The first connection somehow was not deleted correctly. I disappeared from the wallet list, but still got it's notifications.
Now after deleting and reinstalling Alby go, I only get one notification anymore.
So, keinen fixed, thanks for the hint nostr:nprofile1qqsyv47lazt9h6ycp2fsw270khje5egjgsrdkrupjg27u796g7f5k0spzemhxue69uhk2er9dchxummnw3ezumrpdejz7qgwwaehxw309ahx7uewd3hkctcprdmhxue69uhkummnw3ez6vfwde3x7tnpdenkzmnf9e3k75xqss4 .