diff --git a/modules/util/util.py b/modules/util/util.py
index 0ccb0c142f8b1b1ed1992b9f3b99f91fb28d300a..6d7871a77963929206c627a78036f3028a841dc6 100644
--- a/modules/util/util.py
+++ b/modules/util/util.py
@@ -414,8 +414,6 @@ def scale(data, param, mean_std_dict):
     data = data.flatten()
 
     mean, std, lo, hi = mean_std_dict.get(param)
-    data -= mean
-    data /= std
 
     data -= lo
     data /= (hi - lo)