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Today I tried to use profiler.firefox.com which is some webapp that Mozilla makes to help you profile webpages in Firefox.

I have a simple webpage I wanted to profile which just has a small script and almost no html. I captured a profile and then in the profiler UI if I click the Firefox 78 tab a the top it shows I have a bunch of extensions installed.

enter image description here

I never installed most of these extensions. I never installed a Wikipedia extension, nor Bing, nor Amazon, nor eBay, nor DuckDuckGo.

Checking the adds-on UI they don't show up there

enter image description here

How do I get rid of these extensions?

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I never installed a Wikipedia, Bing, Amazon, eBay, or DuckDuckGo extension

How do I get rid of these extensions?

They are not extensions they are Search Engines. They are not being classified correctly by the profiler.

To remove them:

  1. Open the Search panel in Firefox Options using one of these methods:

    • Click the menu button and select Options. In the Options tab that opens, click on Search in the left pane.

    • If you added the optional Search bar, click the magnifying glass on the Search bar and then click Change Search Settings.

  2. Under One-click search engines, click on the search engine you want to remove.

    enter image description here

  3. Click the Remove button to take it off your list.

Source Add or remove a search engine in Firefox | Firefox Help

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  • didn't work. I removed them as you show. They no longer show up in settings. They still show up in the profiler (yes, I quit firefox completely, checked they aren't listed in settings, then ran the profiler again). – gman Aug 4 at 11:29
  • Then profiler.firefox.com is broken ... – DavidPostill Aug 4 at 11:30
  • or they didn't really get uninstalled and are just marked as hidden/disabled. i mean come on!, the profiler, written by mozilla, is just asking the browser "what do you have installed?" and the browser is reporting what's installed. How is that a bug in profiler.firefox.com? – gman Aug 4 at 11:31
  • I'm seeing the same list, and I've had amazon and ebay at least disabled forever... so yeah they're just sitting there "hidden", is my conclusion. – sitaram Aug 8 at 5:23

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