diff --git a/tikreg/models.py b/tikreg/models.py
index 9595a14..403f27b 100644
--- a/tikreg/models.py
+++ b/tikreg/models.py
@@ -1116,7 +1116,6 @@ def estimate_stem_wmvnp(features_train,
     '''
     '''
     start_time = time.time()
-    # population_mean = not keep_cvfolds
 
     delays = temporal_prior.delays
     ndelays = len(delays)