diff --git a/roles/mail_forwarder/molecule/default/molecule.yml b/roles/mail_forwarder/molecule/default/molecule.yml
index e035f7b6a3aa3c8972c5c9becfa8e0e0a06fe6af..3830c8773311438ee00083209b02a96315ef2400 100644
--- a/roles/mail_forwarder/molecule/default/molecule.yml
+++ b/roles/mail_forwarder/molecule/default/molecule.yml
@@ -49,52 +49,6 @@ platforms:
         type: static
 
 
-  # Buster
-  # ======
-
-  - name: parameters-mandatory-buster
-    groups:
-      - parameters-mandatory
-    box: debian/contrib-buster64
-    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-buster
-    groups:
-      - parameters-optional
-    box: debian/contrib-buster64
-    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-no-incoming-buster
-    groups:
-      - parameters-no-incoming
-    box: debian/contrib-buster64
-    memory: 256
-    cpus: 1
-    provider_raw_config_args:
-      - "customize ['modifyvm', :id, '--paravirtprovider', 'minimal']"
-    interfaces:
-      - auto_config: true
-        ip: 192.168.56.23
-        network_name: private_network
-        type: static
-
-
   # Bullseye
   # ========