diff --git a/smtk/session/rgg/operators/EditCore.cxx b/smtk/session/rgg/operators/EditCore.cxx
index 07887305a6e42b97bbb8a8bf5f183b85e95cd7f6..5be4a4355e113dffd94d0f4827db74f7af3011ab 100644
--- a/smtk/session/rgg/operators/EditCore.cxx
+++ b/smtk/session/rgg/operators/EditCore.cxx
@@ -24,6 +24,8 @@
 
 #include "smtk/model/Group.h"
 #include "smtk/model/Instance.h"
+#include "smtk/model/Resource.h"
+#include "smtk/model/Resource.txx"
 #include "smtk/session/rgg/Assembly.h"
 #include "smtk/session/rgg/Duct.h"
 #include "smtk/session/rgg/operators/EditAssembly.h"
diff --git a/smtk/session/rgg/operators/EditPin.cxx b/smtk/session/rgg/operators/EditPin.cxx
index 6e930233bbda273909bbea19a15e8dc3d15e02d1..7dca0b2f4928c02d39f3945337847656c0105cad 100644
--- a/smtk/session/rgg/operators/EditPin.cxx
+++ b/smtk/session/rgg/operators/EditPin.cxx
@@ -29,6 +29,8 @@
 #include "smtk/attribute/VoidItem.h"
 #include "smtk/model/AuxiliaryGeometry.h"
 #include "smtk/model/Model.h"
+#include "smtk/model/Resource.h"
+#include "smtk/model/Resource.txx"
 
 #include "smtk/session/rgg/operators/EditPin_xml.h"