diff --git a/cd.sh b/cd.sh
index 9b71a22..60e620a 100644
--- a/cd.sh
+++ b/cd.sh
@@ -65,6 +65,7 @@ cd_set_environment_variables () {
                 *) cd_error_os "CD_OS_VERSION" ;;
             esac
             CD_CA_ROOT="/etc/pki/ca-trust/source/anchors"
+            CD_CMD_CLEAN="dnf clean all"
             CD_PYTHON_COMMAND="python3.11"
             CD_PYTHON_PACKAGE="python3.11"
             CD_PYTHON_PACKAGES="/usr/lib64/python3.11/site-packages"
@@ -77,6 +78,7 @@ cd_set_environment_variables () {
                 *) cd_error_os "CD_OS_VERSION" ;;
             esac
             CD_CA_ROOT="/usr/local/share/ca-certificates"
+            CD_CMD_CLEAN="apt-get clean"
             CD_PYTHON_COMMAND="python3"
             CD_PYTHON_PACKAGE="python3"
             CD_PYTHON_PACKAGES="/usr/lib/python3/dist-packages"
@@ -256,6 +258,8 @@ cd_upgrade_packages () {
     esac
 }
 
+# agnostic steps
+
 cd_install_git () {
     cd_step "Install Git"
     cd_install_package "${CD_GIT_PACKAGE}"
@@ -268,14 +272,9 @@ cd_install_python () {
 
 cd_clean_packages_cache () {
     cd_step "Clean packages cache"
-    case "${CD_OS_ID}" in
-        "${CD_OS_ALMA}") dnf clean all || exit ;;
-        "${CD_OS_DEBIAN}") apt-get clean || exit ;;
-    esac
+    ${CD_CMD_CLEAN} || exit
 }
 
-# agnostic steps
-
 cd_install_python_modules () {
 local path
 local repository