Index: indico/MaKaC/booking.py
===================================================================
--- indico/MaKaC/booking.py	(revision bdd862c370446d56bfeedaade112a77717049db1)
+++ indico/MaKaC/booking.py	(revision 3c14798a47ed2cfb958e6cdeb73c35eaa317144d)
@@ -41,5 +41,4 @@
 from MaKaC.common.Locators import Locator
 from MaKaC.accessControl import AccessController
-from MaKaC.common.timerExec import HelperTaskList, Alarm
 from MaKaC.errors import MaKaCError, TimingError, ParentTimingError
 from MaKaC import registration