diff --git a/gc.c b/gc.c
index 9b218934b4..afa1ae94fe 100644
--- a/gc.c
+++ b/gc.c
@@ -5163,11 +5163,6 @@ rb_memerror_reentered(void)
     return (ec && rb_ec_raised_p(ec, RAISED_NOMEMORY));
 }
 
-void
-rb_malloc_info_show_results(void)
-{
-}
-
 static void *
 handle_malloc_failure(void *ptr)
 {
diff --git a/signal.c b/signal.c
index ad21ef25c2..8dd7dad102 100644
--- a/signal.c
+++ b/signal.c
@@ -403,7 +403,6 @@ interrupt_init(int argc, VALUE *argv, VALUE self)
     return rb_call_super(2, args);
 }
 
-void rb_malloc_info_show_results(void); /* gc.c */
 #if defined(USE_SIGALTSTACK) || defined(_WIN32)
 static void reset_sigmask(int sig);
 #endif
@@ -414,7 +413,6 @@ ruby_default_signal(int sig)
 #if USE_DEBUG_COUNTER
     rb_debug_counter_show_results("killed by signal.");
 #endif
-    rb_malloc_info_show_results();
 
     signal(sig, SIG_DFL);
 #if defined(USE_SIGALTSTACK) || defined(_WIN32)