diff --git a/src/osgPlugins/OpenFlight/PrimaryRecords.cpp b/src/osgPlugins/OpenFlight/PrimaryRecords.cpp
index e125927e9..6de694041 100644
--- a/src/osgPlugins/OpenFlight/PrimaryRecords.cpp
+++ b/src/osgPlugins/OpenFlight/PrimaryRecords.cpp
@@ -692,12 +692,12 @@ protected:
         {
             in.forward(4);
 
-            uint32 mask = in.readUInt32(~0);
+            uint32 mask = in.readUInt32(~0u);
 
             // Possible bug in models with version number 15.4.1 ?
             // Symptoms: Black trees in VegaPlayer town.
             if (document.version() == 1541)
-                mask = ~0;
+                mask = ~0u;
 
             ParentPools* parentPools = new ParentPools;
 
diff --git a/src/osgPlugins/osgSim/IO_ObjectRecordData.cpp b/src/osgPlugins/osgSim/IO_ObjectRecordData.cpp
index 029ecaeb5..f65f03688 100644
--- a/src/osgPlugins/osgSim/IO_ObjectRecordData.cpp
+++ b/src/osgPlugins/osgSim/IO_ObjectRecordData.cpp
@@ -24,8 +24,10 @@ osgDB::RegisterDotOsgWrapperProxy ObjectRecordData_Proxy
     osgDB::DotOsgWrapper::READ_AND_WRITE
 );
 
+#if 0
+// if deffing out as values are not used anywhere.
 static const int numBits( 6 );
-typedef std::pair< std::string,unsigned int> FlagBits;
+typedef std::pair< std::string, osgSim::ObjectRecordData::Flags> FlagBits;
 static FlagBits flagBits[numBits] = {
     FlagBits( std::string("DONT_DISPLAY_IN_DAYLIGHT"), osgSim::ObjectRecordData::DONT_DISPLAY_IN_DAYLIGHT ),
     FlagBits( "DONT_DISPLAY_AT_DUSK", osgSim::ObjectRecordData::DONT_DISPLAY_AT_DUSK ),
@@ -34,7 +36,7 @@ static FlagBits flagBits[numBits] = {
     FlagBits( "FLAT_SHADED", osgSim::ObjectRecordData::FLAT_SHADED ),
     FlagBits( "GROUPS_SHADOW_OBJECT", osgSim::ObjectRecordData::GROUPS_SHADOW_OBJECT )
 };
-
+#endif
 bool ObjectRecordData_readLocalData(osg::Object &obj, osgDB::Input &fr)
 {
     bool iteratorAdvanced = false;