Can't remove old shell extensions

[Mikael Norlén <mickenorlen gmail com>]

I returned to the gnome shell just today (installed the OS from scratch again). When i logged in to my old online extension account i found everything in the list as it was in the previous OS.

However none of the extensions in the list are actually currently installed, also many are outdated and so not reinstallable either.

So now I just want to remove them from the list... But this can't be done with the remove button and not in gnome-tweak-tool either, it's just greyed out. Suggestions?