diff --git a/spec/support/jruby_workaround.rb b/spec/support/jruby_workaround.rb
deleted file mode 100644
index 6aa346ec6050..000000000000
--- a/spec/support/jruby_workaround.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-# frozen_string_literal: true
-
-# Force JRuby not to select the current working directory
-# as a temporary directory on Travis CI.
-# https://github.com/jruby/jruby/issues/405
-if ENV['TRAVIS'] && RUBY_ENGINE == 'jruby'
-  require 'fileutils'
-
-  tmp_dir = ENV['TMPDIR'] || ENV['TMP'] || ENV['TEMP'] ||
-            Etc.systmpdir || '/tmp'
-
-  non_world_writable_tmp_dir = File.join(tmp_dir, 'rubocop')
-  FileUtils.makedirs(non_world_writable_tmp_dir, mode: 0o700)
-  ENV['TMPDIR'] = non_world_writable_tmp_dir
-end