diff --git a/src/OpenMesh/Apps/Unsupported/Streaming/Client/VDPMClientViewerWidget.cc b/src/OpenMesh/Apps/Unsupported/Streaming/Client/VDPMClientViewerWidget.cc
index 7d343882..e1e316c2 100644
--- a/src/OpenMesh/Apps/Unsupported/Streaming/Client/VDPMClientViewerWidget.cc
+++ b/src/OpenMesh/Apps/Unsupported/Streaming/Client/VDPMClientViewerWidget.cc
@@ -701,7 +701,6 @@ open_vd_base_mesh(const char* _filename)
 
 
 #ifdef EXAMPLE_CREATION
-  int   tree_id, node_id;
 
   // load details
   for (i=0; i<n_details_; ++i)