Marcel Taeumel uploaded a new version of System to project The Trunk:
http://source.squeak.org/trunk/System-mt.859.mcz==================== Summary ====================
Name: System-mt.859
Author: mt
Time: 2 August 2016, 3:33:31.504305 pm
UUID: c63dccd8-6a6d-e046-942f-592655403eaf
Ancestors: System-mt.858
On aggressive clean-up, remove all auto-generated accessors in Preferences.
=============== Diff against System-mt.858 ===============
Item was added:
+ ----- Method: Preferences class>>cleanUp: (in category 'initialization') -----
+ cleanUp: aggressive
+
+ aggressive ifTrue: [
+ self class organization categories
+ select: [:ea | ea beginsWith: '*autogenerated']
+ thenDo: [:ea | self class removeCategory: ea]].!