From 78c55bd85b7e3020dd40dcea66315bc698c87e68 Mon Sep 17 00:00:00 2001
From: alpha <alphayyq@163.com>
Date: Sun, 19 Aug 2018 08:48:09 +0800
Subject: [PATCH] fix ch4-04-3

---
 ch4-rpc/ch4-04-grpc.md | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/ch4-rpc/ch4-04-grpc.md b/ch4-rpc/ch4-04-grpc.md
index 20489f5..dbad0f6 100644
--- a/ch4-rpc/ch4-04-grpc.md
+++ b/ch4-rpc/ch4-04-grpc.md
@@ -217,10 +217,6 @@ for {
 ```go
 import (
 	"github.com/docker/docker/pkg/pubsub"
-	"time"
-	"fmt"
-	"strings"
-	"runtime"
 )
 
 func main() {