diff --git a/lib/parser/meta.rb b/lib/parser/meta.rb
index 48cf0fba2..1b36a7b93 100644
--- a/lib/parser/meta.rb
+++ b/lib/parser/meta.rb
@@ -23,7 +23,7 @@ module class sclass def defs undef alias args
         until_post for break next redo return resbody
         kwbegin begin retry preexe postexe iflipflop eflipflop
         shadowarg complex rational __FILE__ __LINE__ __ENCODING__
-        ident root lambda indexasgn index procarg0
+        ident lambda indexasgn index procarg0
         restarg_expr blockarg_expr
         objc_kwarg objc_restarg objc_varargs
         numargs numblock forward_args forwarded_args forward_arg