diff --git a/tutorials/multiphase/interPhaseChangeFoam/cavitatingBullet/system/snappyHexMeshDict b/tutorials/multiphase/interPhaseChangeFoam/cavitatingBullet/system/snappyHexMeshDict
index 1131e5288c..3cb346dcf3 100644
--- a/tutorials/multiphase/interPhaseChangeFoam/cavitatingBullet/system/snappyHexMeshDict
+++ b/tutorials/multiphase/interPhaseChangeFoam/cavitatingBullet/system/snappyHexMeshDict
@@ -288,9 +288,6 @@ meshQualityControls
     //  Set to 180 to disable.
     maxConcave 80;
 
-    //- Minimum projected area v.s. actual area. Set to -1 to disable.
-    minFlatness 0.5;
-
     //- Minimum pyramid volume. Is absolute volume of cell pyramid.
     //  Set to very negative number (e.g. -1E30) to disable.
     minVol 1e-20;