diff --git a/rtcoin-server/src/db.rs b/rtcoin-server/src/db.rs
index 563da98..de24ceb 100644
--- a/rtcoin-server/src/db.rs
+++ b/rtcoin-server/src/db.rs
@@ -3,7 +3,7 @@
 // See LICENSE file for detailed license information.
 //
 
-use std::{path::Path, sync::mpsc, thread};
+use std::{path::Path, sync::mpsc};
 
 use log::info;
 
@@ -202,14 +202,14 @@ impl DB {
 fn startup_check_tables(conn: &rusqlite::Connection) {
     conn.execute(
         "CREATE TABLE IF NOT EXISTS ledger (
-                id              INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, 
-                type            TEXT NOT NULL, 
-                timestamp       TEXT NOT NULL, 
-                source          TEXT NOT NULL, 
-                destination     TEXT NOT NULL, 
-                amount          REAL NOT NULL, 
-                ledger_hash     TEXT NOT NULL, 
-                receipt_id      INTEGER NOT NULL, 
+                id              INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                type            TEXT NOT NULL,
+                timestamp       TEXT NOT NULL,
+                source          TEXT NOT NULL,
+                destination     TEXT NOT NULL,
+                amount          REAL NOT NULL,
+                ledger_hash     TEXT NOT NULL,
+                receipt_id      INTEGER NOT NULL,
                 receipt_hash    TEXT NOT NULL
             )",
         NO_PARAMS,
diff --git a/rtcoin-server/src/user.rs b/rtcoin-server/src/user.rs
index a8177e1..58a78f2 100644
--- a/rtcoin-server/src/user.rs
+++ b/rtcoin-server/src/user.rs
@@ -53,7 +53,7 @@ impl fmt::Display for User {
 }
 
 impl User {
-    pub fn new(name: &str) -> User {
+    pub fn new(name: &str) -> Self {
         let pass = String::new();
         let name = name.to_string();
         let now = Utc::now().to_rfc2822();
@@ -93,7 +93,7 @@ pub fn register(comm: db::Comm, db: &rusqlite::Connection) {
         None => return,
     };
     let user = args[0].clone();
-    let mut pass = args[1].clone();
+    let pass = args[1].clone();
     let pubkey = args[2].clone();
 
     match check_pass(&pass) {