diff --git a/setup.cfg b/setup.cfg
index 1b1396ee2b..99cb5715f7 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -30,6 +30,7 @@ exclude_lines =
 omit =
     pytorch_lightning/callbacks/pt_callbacks.py
     tests/test_models.py
+    pytorch_lightning/testing_models/lm_test_module.py
 
 [flake8]
 ignore = E731,W504,F401,F841