diff --git a/ChangeLog b/ChangeLog
index b204dd8f8d..bc1cf11a61 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Apr 20 06:01:18 2014  Eric Wong  <e@80x24.org>
+
+	* gc.c (rb_gc_writebarrier): drop special case for big hash/array
+	  [Bug #9518]
+
 Sat Apr 19 15:38:29 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* parse.y (primary): flush cmdarg flags inside left-paren in a
diff --git a/gc.c b/gc.c
index a3833bb031..170a95f1f4 100644
--- a/gc.c
+++ b/gc.c
@@ -4789,20 +4789,9 @@ rb_gc_writebarrier(VALUE a, VALUE b)
 	rb_objspace_t *objspace = &rb_objspace;
 
 	if (!rgengc_remembered(objspace, a)) {
-	    int type = BUILTIN_TYPE(a);
-	    /* TODO: 2 << 16 is just a magic number. */
-	    if ((type == T_ARRAY && RARRAY_LEN(a) >= 2 << 16) ||
-		(type == T_HASH  && RHASH_SIZE(a) >= 2 << 16)) {
-		if (!rgengc_remembered(objspace, b)) {
-		    rgengc_report(2, objspace, "rb_gc_wb: %p (%s) -> %p (%s)\n", (void *)a, obj_type_name(a), (void *)b, obj_type_name(b));
-		    rgengc_remember(objspace, b);
-		}
-	    }
-	    else {
-		rgengc_report(2, objspace, "rb_gc_wb: %p (%s) -> %p (%s)\n",
-			      (void *)a, obj_type_name(a), (void *)b, obj_type_name(b));
-		rgengc_remember(objspace, a);
-	    }
+	    rgengc_report(2, objspace, "rb_gc_wb: %p (%s) -> %p (%s)\n",
+			  (void *)a, obj_type_name(a), (void *)b, obj_type_name(b));
+	    rgengc_remember(objspace, a);
 	}
     }
 }