diff --git a/docs/rolereference.rst b/docs/rolereference.rst
index 4d370df04bc55945d6cdad192a2e36f097b36568..18d8429cd66bc39ef73ee324991803b868192ca0 100644
--- a/docs/rolereference.rst
+++ b/docs/rolereference.rst
@@ -494,7 +494,6 @@ Distribution compatibility
 
 Role is compatible with the following distributions:
 
-- Debian 10 (Buster)
 - Debian 11 (Bullseye)
 
 
diff --git a/roles/common/meta/main.yml b/roles/common/meta/main.yml
index eb25e69fc0971b0aaa1cf7d1a924af95525813e3..c73a6fa97a74eb0ba5e19f7db0c8eaddad2d7527 100644
--- a/roles/common/meta/main.yml
+++ b/roles/common/meta/main.yml
@@ -22,5 +22,4 @@ galaxy_info:
   platforms:
     - name: Debian
       versions:
-        - 10
         - 11
diff --git a/roles/common/molecule/default/molecule.yml b/roles/common/molecule/default/molecule.yml
index 607785e41f9bea17b69a238a8d97ed0d868c2122..63073c4e1ce258359364344926b2c81c53d8d451 100644
--- a/roles/common/molecule/default/molecule.yml
+++ b/roles/common/molecule/default/molecule.yml
@@ -55,34 +55,6 @@ platforms:
         network_name: private_network
         type: static
 
-  - 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-mandatory-bullseye
     groups:
       - parameters-mandatory
diff --git a/roles/common/molecule/default/prepare.yml b/roles/common/molecule/default/prepare.yml
index 0bf7d7ad994059b3db60d82e29df91ccec5a4ef1..26e612e2d4cde04e31db5765783029c4310c79f7 100644
--- a/roles/common/molecule/default/prepare.yml
+++ b/roles/common/molecule/default/prepare.yml
@@ -70,8 +70,6 @@
         mode: 0644
         state: present
       with_dict:
-        192.168.56.21: parameters-mandatory-buster
-        192.168.56.22: parameters-optional-buster
         192.168.56.31: parameters-mandatory-bullseye
         192.168.56.32: parameters-optional-bullseye
 
diff --git a/roles/common/molecule/default/tests/test_default.py b/roles/common/molecule/default/tests/test_default.py
index 457da09a961fc8a1ff8fadacb20020fa57c1bb4f..e9e79a64e361564a811284d68034b1ba29741959 100644
--- a/roles/common/molecule/default/tests/test_default.py
+++ b/roles/common/molecule/default/tests/test_default.py
@@ -339,7 +339,8 @@ def test_pipreqcheck_virtualenv_packages(host, pip_path, expected_packages):
     actual_packages = sorted(packages.stdout.lower().strip().split("\n"))
 
     # This is a dummy distro-provided package ignored by the
-    # pip-tools. pkg-resources on Buster, pkg_resources on Bullseye.
+    # pip-tools. pkg-resources for Python 2.7, pkg_resources for
+    # Python 3.
     if "pkg-resources==0.0.0" in actual_packages:
         actual_packages.remove("pkg-resources==0.0.0")
     if "pkg_resources==0.0.0" in actual_packages:
diff --git a/roles/common/tasks/main.yml b/roles/common/tasks/main.yml
index 0333dba87d8d4fd00c63c84a52d186344cb4a177..bc684a8ae7ade2cd0139dde8562ed8395e398580 100644
--- a/roles/common/tasks/main.yml
+++ b/roles/common/tasks/main.yml
@@ -80,9 +80,8 @@
     owner: root
     group: root
     mode: 0640
-  # Checksums: buster, bullseye
+  # Checksums: bullseye
   when: |
-    root_bashrc_stat.stat.checksum == "b737c392222ddac2271cc8d0d8cc0308d08cf458" or
     root_bashrc_stat.stat.checksum == "1a422a148ad225aa5ba33f8dafd2b7cfcdbd701f"
 
 - name: Install sudo