--- old/src/java.net.http/share/classes/jdk/internal/net/http/AbstractAsyncSSLConnection.java	2018-08-07 15:13:04.000000000 +0100
+++ new/src/java.net.http/share/classes/jdk/internal/net/http/AbstractAsyncSSLConnection.java	2018-08-07 15:13:03.000000000 +0100
@@ -80,11 +80,9 @@
         engine = createEngine(context, serverName.getName(), port, sslParameters);
     }
 
-    abstract HttpConnection plainConnection();
     abstract SSLTube getConnectionFlow();
 
     final CompletableFuture<String> getALPN() {
-        assert connected();
         return getConnectionFlow().getALPN();
     }