diff --git a/src/Servers/Kestrel/shared/test/TransportTestHelpers/HostNameIsReachableAttribute.cs b/src/Servers/Kestrel/shared/test/TransportTestHelpers/HostNameIsReachableAttribute.cs
index 1c15cd164e..b489a110fb 100644
--- a/src/Servers/Kestrel/shared/test/TransportTestHelpers/HostNameIsReachableAttribute.cs
+++ b/src/Servers/Kestrel/shared/test/TransportTestHelpers/HostNameIsReachableAttribute.cs
@@ -4,7 +4,6 @@
 using System;
 using System.Net;
 using System.Net.Sockets;
-using System.Runtime.InteropServices;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Testing;