diff --git a/Telegram/build/docker/centos_env/prepare.sh b/Telegram/build/docker/centos_env/prepare.sh
deleted file mode 100755
index c25644aa8..000000000
--- a/Telegram/build/docker/centos_env/prepare.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-set -e
-FullExecPath=$PWD
-pushd `dirname $0` > /dev/null
-FullScriptPath=`pwd`
-popd > /dev/null
-
-docker build -t tdesktop:centos_env "$FullScriptPath/"