inform you about the further innovations of the Firefox.

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