diff --git a/src/message/response.rs b/src/message/response.rs
index e5351d6280843804ee946d9163b5770bf9bb3911..4916a3e6e22af503528aab22d21983168bdfb384 100644
--- a/src/message/response.rs
+++ b/src/message/response.rs
@@ -47,7 +47,6 @@ impl IsMessage for CoAPResponse {
 mod test {
     use super::*;
     use message::packet::Packet;
-    use message::IsMessage;
     use message::header::MessageType;
 
     #[test]
diff --git a/src/server.rs b/src/server.rs
index 37b0392f0110edfc930dd9a1e76b0db72a1f18d3..61b7f4a7188392140713abcab9e99217f8a3d945 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -296,10 +296,10 @@ mod test {
 
     #[test]
     fn test_echo_server_no_token() {
-        let mut server = CoAPServer::new("127.0.0.1:5683").unwrap();
+        let mut server = CoAPServer::new("127.0.0.1:5685").unwrap();
         server.handle(request_handler).unwrap();
 
-        let client = CoAPClient::new("127.0.0.1:5683").unwrap();
+        let client = CoAPClient::new("127.0.0.1:5685").unwrap();
         let mut packet = CoAPRequest::new();
         packet.set_version(1);
         packet.set_type(header::MessageType::Confirmable);