diff --git a/bin/entrypoint.sh b/bin/entrypoint.sh
deleted file mode 100755
index fcd77e1..0000000
--- a/bin/entrypoint.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/bin/sh -e
-
-# Fix reboot loop issue (`A server is already running. Check
-# /app/test/tmp/pids/server.pid.`).
-rm -rf /app/test/tmp/pids/server.pid
-
-exec "$@"
diff --git a/test/config/boot.rb b/test/config/boot.rb
index 000ac98..ff5d810 100644
--- a/test/config/boot.rb
+++ b/test/config/boot.rb
@@ -1,3 +1,8 @@
+# Before booting, remove `server.pid` (fixes issue in production where the app reboots constantly
+# with: `A server is already running. Check /app/test/tmp/pids/server.pid.`).
+require "fileutils"
+FileUtils.rm_rf("tmp/pids/server.pid")
+
 # Set up gems listed in the Gemfile.
 ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile", __dir__)
 require "bundler/setup"