diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index fe199a5..885e5de 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -32,6 +32,9 @@ jobs:
       - name: tsc lint
         run: npm run tsc
       
+      - name: search unused code
+        run: npm run prune
+      
       - name: tests
         run: npm run test