diff --git a/CurvedArray.py b/CurvedArray.py
index e5ffff0..65538d3 100644
--- a/CurvedArray.py
+++ b/CurvedArray.py
@@ -208,8 +208,6 @@ def onChanged(self, fp, prop):
                 if outOfBounds:
                     FreeCAD.Console.PrintWarning("Some positions are out of bounds, should all be between 0.0 and 1.0, inclusive\n")
 
-            self.execute(fp)
-
 #background compatibility
 CurvedArrayWorker = CurvedArray
 
diff --git a/CurvedPathArray.py b/CurvedPathArray.py
index 37c2d3f..d7746aa 100644
--- a/CurvedPathArray.py
+++ b/CurvedPathArray.py
@@ -188,9 +188,6 @@ def onChanged(self, fp, prop):
                 return 
         CurvedShapes.addObjectProperty(obj,"App::PropertyInteger", "LoftMaxDegree", "CurvedPathArray",   "Max Degree for Surface or Solid", init_val=5) # backwards compatibility - this upgrades older documents
             
-        if prop in proplist:      
-            self.execute(fp)
-
 #background compatibility
 CurvedPathArrayWorker = CurvedPathArray
 
diff --git a/CurvedSegment.py b/CurvedSegment.py
index 98e9688..f014bf3 100644
--- a/CurvedSegment.py
+++ b/CurvedSegment.py
@@ -107,9 +107,6 @@ def onChanged(self, fp, prop):
             if not hasattr(fp, p):
                 return
         CurvedShapes.addObjectProperty(fp,"App::PropertyInteger", "LoftMaxDegree", "CurvedSegment",   "Max Degree for Surface or Solid", init_val=5) # backwards compatibility - this upgrades older documents
-        if prop in proplist:      
-            self.execute(fp)
-            
             
     def makeRibs(self, fp):
         interpolate = False
diff --git a/InterpolatedMiddle.py b/InterpolatedMiddle.py
index b2d34fb..404d34e 100644
--- a/InterpolatedMiddle.py
+++ b/InterpolatedMiddle.py
@@ -75,10 +75,6 @@ def onChanged(self, fp, prop):
                 return
         CurvedShapes.addObjectProperty(fp,"App::PropertyInteger", "LoftMaxDegree", "InterpolatedMiddle",   "Max Degree for Surface or Solid", init_val=5) # backwards compatibility - this upgrades older documents)
          
-        if prop in proplist:  
-            self.execute(fp)
-                      
-            
     def makeRibs(self, fp):
         interpolate = False
         if len(fp.Shape1.Shape.Edges) != len(fp.Shape2.Shape.Edges):
diff --git a/NotchConnector.py b/NotchConnector.py
index ec41199..2285b2f 100644
--- a/NotchConnector.py
+++ b/NotchConnector.py
@@ -33,14 +33,10 @@ def __init__(self,
         
     def onChanged(self, fp, prop):
         proplist = ["Base", "Tools", "CutDirection", "ShiftLength"]
-        if prop in proplist:      
-            self.execute(fp)
             
         if prop == "CutDepth" and fp.CutDirection != Vector(0.0,0.0,0.0):
             cdep = 100 - abs(fp.CutDepth)
             fp.CutDirection = fp.CutDirection.normalize() * cdep / 50
-            self.execute(fp)
-            
             
     def execute(self, fp):
         if not fp.Base or not fp.Tools:
diff --git a/SurfaceCut.py b/SurfaceCut.py
index e476c71..e530c09 100644
--- a/SurfaceCut.py
+++ b/SurfaceCut.py
@@ -37,8 +37,6 @@ def makeFace(self, fp):
      
     def onChanged(self, fp, prop):
         props = ["Surfaces", "Position", "Normal", "Simplify"]
-        if prop in props:
-            self.execute(fp)  
             
         if prop == "Face":
             if fp.Face == True: