diff --git a/addons/hr_timesheet_sheet/hr_timesheet_sheet.py b/addons/hr_timesheet_sheet/hr_timesheet_sheet.py
index 26e16da955a..39ae3ed0d2e 100644
--- a/addons/hr_timesheet_sheet/hr_timesheet_sheet.py
+++ b/addons/hr_timesheet_sheet/hr_timesheet_sheet.py
@@ -27,9 +27,6 @@ import netsvc
 from mx import DateTime
 from tools.translate import _
 
-import sql_db
-
-
 class one2many_mod2(fields.one2many):
     def get(self, cr, obj, ids, name, user=None, offset=0, context={}, values={}):
         res = {}