diff --git a/.github/workflows/doc-build.yml b/.github/workflows/doc-build.yml
index 69c7b787c45..d263c1c80b6 100644
--- a/.github/workflows/doc-build.yml
+++ b/.github/workflows/doc-build.yml
@@ -145,7 +145,7 @@ jobs:
 
     - name: compress-docs
       run: |
-        tar --use-compress-program="xz -T0" -cf html-output.tar.xz --directory=doc/_build html
+        tar --use-compress-program="xz -T0" -cf html-output.tar.xz --exclude html/_sources --exclude html/doxygen/xml --directory=doc/_build html
         tar --use-compress-program="xz -T0" -cf api-output.tar.xz --directory=doc/_build html/doxygen/html
         tar --use-compress-program="xz -T0" -cf api-coverage.tar.xz coverage-report