diff --git a/tutorials/mesh/foamyHexMesh/mixerVessel/system/createBafflesDict b/tutorials/mesh/foamyHexMesh/mixerVessel/system/createBafflesDict
index 877d6154c023b1c26284e921d3207e7035368c96..b2dd8749d747699c190855539562608e017c5f46 100644
--- a/tutorials/mesh/foamyHexMesh/mixerVessel/system/createBafflesDict
+++ b/tutorials/mesh/foamyHexMesh/mixerVessel/system/createBafflesDict
@@ -81,15 +81,8 @@ baffles
                 matchTolerance  0.0001;
                 neighbourPatch  AMI2;
                 transform       noOrdering;
+                // Switch to zero-gradient for low weights
                 lowWeightCorrection 0.2;
-                // Note: since imperfect meshing around feature edge make
-                // sure to project both sides onto 'proper' geometry to
-                // avoid errors leading to zero weights
-                surface
-                {
-                    type        triSurfaceMesh;
-                    name        rotating.stl;
-                }
             }
 
             slave
@@ -101,11 +94,6 @@ baffles
                 neighbourPatch  AMI1;
                 transform       noOrdering;
                 lowWeightCorrection 0.2;
-                surface
-                {
-                    type        triSurfaceMesh;
-                    name        rotating.stl;
-                }
             }
         }
     }