diff --git a/pkgs/development/compilers/mozart/builder.sh b/pkgs/development/compilers/mozart/builder.sh
index 90eb3092db4..58fe9a8effe 100644
--- a/pkgs/development/compilers/mozart/builder.sh
+++ b/pkgs/development/compilers/mozart/builder.sh
@@ -1,5 +1,3 @@
-#!/bin/bash
-
 source $stdenv/setup
 
 echo "unpacking $src..."