diff --git a/.coveragerc b/.coveragerc
index fa0434254d..54cfae6f40 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -17,4 +17,9 @@ omit =
     ./runtime.txt
     ./lite_routing/management/commands/generate_rules_docs.py
 
+[report]
+exclude_lines =
+  pragma: no cover
+  raise NotImplementedError
+
 branch = True