diff --git a/roles/backup_server/molecule/default/molecule.yml b/roles/backup_server/molecule/default/molecule.yml
index 76f531cf62986d4bb615c0b12864d9702937f020..5a18b8e7abdd09e19e428a1eb13b8b6eb8733b41 100644
--- a/roles/backup_server/molecule/default/molecule.yml
+++ b/roles/backup_server/molecule/default/molecule.yml
@@ -14,34 +14,6 @@ lint:
 
 platforms:
 
-  - name: parameters-mandatory-bullseye
-    groups:
-      - parameters-mandatory
-    box: debian/bullseye64
-    memory: 256
-    cpus: 1
-    provider_raw_config_args:
-      - "customize ['modifyvm', :id, '--paravirtprovider', 'minimal']"
-    interfaces:
-      - auto_config: true
-        ip: 192.168.56.21
-        network_name: private_network
-        type: static
-
-  - name: parameters-optional-bullseye
-    groups:
-      - parameters-optional
-    box: debian/bullseye64
-    memory: 256
-    cpus: 1
-    provider_raw_config_args:
-      - "customize ['modifyvm', :id, '--paravirtprovider', 'minimal']"
-    interfaces:
-      - auto_config: true
-        ip: 192.168.56.22
-        network_name: private_network
-        type: static
-
   - name: parameters-mandatory-bookworm
     groups:
       - parameters-mandatory
diff --git a/roles/backup_server/molecule/default/tests/data/ssh/known_hosts b/roles/backup_server/molecule/default/tests/data/ssh/known_hosts
index 6513ecdb6ebcc90f4f5f143e1294eac40ef144da..0db9986c06519e78bc1a8d5b6ad5290708c4f5c0 100644
--- a/roles/backup_server/molecule/default/tests/data/ssh/known_hosts
+++ b/roles/backup_server/molecule/default/tests/data/ssh/known_hosts
@@ -1,13 +1,3 @@
-# Bullseye
-[192.168.56.21]:2222 ssh-dss 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
-[192.168.56.21]:2222 ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC2SqbwZNanhTMM8wL1iGtNOR7nYbXcCQNbU65crXN43W1tz4GXoyluHEEXs0we7jmZZyow19X89Ve5w8ODL42KRDtNXoN8wjoLwZ1l7iGsrN1oUXJP7i6i9lH/0F+fudFB3Tm53ieBr0MEMdxAQBpk+MCi64G0iuvZeE0sKG5JfSky82ZZ26m5EchORJuiiKObB17EsUGl091S8eiLXIIiQQvg4d9933oAqNCLe0uxbNfJcbMJAdr+m9rYxyVoPXweUm1beb/6/vZQzAf0HL5+Ic/mbLu3z4httCh0dIlCqjRe/8llqF21psIlN8D8hZkzY6WEo7/v9wHAGFTFFFlJ
-[192.168.56.21]:2222 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBLaZb8xcw5PbzQ8Jo8xygcUaI6ziGLs+ZqsAqJSOIou9iN0zSKO9a4ujbeMgIbfZZPB5UWcv1CxNekTZ4tkrAaM=
-[192.168.56.21]:2222 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOQzNj16lZ3ucIJvwnFYzR/vZT3SuWiIVPNOhK5JGlq6
-[192.168.56.22]:2222 ssh-dss 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
-[192.168.56.22]:2222 ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC2SqbwZNanhTMM8wL1iGtNOR7nYbXcCQNbU65crXN43W1tz4GXoyluHEEXs0we7jmZZyow19X89Ve5w8ODL42KRDtNXoN8wjoLwZ1l7iGsrN1oUXJP7i6i9lH/0F+fudFB3Tm53ieBr0MEMdxAQBpk+MCi64G0iuvZeE0sKG5JfSky82ZZ26m5EchORJuiiKObB17EsUGl091S8eiLXIIiQQvg4d9933oAqNCLe0uxbNfJcbMJAdr+m9rYxyVoPXweUm1beb/6/vZQzAf0HL5+Ic/mbLu3z4httCh0dIlCqjRe/8llqF21psIlN8D8hZkzY6WEo7/v9wHAGFTFFFlJ
-[192.168.56.22]:2222 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBLaZb8xcw5PbzQ8Jo8xygcUaI6ziGLs+ZqsAqJSOIou9iN0zSKO9a4ujbeMgIbfZZPB5UWcv1CxNekTZ4tkrAaM=
-[192.168.56.22]:2222 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOQzNj16lZ3ucIJvwnFYzR/vZT3SuWiIVPNOhK5JGlq6
-
 # Bookworm
 [192.168.56.31]:2222 ssh-dss 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
 [192.168.56.31]:2222 ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC2SqbwZNanhTMM8wL1iGtNOR7nYbXcCQNbU65crXN43W1tz4GXoyluHEEXs0we7jmZZyow19X89Ve5w8ODL42KRDtNXoN8wjoLwZ1l7iGsrN1oUXJP7i6i9lH/0F+fudFB3Tm53ieBr0MEMdxAQBpk+MCi64G0iuvZeE0sKG5JfSky82ZZ26m5EchORJuiiKObB17EsUGl091S8eiLXIIiQQvg4d9933oAqNCLe0uxbNfJcbMJAdr+m9rYxyVoPXweUm1beb/6/vZQzAf0HL5+Ic/mbLu3z4httCh0dIlCqjRe/8llqF21psIlN8D8hZkzY6WEo7/v9wHAGFTFFFlJ