1 files changed, 1 insertions, 0 deletions

diff --git a/bitbake/lib/bb/cookerdata.py b/bitbake/lib/bb/cookerdata.py
index de4331050d..2247f8d3bd 100644
--- a/bitbake/lib/bb/cookerdata.py
+++ b/bitbake/lib/bb/cookerdata.py
@@ -174,6 +174,7 @@ class CookerDataBuilder(object):
         self.tracking = params.tracking
 
         bb.utils.set_context(bb.utils.clean_context())
+        bb.event.set_class_handlers(bb.event.clean_class_handlers())
         self.data = bb.data.init()
         if self.tracking:
             self.data.enableTracking()