diff --git a/IPython/completer.py b/IPython/completer.py
index 33d7a80..781aaf2 100644
--- a/IPython/completer.py
+++ b/IPython/completer.py
@@ -441,7 +441,7 @@ class IPCompleter(Completer):
                 matches = [text_prefix + 
                            protect_filename(f) for f in m0]
 
-        print 'mm',matches  # dbg
+        #print 'mm',matches  # dbg
         return single_dir_expand(matches)
 
     def alias_matches(self, text):
@@ -655,8 +655,8 @@ class IPCompleter(Completer):
             except IndexError:
                 return None
         except:
-            from IPython.ultraTB import AutoFormattedTB; # dbg
-            tb=AutoFormattedTB('Verbose');tb() #dbg
+            #from IPython.ultraTB import AutoFormattedTB; # dbg
+            #tb=AutoFormattedTB('Verbose');tb() #dbg
 
             # If completion fails, don't annoy the user.
             return None