diff --git a/tutorials/multiphase/reactingTwoPhaseEulerFoam/RAS/bubbleColumn/constant/momentumTransport.air b/tutorials/multiphase/reactingTwoPhaseEulerFoam/RAS/bubbleColumn/constant/momentumTransport.air
index 003dc98abc..bf6c646b85 100644
--- a/tutorials/multiphase/reactingTwoPhaseEulerFoam/RAS/bubbleColumn/constant/momentumTransport.air
+++ b/tutorials/multiphase/reactingTwoPhaseEulerFoam/RAS/bubbleColumn/constant/momentumTransport.air
@@ -23,11 +23,6 @@ RAS
 
     turbulence      on;
     printCoeffs     on;
-
-    mixtureKEpsilonCoeffs
-    {
-        alphap      0.3;
-    }
 }
 
 // ************************************************************************* //
diff --git a/tutorials/multiphase/reactingTwoPhaseEulerFoam/RAS/bubbleColumn/constant/momentumTransport.water b/tutorials/multiphase/reactingTwoPhaseEulerFoam/RAS/bubbleColumn/constant/momentumTransport.water
index d76bfcb818..f524d54e6f 100644
--- a/tutorials/multiphase/reactingTwoPhaseEulerFoam/RAS/bubbleColumn/constant/momentumTransport.water
+++ b/tutorials/multiphase/reactingTwoPhaseEulerFoam/RAS/bubbleColumn/constant/momentumTransport.water
@@ -23,11 +23,6 @@ RAS
 
     turbulence      on;
     printCoeffs     on;
-
-    mixtureKEpsilonCoeffs
-    {
-        alphap      0.3;
-    }
 }
 
 // ************************************************************************* //