Remove unnecessary `mrb_regexp_check()` and related functions.

1 files changed, 0 insertions, 16 deletions

diff --git a/src/etc.c b/src/etc.c
index d15b398dd..ac1540f92 100644
--- a/src/etc.c
+++ b/src/etc.c
@@ -194,22 +194,6 @@ mrb_word_boxing_cptr_value(mrb_state *mrb, void *p)
 }
 #endif  /* MRB_WORD_BOXING */
 
-MRB_API mrb_bool
-mrb_regexp_p(mrb_state *mrb, mrb_value v)
-{
-  if (mrb->flags & MRB_STATE_NO_REGEXP) {
-    return FALSE;
-  }
-  if ((mrb->flags & MRB_STATE_REGEXP) || mrb_class_defined(mrb, REGEXP_CLASS)) {
-    mrb->flags |= MRB_STATE_REGEXP;
-    return mrb_obj_is_kind_of(mrb, v, mrb_class_get(mrb, REGEXP_CLASS));
-  }
-  else {
-    mrb->flags |= MRB_STATE_NO_REGEXP;
-  }
-  return FALSE;
-}
-
 #if defined _MSC_VER && _MSC_VER < 1900
 
 #ifndef va_copy