diff --git a/src/App/FreeCADInit.py b/src/App/FreeCADInit.py
index 33223c5450..d6a57e6739 100644
--- a/src/App/FreeCADInit.py
+++ b/src/App/FreeCADInit.py
@@ -677,7 +677,6 @@ App.Units.Thou          = App.Units.Quantity('thou')
 App.Units.Yard          = App.Units.Quantity('yd')
 App.Units.Mile          = App.Units.Quantity('mi')
 
-App.Units.MilePerHour   = App.Units.Quantity('mph')
 App.Units.SquareFoot    = App.Units.Quantity('sqft')
 App.Units.CubicFoot     = App.Units.Quantity('cft')