diff --git a/hls4ml/model/optimizer/passes/move_scales.py b/hls4ml/model/optimizer/passes/move_scales.py
index 7105ee3b66..09723ee228 100644
--- a/hls4ml/model/optimizer/passes/move_scales.py
+++ b/hls4ml/model/optimizer/passes/move_scales.py
@@ -180,7 +180,6 @@ def transform(self, model, node):
             model.insert_node(new_node)
             return True
         else:
-            warnings.warn('Failed to propagate quantization bias down Add node; model probably not suppored.', stacklevel=1)
             return False