diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index ec7e8a978e..2661cba8c6 100644
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -32,11 +32,7 @@ def CommonChecks(input_api, output_api):
       # Return right away because it needs to be fixed first.
       return output
 
-  # TODO(dpranke): uncomment and enable :).
-  #
-  # output.extend(input_api.canned_checks.CheckOwners(
-  #     input_api,
-  #     output_api))
+  output.extend(input_api.canned_checks.CheckOwners(input_api, output_api))
 
   output.extend(input_api.canned_checks.RunPythonUnitTests(
       input_api,