diff --git a/bin/setup b/bin/setup
index c31e9ab26f..51eb039b61 100755
--- a/bin/setup
+++ b/bin/setup
@@ -32,6 +32,7 @@ FileUtils.chdir APP_ROOT do
   puts "\n== Preparing database, removing old logs and tempfiles =="
   system! "bin/rails db:prepare log:clear tmp:clear"
   system! "rm -f tmp/capybara/screenshots/*.png"
+  system! "rm -f tmp/javascripts/*.js"
 
   puts "\n== Removing any precompiled assets that would be out of date now =="
   system! "rm -rf public/assets/"