1 files changed, 0 insertions, 5 deletions
diff --git a/parse.y b/parse.y
index 59e5d8d3f1..f253922306 100644
--- a/parse.y
+++ b/parse.y
@@ -10107,9 +10107,6 @@ static const rb_data_type_t parser_data_type = {
     },
 };
 
-VALUE rb_parser_get_yydebug(VALUE);
-VALUE rb_parser_set_yydebug(VALUE, VALUE);
-
 #ifndef RIPPER
 #undef rb_reserved_word
 
@@ -10584,8 +10581,6 @@ ripper_initialize(int argc, VALUE *argv, VALUE self)
     return Qnil;
 }
 
-extern VALUE rb_thread_pass(void);
-
 struct ripper_args {
     struct parser_params *parser;
     int argc;