diff --git a/zipline/protocol.py b/zipline/protocol.py
index f062a146..374f2fda 100644
--- a/zipline/protocol.py
+++ b/zipline/protocol.py
@@ -292,7 +292,6 @@ def DATASOURCE_UNFRAME(msg):
             raise INVALID_DATASOURCE_FRAME(msg)
 
         rval.merge(child_value)
-        import pdb; pdb.set_trace()
         return rval
 
     except TypeError: