diff --git a/postgres-shared/src/params/mod.rs b/postgres-shared/src/params/mod.rs
index 67e3aaae..d7caa316 100644
--- a/postgres-shared/src/params/mod.rs
+++ b/postgres-shared/src/params/mod.rs
@@ -168,7 +168,7 @@ impl IntoConnectParams for String {
 
 impl IntoConnectParams for Url {
     fn into_connect_params(self) -> Result<ConnectParams, Box<Error + Sync + Send>> {
-        let Url { host, port, user, path: url::Path { mut path, query: options, .. }, .. } = self;
+        let Url { host, port, user, path: url::Path { path, query: options, .. }, .. } = self;
 
         let mut builder = ConnectParams::builder();
 
diff --git a/postgres/src/lib.rs b/postgres/src/lib.rs
index 1ef8e533..f35c1299 100644
--- a/postgres/src/lib.rs
+++ b/postgres/src/lib.rs
@@ -96,7 +96,7 @@ use postgres_shared::rows::RowData;
 use error::{Error, ConnectError, SqlState, DbError};
 use tls::TlsHandshake;
 use notification::{Notifications, Notification};
-use params::{ConnectParams, IntoConnectParams, User};
+use params::{IntoConnectParams, User};
 use priv_io::MessageStream;
 use rows::{Rows, LazyRows};
 use stmt::{Statement, Column};
diff --git a/postgres/src/priv_io.rs b/postgres/src/priv_io.rs
index aa796859..a0c5bf67 100644
--- a/postgres/src/priv_io.rs
+++ b/postgres/src/priv_io.rs
@@ -18,7 +18,6 @@ use error::ConnectError;
 use tls::TlsStream;
 use params::{ConnectParams, Host};
 
-const DEFAULT_PORT: u16 = 5432;
 const MESSAGE_HEADER_SIZE: usize = 5;
 
 pub struct MessageStream {