diff --git a/.gitea/workflows/deploy.yaml b/.gitea/workflows/deploy.yaml
index efb7f08..bfbe129 100644
--- a/.gitea/workflows/deploy.yaml
+++ b/.gitea/workflows/deploy.yaml
@@ -26,4 +26,5 @@ jobs:
       - name: Remove SSH key
         if: always()
         run: |
+          test -f ssh-key && chmod 600 ssh-key
           test -f ssh-key && shred ssh-key
diff --git a/build/build-article.sh b/build/build-article.sh
index 8952aa2..006678e 100755
--- a/build/build-article.sh
+++ b/build/build-article.sh
@@ -23,7 +23,5 @@ cp "$TEX_FILE" "$TEX_BUILD"
 pushd "${TEX_BUILD}"
 pdflatex "$(basename "$TEX_FILE")" > /dev/null
 popd
-ls -al "$TEX_BUILD"
-ls -al "$TEX_BUILD/$(basename "${TEX_FILE%.tex}.pdf")"
 cp "$TEX_BUILD/$(basename "${TEX_FILE%.tex}.pdf")" "$(dirname "$TEX_FILE")"
 rm "$TEX_FILE"