diff --git a/python-sphinx.spec b/python-sphinx.spec
index ccfdbd3..6d4896b 100644
--- a/python-sphinx.spec
+++ b/python-sphinx.spec
@@ -268,6 +268,10 @@ export SPHINXBUILD="%{python3} ../sphinx/cmd/build.py"
 make html SPHINXBUILD="$SPHINXBUILD"
 make man SPHINXBUILD="$SPHINXBUILD"
 rm -rf _build/html/.buildinfo
+# Those files are copied to _build/html/_images and loaded to the
+# html pages from there - we can safely remove the duplicated and unused files
+rm -rf _build/html/_static/themes _build/html/_static/tutorial
+rm -f _build/html/_static/more.png _build/html/_static/translation.svg
 mv _build/html ..
 popd