diff --git a/build.sbt b/build.sbt
index ced5b2cb..89bdd0d7 100644
--- a/build.sbt
+++ b/build.sbt
@@ -55,11 +55,7 @@ proguardOptions in Android ++= Seq("-keep class com.github.shadowsocks.** { <ini
           "-dontwarn org.xbill.**")
 
 lazy val nativeBuild = TaskKey[Unit]("native-build", "Build native executables")
-lazy val launcher = TaskKey[Unit]("launcher", "Generate launcher icons")
 
 nativeBuild := {
   "./build.sh" !
 }
-launcher := {
-  "./launcher.sh" !
-}
diff --git a/launcher.sh b/launcher.sh
deleted file mode 100755
index 052f0256..00000000
--- a/launcher.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/bash
-convert shadow.png -resize 48x48 src/main/res/drawable-mdpi/ic_launcher.png
-convert shadow.png -resize 72x72 src/main/res/drawable-hdpi/ic_launcher.png
-convert shadow.png -resize 96x96 src/main/res/drawable-xhdpi/ic_launcher.png
-convert shadow.png -resize 144x144 src/main/res/drawable-xxhdpi/ic_launcher.png