diff --git a/Library/Homebrew/cask/migrator.rb b/Library/Homebrew/cask/migrator.rb
index d850627706..1c3d9f4f20 100644
--- a/Library/Homebrew/cask/migrator.rb
+++ b/Library/Homebrew/cask/migrator.rb
@@ -6,8 +6,6 @@ require "utils/inreplace"
 
 module Cask
   class Migrator
-    extend ::Utils::Inreplace
-
     attr_reader :old_cask, :new_cask
 
     sig { params(old_cask: Cask, new_cask: Cask).void }
@@ -74,7 +72,7 @@ module Cask
     def self.replace_caskfile_token(path, old_token, new_token)
       case path.extname
       when ".rb"
-        inreplace path, /\A\s*cask\s+"#{Regexp.escape(old_token)}"/, "cask #{new_token.inspect}"
+        ::Utils::Inreplace.inreplace path, /\A\s*cask\s+"#{Regexp.escape(old_token)}"/, "cask #{new_token.inspect}"
       when ".json"
         json = JSON.parse(path.read)
         json["token"] = new_token
diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index 89ccd99d6a..44240c9d9a 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -59,7 +59,6 @@ require "extend/api_hashable"
 # end</pre>
 class Formula
   include FileUtils
-  include Utils::Inreplace
   include Utils::Shebang
   include Utils::Shell
   include Context
@@ -2560,10 +2559,11 @@ class Formula
       before:       T.nilable(T.any(Pathname, Regexp, String)),
       after:        T.nilable(T.any(Pathname, String, Symbol)),
       audit_result: T::Boolean,
+      block:        T.nilable(T.proc.params(s: StringInreplaceExtension).void),
     ).void
   }
-  def inreplace(paths, before = nil, after = nil, audit_result = true) # rubocop:disable Style/OptionalBooleanParameter
-    super(paths, before, after, audit_result)
+  def inreplace(paths, before = nil, after = nil, audit_result = true, &block) # rubocop:disable Style/OptionalBooleanParameter
+    Utils::Inreplace.inreplace(paths, before, after, audit_result: audit_result, &block)
   rescue Utils::Inreplace::Error => e
     onoe e.to_s
     raise BuildError.new(self, "inreplace", Array(paths), {})
diff --git a/Library/Homebrew/test/formula_spec.rb b/Library/Homebrew/test/formula_spec.rb
index 5f4a6765d4..eabdc075b2 100644
--- a/Library/Homebrew/test/formula_spec.rb
+++ b/Library/Homebrew/test/formula_spec.rb
@@ -464,6 +464,26 @@ describe Formula do
 
       expect { f.inreplace([]) }.to raise_error(BuildError)
     end
+
+    specify "replaces text in file" do
+      file = Tempfile.new("test")
+      File.binwrite(file, <<~EOS)
+        ab
+        bc
+        cd
+      EOS
+      f = formula do
+        url "https://brew.sh/test-1.0.tbz"
+      end
+      f.inreplace(file.path) do |s|
+        s.gsub!("bc", "yz")
+      end
+      expect(File.binread(file)).to eq <<~EOS
+        ab
+        yz
+        cd
+      EOS
+    end
   end
 
   describe "::installed_with_alias_path" do
diff --git a/Library/Homebrew/utils/inreplace.rb b/Library/Homebrew/utils/inreplace.rb
index 5f51f78169..648aebeb93 100644
--- a/Library/Homebrew/utils/inreplace.rb
+++ b/Library/Homebrew/utils/inreplace.rb
@@ -18,8 +18,6 @@ module Utils
       end
     end
 
-    module_function
-
     # Sometimes we have to change a bit before we install. Mostly we
     # prefer a patch, but if you need the {Formula#prefix prefix} of
     # this formula in the patch you have to resort to `inreplace`,
@@ -43,9 +41,10 @@ module Utils
         before:       T.nilable(T.any(Pathname, Regexp, String)),
         after:        T.nilable(T.any(Pathname, String, Symbol)),
         audit_result: T::Boolean,
+        block:        T.nilable(T.proc.params(s: StringInreplaceExtension).void),
       ).void
     }
-    def inreplace(paths, before = nil, after = nil, audit_result = true) # rubocop:disable Style/OptionalBooleanParameter
+    def self.inreplace(paths, before = nil, after = nil, audit_result: true, &block)
       paths = Array(paths)
       after &&= after.to_s
       before = before.to_s if before.is_a?(Pathname)
@@ -59,6 +58,8 @@ module Utils
         s = StringInreplaceExtension.new(str)
 
         if before.nil? && after.nil?
+          raise ArgumentError, "Must supply a block or before/after params" unless block
+
           yield s
         else
           s.gsub!(T.must(before), T.must(after), audit_result)
@@ -73,7 +74,7 @@ module Utils
     end
 
     # @api private
-    def inreplace_pairs(path, replacement_pairs, read_only_run: false, silent: false)
+    def self.inreplace_pairs(path, replacement_pairs, read_only_run: false, silent: false)
       str = File.binread(path)
       contents = StringInreplaceExtension.new(str)
       replacement_pairs.each do |old, new|
diff --git a/Library/Homebrew/utils/inreplace.rbi b/Library/Homebrew/utils/inreplace.rbi
deleted file mode 100644
index 02542091d2..0000000000
--- a/Library/Homebrew/utils/inreplace.rbi
+++ /dev/null
@@ -1,7 +0,0 @@
-# typed: strict
-
-module Utils
-  module Inreplace
-    include Kernel
-  end
-end