diff --git a/activesupport/lib/active_support/parameter_filter.rb b/activesupport/lib/active_support/parameter_filter.rb
index 151f8c4d37..3dde9511e4 100644
--- a/activesupport/lib/active_support/parameter_filter.rb
+++ b/activesupport/lib/active_support/parameter_filter.rb
@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 require "active_support/core_ext/object/duplicable"
-require "active_support/core_ext/array/extract"
 
 module ActiveSupport
   # +ParameterFilter+ allows you to specify keys for sensitive data from