diff --git a/applications/utilities/mesh/generation/extrude2DMesh/extrude2DMeshDict b/applications/utilities/mesh/generation/extrude2DMesh/extrude2DMeshDict
index 81ba1ed03d1e3cfce5f1797c5230783062f71fc2..ce30c3e22b72ee4a21ab361c83dea61773c5b031 100644
--- a/applications/utilities/mesh/generation/extrude2DMesh/extrude2DMeshDict
+++ b/applications/utilities/mesh/generation/extrude2DMesh/extrude2DMeshDict
@@ -10,12 +10,6 @@ FoamFile
 {
     version         2.0;
     format          ascii;
-
-    root            "";
-    case            "";
-    instance        "";
-    local           "";
-
     class           dictionary;
     object          extrude2DMeshDict;
 }
diff --git a/tutorials/mesh/foamyHexMesh/blob/system/controlDict b/tutorials/mesh/foamyHexMesh/blob/system/controlDict
index dd9c52edbedce9e4fa212654074abcade198de1a..1d02e002f8ba56cf1b8b55395f5fe663256376aa 100644
--- a/tutorials/mesh/foamyHexMesh/blob/system/controlDict
+++ b/tutorials/mesh/foamyHexMesh/blob/system/controlDict
@@ -10,12 +10,6 @@ FoamFile
 {
     version         2.0;
     format          ascii;
-
-    root            "";
-    case            "";
-    instance        "";
-    local           "";
-
     class           dictionary;
     object          controlDict;
 }
diff --git a/tutorials/mesh/foamyHexMesh/flange/system/controlDict b/tutorials/mesh/foamyHexMesh/flange/system/controlDict
index 3771e506d8a0f0dee3ce85c579300b4fcb36260d..85501f0f5785f8760fa2aabd4f7c892fc4d7a0c9 100644
--- a/tutorials/mesh/foamyHexMesh/flange/system/controlDict
+++ b/tutorials/mesh/foamyHexMesh/flange/system/controlDict
@@ -10,12 +10,6 @@ FoamFile
 {
     version         2.0;
     format          ascii;
-
-    root            "";
-    case            "";
-    instance        "";
-    local           "";
-
     class           dictionary;
     object          controlDict;
 }