diff --git a/Library/Homebrew/rubocops/components_order.rb b/Library/Homebrew/rubocops/components_order.rb
index e07af84e11..c84766adc4 100644
--- a/Library/Homebrew/rubocops/components_order.rb
+++ b/Library/Homebrew/rubocops/components_order.rb
@@ -3,9 +3,7 @@
 
 require "ast_constants"
 require "rubocops/extend/formula_cop"
-
-# TODO: remove this (and avoid further active support in rubocops)
-require "active_support/core_ext/array/conversions"
+require "utils/array"
 
 module RuboCop
   module Cop
diff --git a/Library/Homebrew/utils.rb b/Library/Homebrew/utils.rb
index a6435344f0..f231d698f5 100644
--- a/Library/Homebrew/utils.rb
+++ b/Library/Homebrew/utils.rb
@@ -4,6 +4,7 @@
 require "time"
 
 require "utils/analytics"
+require "utils/array"
 require "utils/curl"
 require "utils/fork"
 require "utils/formatter"
@@ -133,49 +134,4 @@ module Utils
     suffix = (count == 1) ? singular : plural
     "#{stem}#{suffix}"
   end
-
-  # Converts the array to a comma-separated sentence where the last element is
-  # joined by the connector word.
-  #
-  # You can pass the following options to change the default behavior. If you
-  # pass an option key that doesn't exist in the list below, it will raise an
-  # <tt>ArgumentError</tt>.
-  #
-  # ==== Options
-  #
-  # * <tt>:words_connector</tt> - The sign or word used to join all but the last
-  #   element in arrays with three or more elements (default: ", ").
-  # * <tt>:last_word_connector</tt> - The sign or word used to join the last element
-  #   in arrays with three or more elements (default: ", and ").
-  # * <tt>:two_words_connector</tt> - The sign or word used to join the elements
-  #   in arrays with two elements (default: " and ").
-  #
-  # ==== Examples
-  #
-  #   [].to_sentence                      # => ""
-  #   ['one'].to_sentence                 # => "one"
-  #   ['one', 'two'].to_sentence          # => "one and two"
-  #   ['one', 'two', 'three'].to_sentence # => "one, two, and three"
-  #
-  #   ['one', 'two'].to_sentence(two_words_connector: '-')
-  #   # => "one-two"
-  #
-  #   ['one', 'two', 'three'].to_sentence(words_connector: ' or ', last_word_connector: ' or at least ')
-  #   # => "one or two or at least three"
-  sig {
-    params(array: T::Array[String], words_connector: String, two_words_connector: String, last_word_connector: String)
-      .returns(String)
-  }
-  def self.to_sentence(array, words_connector: ", ", two_words_connector: " and ", last_word_connector: ", and ")
-    case array.length
-    when 0
-      +""
-    when 1
-      +(array[0]).to_s
-    when 2
-      +"#{array[0]}#{two_words_connector}#{array[1]}"
-    else
-      +"#{array[0...-1].join(words_connector)}#{last_word_connector}#{array[-1]}"
-    end
-  end
 end
diff --git a/Library/Homebrew/utils/array.rb b/Library/Homebrew/utils/array.rb
new file mode 100644
index 0000000000..7fad9154a9
--- /dev/null
+++ b/Library/Homebrew/utils/array.rb
@@ -0,0 +1,53 @@
+# typed: strict
+# frozen_string_literal: true
+
+module Utils
+  extend T::Sig
+
+  # Converts the array to a comma-separated sentence where the last element is
+  # joined by the connector word.
+  #
+  # You can pass the following options to change the default behavior. If you
+  # pass an option key that doesn't exist in the list below, it will raise an
+  # <tt>ArgumentError</tt>.
+  #
+  # ==== Options
+  #
+  # * <tt>:words_connector</tt> - The sign or word used to join all but the last
+  #   element in arrays with three or more elements (default: ", ").
+  # * <tt>:last_word_connector</tt> - The sign or word used to join the last element
+  #   in arrays with three or more elements (default: ", and ").
+  # * <tt>:two_words_connector</tt> - The sign or word used to join the elements
+  #   in arrays with two elements (default: " and ").
+  #
+  # ==== Examples
+  #
+  #   [].to_sentence                      # => ""
+  #   ['one'].to_sentence                 # => "one"
+  #   ['one', 'two'].to_sentence          # => "one and two"
+  #   ['one', 'two', 'three'].to_sentence # => "one, two, and three"
+  #
+  #   ['one', 'two'].to_sentence(two_words_connector: '-')
+  #   # => "one-two"
+  #
+  #   ['one', 'two', 'three'].to_sentence(words_connector: ' or ', last_word_connector: ' or at least ')
+  #   # => "one or two or at least three"
+  # @see https://github.com/rails/rails/blob/v6.1.7.2/activesupport/lib/active_support/core_ext/array/conversions.rb#L10-L85
+  #   ActiveSupport implementation
+  sig {
+    params(array: T::Array[String], words_connector: String, two_words_connector: String, last_word_connector: String)
+      .returns(String)
+  }
+  def self.to_sentence(array, words_connector: ", ", two_words_connector: " and ", last_word_connector: ", and ")
+    case array.length
+    when 0
+      +""
+    when 1
+      +(array[0]).to_s
+    when 2
+      +"#{array[0]}#{two_words_connector}#{array[1]}"
+    else
+      +"#{array[0...-1].join(words_connector)}#{last_word_connector}#{array[-1]}"
+    end
+  end
+end