diff --git a/src/emqttd.app.src b/src/emqttd.app.src
deleted file mode 100644
index 67af8854e..000000000
--- a/src/emqttd.app.src
+++ /dev/null
@@ -1,12 +0,0 @@
-{application,emqttd,
-             [{description,"Erlang MQTT Broker"},
-              {vsn,"2.3.1"},
-              {modules,[]},
-              {registered,[emqttd_sup]},
-              {applications,[kernel,stdlib,gproc,lager,esockd,mochiweb,
-                             lager_syslog,pbkdf2,bcrypt]},
-              {env,[]},
-              {mod,{emqttd_app,[]}},
-              {maintainers,["Feng Lee <feng@emqtt.io>"]},
-              {licenses,["Apache-2.0"]},
-              {links,[{"Github","https://github.com/emqtt/emqttd"}]}]}.