diff --git a/src/Mod/BIM/bimcommands/BimLayers.py b/src/Mod/BIM/bimcommands/BimLayers.py
index 27dd6bbb66bd..d2ccc86afcea 100644
--- a/src/Mod/BIM/bimcommands/BimLayers.py
+++ b/src/Mod/BIM/bimcommands/BimLayers.py
@@ -269,12 +269,11 @@ def accept(self):
 
             # transparency
             transparency = self.model.item(row, 6).data(QtCore.Qt.DisplayRole)
-            if transparency:
-                if obj.ViewObject.Transparency != transparency:
-                    if not changed:
-                        FreeCAD.ActiveDocument.openTransaction("Layers change")
-                        changed = True
-                    obj.ViewObject.Transparency = transparency
+            if obj.ViewObject.Transparency != transparency:
+                if not changed:
+                    FreeCAD.ActiveDocument.openTransaction("Layers change")
+                    changed = True
+                obj.ViewObject.Transparency = transparency
 
             # line print color
             color = self.model.item(row, 7).data(QtCore.Qt.UserRole)
diff --git a/src/Mod/Draft/draftguitools/gui_layers.py b/src/Mod/Draft/draftguitools/gui_layers.py
index 0cab3f5a5911..48da636abf61 100644
--- a/src/Mod/Draft/draftguitools/gui_layers.py
+++ b/src/Mod/Draft/draftguitools/gui_layers.py
@@ -235,12 +235,11 @@ def accept(self):
 
             # transparency
             transparency = self.model.item(row,6).data(QtCore.Qt.DisplayRole)
-            if transparency:
-                if vobj.Transparency != transparency:
-                    if not changed:
-                        doc.openTransaction("Layers change")
-                        changed = True
-                    vobj.Transparency = transparency
+            if vobj.Transparency != transparency:
+                if not changed:
+                    doc.openTransaction("Layers change")
+                    changed = True
+                vobj.Transparency = transparency
 
             # line print color
             color = self.model.item(row,7).data(QtCore.Qt.UserRole)