diff --git a/client.go b/client.go
index cfdde93..ed2c833 100644
--- a/client.go
+++ b/client.go
@@ -2,12 +2,10 @@ package main
 
 import (
 	"errors"
-	"fmt"
 	"strings"
-	"time"
 )
 
-func getLockedClient(int64 id, bool createMissing) (*ChirpClient, bool) {
+func getLockedClient(id int64, createMissing bool) (*ChirpClient, bool) {
 	muxClients.Lock()
 	if c, ok := clients[id]; ok {
 		c.Mux.Lock()
diff --git a/def.go b/def.go
index 03ba699..e9c1282 100644
--- a/def.go
+++ b/def.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"regexp"
+	"sync"
 	"time"
 
 	"github.com/streadway/amqp"