--- a/proxy.t
+++ b/proxy.t
@@ -79,15 +79,8 @@ unlike(http_head('/'), qr/SEE-THIS/, 'pr
 like(http_get('/var?b=127.0.0.1:' . port(8081) . '/'), qr/SEE-THIS/,
 	'proxy with variables');
 like(http_get('/var?b=u/'), qr/SEE-THIS/, 'proxy with variables to upstream');
-
-TODO: {
-todo_skip 'heap-buffer-overflow', 1
-	unless $ENV{TEST_NGINX_UNSAFE} or $t->has_version('1.11.0');
-
 ok(http_get("/var?b=[::]"), 'proxy with variables - no ipv6 port');
 
-}
-
 like(http_get('/timeout'), qr/200 OK/, 'proxy connect timeout');
 
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