diff --git a/codecov.yml b/codecov.yml
index df8694f03..aa1aace82 100644
--- a/codecov.yml
+++ b/codecov.yml
@@ -41,3 +41,6 @@ ignore:
   - "mocks/**"
   - "test/**"
   - "testsuite/**"
+  # exclude wrappers around internal functions
+  - "activity/**"
+  - "workflow/**"