How can i remove general video file detection (mimetypes or associations) from all kind of video files?

[soundofthunder]

@trinitronx

slowness when viewing folders of video files in Dolphin.

This (posted earlier) might still be related. The OP might think so too, considering he was in the same thread when it was originally posted:

KDE Dolphin is very slow at directory navigation after last update to 21.08.1

I commented out all not necessary entries in /etc/fstab except / and /home. Then the speed of navigation in dolphin was very fast! Then I reactivated the mounts one by one, with restarts of the system in between, until the speed was going bad again. With following two entries I could destroy the perfomance of dolphin simply by uncommenting them. No system restart not even any mount/umount action in between. Only editing of fstab did the difference: LABEL=EXT_HD6 /srv/nfs/m/h6 ext4 no…