diff --git a/lib/entitlements.rb b/lib/entitlements.rb
index 08d126c..6e89811 100644
--- a/lib/entitlements.rb
+++ b/lib/entitlements.rb
@@ -19,7 +19,6 @@
 require "erb"
 require "logger"
 require "ostruct"
-require "set"
 require "stringio"
 require "uri"
 require "yaml"
diff --git a/lib/entitlements/backend/base_provider.rb b/lib/entitlements/backend/base_provider.rb
index 3292bd0..ce8c51a 100644
--- a/lib/entitlements/backend/base_provider.rb
+++ b/lib/entitlements/backend/base_provider.rb
@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require "set"
-
 module Entitlements
   class Backend
     class BaseProvider
diff --git a/spec/acceptance/tests/spec_helper.rb b/spec/acceptance/tests/spec_helper.rb
index f829a23..312fec4 100644
--- a/spec/acceptance/tests/spec_helper.rb
+++ b/spec/acceptance/tests/spec_helper.rb
@@ -8,7 +8,6 @@
 require "open3"
 require "rugged"
 require "shellwords"
-require "set"
 require "stringio"
 require "tmpdir"
 require "uri"