diff --git a/cd.sh b/cd.sh
index a1b2398..f562f1b 100644
--- a/cd.sh
+++ b/cd.sh
@@ -106,10 +106,6 @@ cd_set_environment_variables () {
             CD_CA_ROOT="/etc/pki/ca-trust/source/anchors"
             CD_CMD_CA="update-ca-trust"
         ;;
-        "${CD_OS_ARCH}")
-            CD_CA_ROOT="/etc/ca-certificates/trust-source/anchors"
-            CD_CMD_CA="update-ca-trust"
-        ;;
         "${CD_OS_ALPINE}"|"${CD_OS_DEBIAN}"|"${CD_OS_UBUNTU}")
             CD_CA_ROOT="/usr/local/share/ca-certificates"
             CD_CMD_CA="update-ca-certificates"
@@ -152,19 +148,6 @@ skip_if_unavailable=False
             CD_PM_HTTPS_PATH="/etc/apk/repositories.d/https"
             CD_PM_HTTPS_TEXT="--no-verify"
         ;;
-        "${CD_OS_ARCH}")
-            CD_CMD_CLEAN="pacman --sync --clean --noconfirm"
-            CD_CMD_INSTALL="pacman --sync --noconfirm"
-            CD_CMD_QUERY="pacman --query"
-            CD_CMD_UPDATE="pacman --sync --refresh"
-            CD_CMD_UPGRADE="pacman --sync --sysupgrade --noconfirm"
-            # TODO
-            CD_PKG_PKG=""
-            CD_PM_CONF_PATH=""
-            CD_PM_CONF_TEXT=""
-            # TODO
-            # TODO
-        ;;
         "${CD_OS_DEBIAN}"|"${CD_OS_UBUNTU}")
             CD_CMD_CLEAN="apt-get clean"
             CD_CMD_INSTALL="apt-get install --assume-yes"
@@ -243,11 +226,6 @@ Dir::Etc::SourceParts \"\";
             CD_PYTHON_PACKAGE="python3"
             CD_PYTHON_PACKAGES="/usr/lib/python3.11/site-packages"
         ;;
-        "${CD_OS_ARCH}")
-            CD_PYTHON_COMMAND="python3.12"
-            CD_PYTHON_PACKAGE="python"
-            CD_PYTHON_PACKAGES="/usr/lib/python3.12/site-packages"
-        ;;
         "${CD_OS_DEBIAN}")
             case "${CD_OS_VERSION}" in
                 "bookworm") CD_PYTHON_COMMAND="python3.11" ;;
diff --git a/readme.md b/readme.md
index f9d0d44..2d9139c 100644
--- a/readme.md
+++ b/readme.md
@@ -5,36 +5,31 @@ from various CA, CI, OCI / OS.
 
 ## Features
 
-* [X] CA certificates
-  * [X] custom
-  * [X] known
-* [ ] Continuous Integration platforms
-  * [X] GitHub → Gitea → ForgeJo
-  * [X] GitLab
-  * [ ] SourceHut
-* [ ] Operating Systems
-  * [X] Alma
-    * [X] 8
-    * [X] 9
-  * [X] Alpine
-    * [X] 3.18
-    * [X] 3.19
-  * [ ] Arch
-    * [ ] 20231112
-    * [ ] 20240101
-  * [X] Debian
-    * [X] Bookworm
-    * [X] Bullseye
-  * [X] Rocky
-    * [X] 8
-    * [X] 9
-  * [X] Ubuntu
-    * [X] Mantic
-    * [X] Noble
-* [X] Python
-  * [X] 3.9 (Debian Bullseye)
-  * [X] 3.11 (Alma, Alpine, Debian Bookworm, Rocky, Ubuntu Mantic)
-  * [X] 3.12 (Arch, Ubuntu Noble)
+* [ ] support
+    * [X] package repositories mirror
+      * [X] custom CA certificates
+      * [X] known CA certificates
+    * [ ] Operating Systems
+      * [X] Alma
+        * [X] 8
+        * [X] 9
+      * [X] Alpine
+        * [X] 3.18
+        * [X] 3.19
+      * [ ] Arch
+      * [X] Debian
+        * [X] Bookworm
+        * [X] Bullseye
+      * [X] Rocky
+        * [X] 8
+        * [X] 9
+      * [X] Ubuntu
+        * [X] Mantic
+        * [X] Noble
+    * [ ] Continuous Integration platforms
+      * [X] GitHub → Gitea → ForgeJo
+      * [X] GitLab
+      * [ ] SourceHut
 
 ## How
 
@@ -44,7 +39,6 @@ from various CA, CI, OCI / OS.
 | CD_DNS        | Space separated servers |
 | CD_URL_ALMA   | Alma repository URL     |
 | CD_URL_ALPINE | Alpine repository URL   |
-| CD_URL_ARCH   | Arch repository URL     |
 | CD_URL_DEBIAN | Debian repository URL   |
 | CD_URL_ROCKY  | Rocky repository URL    |
 | CD_URL_UBUNTU | Ubuntu repository URL   |