diff --git a/docs/rolereference.rst b/docs/rolereference.rst
index 389949139097710b4a17ca19e19814bc89a5654d..cb078237c84bb4c31db14a624585a4df20edf83e 100644
--- a/docs/rolereference.rst
+++ b/docs/rolereference.rst
@@ -1389,7 +1389,6 @@ Distribution compatibility
 
 Role is compatible with the following distributions:
 
-- Debian 10 (Buster)
 - Debian 11 (Bullseye)
 
 
diff --git a/roles/mail_forwarder/meta/main.yml b/roles/mail_forwarder/meta/main.yml
index 51a0b88a39a5355914943024de095353f3deaf98..4da4737ce237a771d9ea10ae01362cc1e96d967a 100644
--- a/roles/mail_forwarder/meta/main.yml
+++ b/roles/mail_forwarder/meta/main.yml
@@ -11,5 +11,4 @@ galaxy_info:
   platforms:
     - name: Debian
       versions:
-        - 10
         - 11
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
   # ========
 
diff --git a/roles/mail_forwarder/molecule/default/prepare.yml b/roles/mail_forwarder/molecule/default/prepare.yml
index 45e4b7010f48a0e852c2d646b6300c598c100169..59708adff7853b2eb5ee5859b81839d36d2f00cc 100644
--- a/roles/mail_forwarder/molecule/default/prepare.yml
+++ b/roles/mail_forwarder/molecule/default/prepare.yml
@@ -66,9 +66,6 @@
       with_dict:
         192.168.56.11: "mail-server domain1"
         192.168.56.12: "client1"
-        192.168.56.21: "parameters-mandatory-buster"
-        192.168.56.22: "parameters-optional-buster"
-        192.168.56.23: "parameters-no-incoming-buster"
         192.168.56.31: "parameters-mandatory-bullseye"
         192.168.56.32: "parameters-optional-bullseye"
         192.168.56.33: "parameters-no-incoming-bullseye"