diff --git a/.github/workflows/buildx.yml b/.github/workflows/buildx.yml
index ee496af..d421211 100644
--- a/.github/workflows/buildx.yml
+++ b/.github/workflows/buildx.yml
@@ -15,14 +15,11 @@ jobs:
       fail-fast: false
       matrix:
         docker-file:
-          - path: 20
-            tags: "20 iron"
-            platforms: linux/amd64,linux/arm64,linux/ppc64le,linux/s390x,linux/arm/v7,linux/arm/v6
           - path: 22
-            tags: "22 jod latest"
+            tags: "22 jod"
             platforms: linux/amd64,linux/arm64,linux/s390x,linux/arm/v7,linux/arm/v6
           - path: 24
-            tags: "24 krypton"
+            tags: "24 krypton latest"
             platforms: linux/amd64,linux/arm64,linux/s390x
 
     steps:
diff --git a/.github/workflows/dockerimage.yml b/.github/workflows/dockerimage.yml
index 2318ebf..fa496bb 100644
--- a/.github/workflows/dockerimage.yml
+++ b/.github/workflows/dockerimage.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [20, 22, 24]
+        node-version: [22, 24]
 
     steps:
       - uses: actions/checkout@v6.0.2
diff --git a/.github/workflows/hadolint.yml b/.github/workflows/hadolint.yml
index 4356bfe..69b4b3a 100644
--- a/.github/workflows/hadolint.yml
+++ b/.github/workflows/hadolint.yml
@@ -14,4 +14,4 @@ jobs:
 
       - run: brew install hadolint
 
-      - run: hadolint {20,22,24}/Dockerfile
+      - run: hadolint {22,24}/Dockerfile
diff --git a/20/Dockerfile b/20/Dockerfile
deleted file mode 100644
index 9c51b9f..0000000
--- a/20/Dockerfile
+++ /dev/null
@@ -1,10 +0,0 @@
-FROM node:iron-alpine
-LABEL maintainer="Tim Prüssing <github@timbrust.de>"
-
-ARG REFRESHED_AT
-ENV REFRESHED_AT=$REFRESHED_AT
-
-RUN apk -U upgrade \
-  && apk add --no-cache \
-    git \
-    openssh
diff --git a/README.md b/README.md
index a76e765..2d7d69e 100644
--- a/README.md
+++ b/README.md
@@ -4,12 +4,12 @@
 [![buildx Status](https://github.com/timbru31/docker-node-alpine-git/workflows/buildx/badge.svg)](https://github.com/timbru31/docker-node-alpine-git/actions?query=workflow%3Abuildx)
 [![Lint Dockerfiles](https://github.com/timbru31/docker-node-alpine-git/workflows/Lint%20Dockerfiles/badge.svg)](https://github.com/timbru31/docker-node-alpine-git/actions?query=workflow%3A%22Lint+Dockerfiles%22)
 
-A minimal Dockerfile based on Node.js 20 LTS (Iron), Node.js 22 LTS (Jod) or Node.js 24 LTS (Krypton) alpine with Git and ssh installed.
+A minimal Dockerfile based on Node.js 22 LTS (Jod) or Node.js 24 LTS (Krypton) alpine with Git and ssh installed.
 
 ## What's included
 
-- Node.js 20 LTS (Iron), Node.js 22 LTS (Jod) or Node.js 24 LTS (Krypton)
-- npm 10 (Node.js 20 LTS, Node.js 22 LTS) / 11 (Node.js 24 LTS)
+- Node.js 22 LTS (Jod) or Node.js 24 LTS (Krypton)
+- npm 10 (Node.js 22 LTS) / 11 (Node.js 24 LTS)
 - yarn
 - Git
 - ssh
@@ -22,7 +22,6 @@ These Dockerfiles leverage the new `buildx` functionality and offer the followin
 - linux/arm64
 - linux/arm/v7 (not for Node.js 24 LTS (Krypton) or newer)
 - linux/arm/v6 (not for Node.js 24 LTS (Krypton) or newer)
-- linux/ppc64le (not for Node.js 22 LTS (Jod) or newer)
 - linux/s390x
 
 ---