diff --git a/src/Mod/Path/PathScripts/PathEngraveBase.py b/src/Mod/Path/PathScripts/PathEngraveBase.py
index 5a750f5480..e2a7558b7a 100644
--- a/src/Mod/Path/PathScripts/PathEngraveBase.py
+++ b/src/Mod/Path/PathScripts/PathEngraveBase.py
@@ -57,7 +57,6 @@ class ObjectOp(PathOp.ObjectOp):
                 zValues.append(z)
                 z -= obj.StepDown.Value
         zValues.append(obj.FinalDepth.Value)
-        self.zValues = zValues
         return zValues
 
     def buildpathocc(self, obj, wires, zValues, rel=False):