'remove' only works for user added apps to the list. i.e. when you use the 'use custom command' field. and I think this behavior is not going to change.
-- Remove is grayed out for many entries in open with application https://bugs.launchpad.net/bugs/648959 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to nautilus in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs