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How can I disble the forget button, like when you disable private browsing?

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I just want to disable the forget button so that no history may be erased. Hopefully in the same manner in which I've disabled private browsing. How can I do this?

I just want to disable the forget button so that no history may be erased. Hopefully in the same manner in which I've disabled private browsing. How can I do this?

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How have you disabled Private Browsing?

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There's an add-on I downloaded that disables deleting your history and opening the private browser

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...which will be easily circumventable by pressing the shift-key while firefox is launching and going into safemode. there will be no reliable way to prevent users from clearing their history in firefox.

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As philipp mentioned, the Disable Private Browsing extension is easily overriden by opening Firefox in the SafeMode.

I helped RichieB the developer of Disable Private Browsing do beta testing was it was ready for users. The Add-on approval team didn't like one aspect of that extension (hiding the extension from the Addons window so users wouldn't even know that it was installed - only showed when in SafeMode) and RichieB had to remove that feature before they would allow DPB on the Addons website. They made a new "rule" about not hiding an extension in the UI after seeing that extension.

There is a Bug report (#1269296) that was filed in May 2016 that requested a feature to remove the Forget button. There was mention of adding a WebExtenbsions API; other comments mentions it being made part of an "enterprise policy" which isn't in the current initiative for Web Extensions. And a few developers mentioned that they "didn't see the point" in adding that type of feature to Firefox. Hasn't been any progress towards making a decision about that feature; it will probably get a WONTFIX category.

All I can suggest is to move it into Additional Tools & Features via Customize or hide it via userChrome.css rules. http://kb.mozillazine.org/UserChrome.css Sorry, I don't know the code that is needed to hide that button.