diff --git a/offlineimap/head/offlineimap/ui/Blinkenlights.py b/offlineimap/head/offlineimap/ui/Blinkenlights.py
index 14aee7d..6ed26bc 100644
--- a/offlineimap/head/offlineimap/ui/Blinkenlights.py
+++ b/offlineimap/head/offlineimap/ui/Blinkenlights.py
@@ -21,8 +21,6 @@ from offlineimap.ui.UIBase import UIBase
 import thread
 from offlineimap.threadutil import MultiLock
 
-from debuglock import DebuggingLock
-
 class BlinkenBase:
     """This is a mix-in class that should be mixed in with either UIBase
     or another appropriate base class.  The Tk interface, for instance,
diff --git a/offlineimap/head/offlineimap/ui/Curses.py b/offlineimap/head/offlineimap/ui/Curses.py
index befefb2..a96954b 100644
--- a/offlineimap/head/offlineimap/ui/Curses.py
+++ b/offlineimap/head/offlineimap/ui/Curses.py
@@ -24,7 +24,6 @@ from offlineimap import version, threadutil
 from offlineimap.threadutil import MultiLock
 
 import curses, curses.panel, curses.textpad, curses.wrapper
-from debuglock import DebuggingLock
 
 acctkeys = '1234567890abcdefghijklmnoprstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-=;/.,'
 
@@ -229,9 +228,9 @@ class InputHandler:
     def __init__(s, util):
         s.c = util
         s.bgchar = None
-        s.inputlock = DebuggingLock('inputlock')
+        s.inputlock = Lock()
         s.lockheld = 0
-        s.statuslock = DebuggingLock('statuslock')
+        s.statuslock = Lock()
         s.startup = Event()
         s.startthread()
 
@@ -299,7 +298,7 @@ class InputHandler:
 class Blinkenlights(BlinkenBase, UIBase):
     def init_banner(s):
         s.af = {}
-        s.aflock = DebuggingLock('aflock')
+        s.aflock = Lock()
         s.c = CursesUtil()
         s.text = []
         BlinkenBase.init_banner(s)