diff --git a/wrap/gl/gl_mesh_attributes_info.h b/wrap/gl/gl_mesh_attributes_info.h
index 77e04ac8..49fd2ce3 100644
--- a/wrap/gl/gl_mesh_attributes_info.h
+++ b/wrap/gl/gl_mesh_attributes_info.h
@@ -309,7 +309,7 @@ namespace vcg
             INT_ATT_NAMES(unsigned int att)
                 :ATT_NAMES()
             {
-                if ((att < INT_ATT_NAMES::ATT_VERTPOSITION) || (att >= INT_ATT_NAMES::enumArity()))
+                if (att >= INT_ATT_NAMES::enumArity())
                     throw Exception("Out of range value\n");
                 else
                     _val = att;
diff --git a/wrap/gl/gl_mesh_attributes_multi_viewer_bo_manager.h b/wrap/gl/gl_mesh_attributes_multi_viewer_bo_manager.h
index e629f5ed..9201e39e 100644
--- a/wrap/gl/gl_mesh_attributes_multi_viewer_bo_manager.h
+++ b/wrap/gl/gl_mesh_attributes_multi_viewer_bo_manager.h
@@ -1921,7 +1921,7 @@ namespace vcg
         void setBufferPointer( INT_ATT_NAMES boname) const
         {
             unsigned int ii = boname;
-            if ((ii < INT_ATT_NAMES::ATT_VERTPOSITION) || (ii >= INT_ATT_NAMES::enumArity()))
+            if (ii >= INT_ATT_NAMES::enumArity())
                 return;
             GLBufferObject* cbo = _bo[ii];
             if (cbo == NULL)
@@ -1959,7 +1959,7 @@ namespace vcg
         void disableClientState( INT_ATT_NAMES boname,const RendAtts& req) const
         {
 
-            if ((boname < INT_ATT_NAMES::ATT_VERTPOSITION) || (boname >= INT_ATT_NAMES::enumArity()))
+            if (boname >= INT_ATT_NAMES::enumArity())
                 return;
 
             switch(boname)