Locate the Xcode project file. Xcodeproj, view the package contents.
There are project.pbxproj in it, open with a text editor.
Find a section similar to the following:
/*Begin xcversiongroup section*/6a8cfcce1d52d4fa00169639/*Coredatademobyficow.xcdatamodeld*/={ISA=Xcversiongroup; Children=(6a9b67701da88b5e004fb82d/*Coredatademobyficow 2.xcdatamodel*/, 6a8cfccf1d52d4fa00169639/*Coredatademobyficow.xcdatamodel*/, ); CurrentVersion= 6a8cfccf1d52d4fa00169639/*Coredatademobyficow.xcdatamodel*/; Path=Coredatademobyficow.xcdatamodeld; Sourcetree="<group>"; Versiongrouptype=Wrapper.xcdatamodel; };/*End xcversiongroup section*/
Coredatademobyficow.xcdatamodel
Coredatademobyficow 2.xcdatamodel
To delete or to sort, now whatever you want!
Please pay attention to backup!
Http://www.cnblogs.com/ficow/p/5938825.html
IOS Delete, reorder Xcdatamodel