diff --git a/.github/workflows/Pharo11CI.yml b/.github/workflows/Pharo11CI.yml
deleted file mode 100644
index fca7fc0..0000000
--- a/.github/workflows/Pharo11CI.yml
+++ /dev/null
@@ -1,29 +0,0 @@
-name: 'Pharo 11 CI'
-
-env: 
-  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-on:
-  push:
-    branches:
-      - 'main'
-  pull_request:
-    types: [assigned, opened, synchronize, reopened]
-
-jobs:
-  build:
-    strategy:
-      matrix:
-        os: [ ubuntu-latest, macos-latest, windows-latest ]
-        smalltalk: [ Pharo64-11 ]
-    runs-on: ${{ matrix.os }}
-    name: ${{ matrix.smalltalk }} on ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v3
-      - uses: hpi-swa/setup-smalltalkCI@v1
-        with:
-          smalltalk-image: ${{ matrix.smalltalk }}
-      - name: Load in New Image and Run Tests
-        run: smalltalkci -s ${{ matrix.smalltalk }} ${{ matrix.ston }}
-        shell: bash
-        timeout-minutes: 30
diff --git a/.github/workflows/Pharo12CI.yml b/.github/workflows/Pharo12CI.yml
deleted file mode 100644
index f9535e2..0000000
--- a/.github/workflows/Pharo12CI.yml
+++ /dev/null
@@ -1,31 +0,0 @@
-name: 'Pharo 12 CI'
-
-env: 
-  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-on:
-  push:
-    branches:
-      - 'main'
-  pull_request:
-    types: [assigned, opened, synchronize, reopened]
-  schedule:
-    - cron:  '0 12 * * 0'
-
-jobs:
-  build:
-    strategy:
-      matrix:
-        os: [ ubuntu-latest, macos-latest, windows-latest ]
-        smalltalk: [ Pharo64-12 ]
-    runs-on: ${{ matrix.os }}
-    name: ${{ matrix.smalltalk }} on ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v3
-      - uses: hpi-swa/setup-smalltalkCI@v1
-        with:
-          smalltalk-image: ${{ matrix.smalltalk }}
-      - name: Load in New Image and Run Tests
-        run: smalltalkci -s ${{ matrix.smalltalk }} ${{ matrix.ston }}
-        shell: bash
-        timeout-minutes: 30
diff --git a/.github/workflows/Tests.yml b/.github/workflows/Tests.yml
index 1b2bd16..f3e1702 100644
--- a/.github/workflows/Tests.yml
+++ b/.github/workflows/Tests.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest, macos-latest, windows-latest ]
-        smalltalk: [ Pharo64-11, Pharo64-12 ]
+        smalltalk: [ Pharo64-11 ]
     runs-on: ${{ matrix.os }}
     name: ${{ matrix.smalltalk }} on ${{ matrix.os }}
     steps: