diff --git a/examples/osgcatch/osgcatch.cpp b/examples/osgcatch/osgcatch.cpp
index a070ef949..ecb98b419 100644
--- a/examples/osgcatch/osgcatch.cpp
+++ b/examples/osgcatch/osgcatch.cpp
@@ -1516,9 +1516,6 @@ int main( int argc, char **argv )
     arguments.getApplicationUsage()->addCommandLineOption("-x <float>","Horizontal offset of left and right images.");
     arguments.getApplicationUsage()->addCommandLineOption("-y <float>","Vertical offset of left and right images.");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
-    
-    // todo for osgViewer
-    osg::Referenced::setThreadSafeReferenceCounting(true);
 
     // construct the viewer.
     osgViewer::Viewer viewer;
diff --git a/examples/osghangglide/osghangglide.cpp b/examples/osghangglide/osghangglide.cpp
index 830f23379..bc05d1b65 100644
--- a/examples/osghangglide/osghangglide.cpp
+++ b/examples/osghangglide/osghangglide.cpp
@@ -111,13 +111,9 @@ int main( int argc, char **argv )
     arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
 
-    osg::DisplaySettings::instance()->setMaxNumberOfGraphicsContexts(2);
-    osg::Referenced::setThreadSafeReferenceCounting(true);
-
     // construct the viewer.
     osgViewer::Viewer viewer;
 
-
     viewer.setCameraManipulator(new GliderManipulator());
 
     // if user request help write it out to cout.