diff --git a/ext/.document b/ext/.document

index 3e767d2..76ca952 100644

--- a/ext/.document

+++ b/ext/.document

@@ -10,9 +10,6 @@ gdbm/gdbm.c

 iconv/iconv.c

 io/wait/wait.c

 io/wait/lib

-json/ext/generator/generator.c

-json/ext/parser/parser.c

-json/lib

 nkf/lib/kconv.rb

 nkf/nkf.c

 objspace/objspace.c

diff --git a/lib/.document b/lib/.document

index d3c4a13..90c1753 100644

--- a/lib/.document

+++ b/lib/.document

@@ -63,7 +63,6 @@ prime.rb

 profile.rb

 profiler.rb

 pstore.rb

-racc

 rational.rb

 rdoc.rb

 rdoc