diff --git a/pdr_backend/sim/sim_engine.py b/pdr_backend/sim/sim_engine.py
index 0888a4ab3..61a685501 100644
--- a/pdr_backend/sim/sim_engine.py
+++ b/pdr_backend/sim/sim_engine.py
@@ -88,7 +88,6 @@ def run_one_iter(self, test_i: int, mergedohlcv_df: pl.DataFrame):
         predict_feed = self.predict_train_feedset.predict
         train_feeds = self.predict_train_feedset.train_on
 
-        # X, ycont, and x_df are all expressed in % change wrt prev candle
         X, y, _, _ = data_f.create_xy(
             mergedohlcv_df,
             testshift,