diff --git a/lib/rack/timeout/support/scheduler.rb b/lib/rack/timeout/support/scheduler.rb
old mode 100755
new mode 100644
index e280a46..1a0f079
--- a/lib/rack/timeout/support/scheduler.rb
+++ b/lib/rack/timeout/support/scheduler.rb
@@ -1,4 +1,3 @@
-#!/usr/bin/env ruby
 require_relative "namespace"
 require_relative "monotonic_time"