diff --git a/contrib/prebuild-install/README.md b/contrib/prebuild-install/README.md
index 4a289097b..013b8d72d 100644
--- a/contrib/prebuild-install/README.md
+++ b/contrib/prebuild-install/README.md
@@ -1,13 +1,10 @@
 ## Make use of pre-built images of Harbor
 
-Community members have helped building Harbor's docker images. If you want to save time from building Harbor from source. You can follow the below instructions to quickly pull Harbor's pre-built images for installation. 
-
-The script `docker-compose.sh` is used to change the registry service to pull pre-built images from. It updates `docker-compose.yml` to skip building the images from source locally.
-
+Community members have helped building Harbor's docker images. If you want to save time from building Harbor from source, please follow the below instructions to quickly pull Harbor's pre-built images for installation. 
 
 ### Steps
 
-Run the command update_compose.sh :
+Run the command `update_compose.sh` :
 ```
 $ ./update_compose.sh 
  
@@ -22,5 +19,5 @@ Enter **1** to pull images from Docker Hub,
 Enter **2** to pull image from Daocloud.io, recommended for Chinese users.  
 or Enter other registry URL like `https://my_registry/harbor/` . Do not forget the "/" and the end.
 
-This command will back up and update the file `Deploy/docker-compose.yml` . Next, just follow the [Harbor Installation Guide](../../docs/installation_guide.md) to install Harbor. 
+This command backs up and updates the file `Deploy/docker-compose.yml` . Next, just follow the [Harbor Installation Guide](../../docs/installation_guide.md) to install Harbor. 
 
diff --git a/contrib/prebuild-install/docker-compose.sh b/contrib/prebuild-install/docker-compose.sh
deleted file mode 100755
index 2e3a2f946..000000000
--- a/contrib/prebuild-install/docker-compose.sh
+++ /dev/null
@@ -1,32 +0,0 @@
-#/bin/bash
-read -p "Please input the platform name you want to pull images, for docker hub, enter 1; for daocloud.io, enter 2, otherwise enter the name of the platform, the default is 1:" choice 
-cd ../../Deploy
-template_file="docker-compose.yml.template"
-yml_file='docker-compose.yml'
-if test -e $template_file 
-then
-  cp $template_file $yml_file
-else
-  cp $yml_file $template_file
-fi
-platform=''
-choice=${choice:-1} 
-if [ $choice == '1' ]
-then
-  platform='prjharbor/'
-elif [ $choice == '2' ]
-then
-  platform='daocloud.io/harbor/'
-else
-  platform=$choice
-fi
-version='0.3.0'
-log='deploy_log:'
-db='deploy_mysql:'
-job_service='deploy_jobservice:'
-ui='deploy_ui:'
-sed -i -- '/build: .\/log\//c\    image: '$platform$log$version'' $yml_file
-sed -i -- '/build: .\/db\//c\    image: '$platform$db$version'' $yml_file
-sed -i -- '/ui:/{n;N;N;d}' $yml_file && sed -i -- '/ui:/a\\    image: '$platform$ui$version'' $yml_file
-sed -i -- '/jobservice:/{n;N;N;d}' $yml_file && sed -i -- '/jobservice:/a\\    image: '$platform$job_service$version'' $yml_file
-echo "succeed! "