diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d534611bae..440ede7032 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -134,9 +134,6 @@ jobs:
       - run: npm install -g ghost-cli@latest
       - run: npm --no-git-tag-version version minor # We need to artificially bump the minor version to get migrations to run
 
-      - run: git checkout 4.0
-        working-directory: content/themes/casper
-
       - run: zip -r ghost.zip .
 
       - name: Clean Install
@@ -192,9 +189,6 @@ jobs:
       - run: yarn
       - run: grunt master
 
-      - run: git checkout 4.0
-        working-directory: content/themes/casper
-
       - run: echo "ghost_hash=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
       - run: echo "ghost_admin_hash=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
         working-directory: core/client