GPO 802.1X Wireless user added known networks unable to remove

We have added a GPO for the 802.1X Wireless with a certificate, but now users are unable to remove added known networks

As shown in the picture you see 6 known Networks
The first 3 are added by GPO
and the other 3 by the user

When the user select Forget for it grays out and does not disapears, but stay in the list.
When we disable the GPO it is possible to remove
Ive added the setting of the GPO