diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index dbbfdb6dd5..ca81be881a 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -51,7 +51,13 @@ jobs:
           version: ${{ env.TARPAULIN_VERSION }}
           timeout: 900
           out-type: Xml
-          args: '--avoid-cfg-tarpaulin --no-fail-fast --workspace -e acala-inspect acala acala-cli e2e-tests acala-service acala-primitives acala-rpc acala-runtime runtime-common runtime-integration-tests karura-runtime mandala-runtime'
+          args: '--avoid-cfg-tarpaulin --no-fail-fast --workspace 
+            -e acala-inspect
+            acala acala-cli e2e-tests acala-service 
+            acala-primitives 
+            acala-rpc 
+            acala-runtime runtime-common runtime-integration-tests karura-runtime mandala-runtime
+            --exclude-files */mock.rs */weights.rs'
       - name: Upload to codecov.io
         uses: codecov/codecov-action@v2
         with: