diff --git a/bin/curvecalc b/bin/curvecalc
--- a/bin/curvecalc
+++ b/bin/curvecalc
@@ -108,7 +108,6 @@ class Main(object):
             if newSong is Local:
                 raise NotImplementedError('what do i patch')
             log.debug('songChoiceToGraph is going to set to %r', newSong)
-            import traceback; traceback.print_stack()
 
             # I get bogus newSong values in here sometimes. This
             # workaround may not even be helping.
diff --git a/light9/rdfdb/syncedgraph.py b/light9/rdfdb/syncedgraph.py
--- a/light9/rdfdb/syncedgraph.py
+++ b/light9/rdfdb/syncedgraph.py
@@ -111,7 +111,6 @@ class SyncedGraph(CurrentStateGraphApi, 
         debugKey = '[id=%s]' % (id(p) % 1000)
         print ''
         log.debug("apply local patch %s %s", debugKey, p)
-        import traceback; traceback.print_stack()
         try:
             patchQuads(self._graph,
                        deleteQuads=p.delQuads,