diff --git a/.github/workflows/fairmat-build-pages.yaml b/.github/workflows/fairmat-build-pages.yaml
index 2457f7c017..0321208c0e 100644
--- a/.github/workflows/fairmat-build-pages.yaml
+++ b/.github/workflows/fairmat-build-pages.yaml
@@ -30,7 +30,7 @@ jobs:
     - name: html
       run: make html
     - name: Remove build artifacts
-      run: rm -rf build/manual/build/html/.doctrees
+      run: rm -rf build/manual/build/html/.doctrees build/manual/build/html/_sources
     - name: Checkout fairmat-docs branch
       run: |
         git fetch origin fairmat-docs