--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/resources/javac.properties	Wed Jul 05 21:22:47 2017 +0200
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/resources/javac.properties	Mon Feb 22 16:17:25 2016 -0800
@@ -124,20 +124,12 @@
     Don't accept generics in the language
 javac.opt.moreinfo=\
     Print extended information for type variables
-javac.opt.printflat=\
-    Print abstract syntax tree after inner class conversion
 javac.opt.printsearch=\
     Print information where classfiles are searched
 javac.opt.prompt=\
     Stop after each error
-javac.opt.retrofit=\
-    Retrofit existing classfiles with generic types
 javac.opt.s=\
     Emit java sources instead of classfiles
-javac.opt.scramble=\
-    Scramble private identifiers in bytecode
-javac.opt.scrambleall=\
-    Scramble package visible identifiers in bytecode
 javac.opt.version=\
     Version information
 javac.opt.arg.pathname=\