--- a/stream_upstream_zone.t
+++ b/stream_upstream_zone.t
@@ -76,10 +76,6 @@ EOF
 
 my $p = port(8081);
 
-TODO: {
-todo_skip 'leaves coredump', 2 unless $^O ne 'MSWin32'
-	or $ENV{TEST_NGINX_UNSAFE} or $t->has_version('1.13.4');
-
 stream('127.0.0.1:' . port(8091));
 stream("127.0.0.1:" . port(8092));
 
@@ -88,6 +84,4 @@ stream("127.0.0.1:" . port(8092));
 is($t->read_file('access1.log'), "127.0.0.1:$p\n", 'upstream name');
 is($t->read_file('access2.log'), "u2\n", 'no live upstreams');
 
-}
-
 ###############################################################################