diff --git a/examples/dfHighSpeedFoam/oneD_reactiveShockTube/system/controlDict b/examples/dfHighSpeedFoam/oneD_reactiveShockTube/system/controlDict
index 7567b959..5a1315d4 100755
--- a/examples/dfHighSpeedFoam/oneD_reactiveShockTube/system/controlDict
+++ b/examples/dfHighSpeedFoam/oneD_reactiveShockTube/system/controlDict
@@ -51,9 +51,4 @@ maxCo           0.1;
 
 maxDeltaT       1;
 
-functions
-{
-    #includeFunc mag(U)
-}
-
 // ************************************************************************* //