[SOLVED] Fedora 31: bad update

Hello,
i messed up the upgrade from 30 to 31 somehow. As a result i can't get rid of the kernel for fc30.
thank you in advance.

Code:
uname -a
Linux dell5000 5.5.16-100.fc30.x86_64 #1 SMP Wed Apr 8 17:09:38 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

root@dell5000 ~]# rpm -qa | grep fc30
kernel-devel-5.5.16-100.fc30.x86_64
kernel-modules-5.5.16-100.fc30.x86_64
libcanberra-gtk3-0.30-19.fc30.x86_64
kernel-5.5.16-100.fc30.x86_64
kernel-modules-extra-5.5.16-100.fc30.x86_64
kernel-core-5.5.16-100.fc30.x86_64
kernel-debug-devel-5.5.16-100.fc30.x86_64
libcanberra-0.30-19.fc30.x86_64

cat /etc/redhat-release
Fedora release 31 (Thirty One)