diff --git a/src/calibre/devices/apple/driver.py b/src/calibre/devices/apple/driver.py
index f941ccd659..fef05c9820 100644
--- a/src/calibre/devices/apple/driver.py
+++ b/src/calibre/devices/apple/driver.py
@@ -7,9 +7,10 @@ __docformat__ = 'restructuredtext en'
 
 import cStringIO, ctypes, datetime, os, platform, re, shutil, sys, tempfile, time
 
-from calibre.constants import __appname__, __version__, DEBUG, cache_dir
 from calibre import fit_image, confirm_config_name, strftime as _strftime
-from calibre.constants import isosx, iswindows
+from calibre.constants import (
+    __appname__, __version__, DEBUG as CALIBRE_DEBUG, isosx, iswindows,
+    cache_dir as _cache_dir)
 from calibre.devices.errors import OpenFeedback, UserFeedback
 from calibre.devices.usbms.deviceconfig import DeviceConfig
 from calibre.devices.interface import DevicePlugin
@@ -20,6 +21,8 @@ from calibre.utils.config import config_dir, dynamic, prefs
 from calibre.utils.date import now, parse_date
 from calibre.utils.zipfile import ZipFile
 
+# DEBUG = False
+DEBUG = CALIBRE_DEBUG
 
 def strftime(fmt='%Y/%m/%d %H:%M:%S', dt=None):
 
@@ -309,7 +312,7 @@ class ITUNES(DriverBase):
 
     @property
     def cache_dir(self):
-        return os.path.join(cache_dir(), 'itunes')
+        return os.path.join(_cache_dir(), 'itunes')
 
     @property
     def archive_path(self):
@@ -887,8 +890,9 @@ class ITUNES(DriverBase):
                     logger().info(" %s" % self.UNSUPPORTED_DIRECT_CONNECT_MODE_MESSAGE)
 
         # Log supported DEVICE_IDs and BCDs
-        logger().info(" BCD: %s" % ['0x%x' % x for x in sorted(self.BCD)])
-        logger().info(" PRODUCT_ID: %s" % ['0x%x' % x for x in sorted(self.PRODUCT_ID)])
+        if DEBUG:
+            logger().info(" BCD: %s" % ['0x%x' % x for x in sorted(self.BCD)])
+            logger().info(" PRODUCT_ID: %s" % ['0x%x' % x for x in sorted(self.PRODUCT_ID)])
 
         # Confirm/create thumbs archive
         if not os.path.exists(self.cache_dir):
@@ -1035,7 +1039,7 @@ class ITUNES(DriverBase):
         self.plugboard_func = pb_func
 
     def shutdown(self):
-        if DEBUG:
+        if False and DEBUG:
             logger().info("%s.shutdown()\n" % self.__class__.__name__)
 
     def sync_booklists(self, booklists, end_session=True):
@@ -1673,7 +1677,8 @@ class ITUNES(DriverBase):
                 except:
                     self.manual_sync_mode = False
 
-        logger().info("   iTunes.manual_sync_mode: %s" % self.manual_sync_mode)
+        if DEBUG:
+            logger().info("   iTunes.manual_sync_mode: %s" % self.manual_sync_mode)
 
     def _dump_booklist(self, booklist, header=None, indent=0):
         '''