sk89q/worldedit — comment on commit 5d3ca70318cfc1019e42282b3f960a0c96a37e3f
File:  line 0
By sk89q:

@Override is a compiler annotation and its retention is not set to runtime:
http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Override.html

It wouldn't affect the output. The issue is that if you try to set Java editors and compilers to compile to 1.5.