diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index ecf0ce9..5f7a1f3 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -101,15 +101,10 @@ jobs:
 
       - run: |
           echo "# System Diff" >> $GITHUB_STEP_SUMMARY
-          nix store diff-closures ./current ./updated | tee -a $GITHUB_STEP_SUMMARY
+          # TODO: deal with store diff-closures ansi outputs...
+          nix store diff-closures ./current ./updated | tee -a $GITHUB_STEP_SUMMARY summary.md
       - run: df -h
 
-      # is this necessary?
-
-      - run: echo $GITHUB_STEP_SUMMARY
-      - run: cat $GITHUB_STEP_SUMMARY > summary.md
-      - run: cat summary.md
-
       - uses: actions/upload-artifact@v4
         with:
           name: summary