diff --git a/Library/Homebrew/cask/artifact/moved.rb b/Library/Homebrew/cask/artifact/moved.rb
index 7a98a9161b272..b8be1ecd6907a 100644
--- a/Library/Homebrew/cask/artifact/moved.rb
+++ b/Library/Homebrew/cask/artifact/moved.rb
@@ -86,7 +86,7 @@ def move(adopt: false, force: false, verbose: false, predecessor: nil, reinstall
               end
 
               # Remove the source as we don't need to move it to the target location
-              source.rmtree
+              FileUtils.rm_r(source)
 
               return post_move(command)
             end
@@ -112,14 +112,14 @@ def move(adopt: false, force: false, verbose: false, predecessor: nil, reinstall
                                     sudo: true)
           end
           Quarantine.copy_xattrs(source, target, command:)
-          source.rmtree
+          FileUtils.rm_r(source)
         elsif target.dirname.writable?
           FileUtils.move(source, target)
         else
           # default sudo user isn't necessarily able to write to Homebrew's locations
           # e.g. with runas_default set in the sudoers (5) file.
           command.run!("/bin/cp", args: ["-pR", source, target], sudo: true)
-          source.rmtree
+          FileUtils.rm_r(source)
         end
 
         post_move(command)
diff --git a/Library/Homebrew/cask/dsl.rb b/Library/Homebrew/cask/dsl.rb
index 32021a702c1b7..bb5d36cf7ec44 100644
--- a/Library/Homebrew/cask/dsl.rb
+++ b/Library/Homebrew/cask/dsl.rb
@@ -411,7 +411,7 @@ def caveats(*strings, &block)
     end
 
     def discontinued?
-      odeprecated "`discontinued?`", "`deprecated?` or `disabled?`"
+      odisabled "`discontinued?`", "`deprecated?` or `disabled?`"
       @caveats&.discontinued? == true
     end
 
diff --git a/Library/Homebrew/cask/dsl/caveats.rb b/Library/Homebrew/cask/dsl/caveats.rb
index 5872cb79108eb..cd27bf0776038 100644
--- a/Library/Homebrew/cask/dsl/caveats.rb
+++ b/Library/Homebrew/cask/dsl/caveats.rb
@@ -164,7 +164,7 @@ def eval_caveats(&block)
       end
 
       caveat :discontinued do
-        odeprecated "`caveats :discontinued`", "`deprecate!`"
+        odisabled "`caveats :discontinued`", "`deprecate!`"
         @discontinued = true
         <<~EOS
           #{@cask} has been officially discontinued upstream.
diff --git a/Library/Homebrew/cask/installer.rb b/Library/Homebrew/cask/installer.rb
index 1b5433dae1dc3..6877f13ee651c 100644
--- a/Library/Homebrew/cask/installer.rb
+++ b/Library/Homebrew/cask/installer.rb
@@ -399,7 +399,7 @@ def save_caskfile
 
       extension = @cask.loaded_from_api? ? "json" : "rb"
       (metadata_subdir/"#{@cask.token}.#{extension}").write @cask.source
-      old_savedir&.rmtree
+      FileUtils.rm_r(old_savedir) if old_savedir
     end
 
     def save_config_file
@@ -454,8 +454,8 @@ def backup
     def restore_backup
       return if !backup_path.directory? || !backup_metadata_path.directory?
 
-      @cask.staged_path.rmtree if @cask.staged_path.exist?
-      @cask.metadata_versioned_path.rmtree if @cask.metadata_versioned_path.exist?
+      FileUtils.rm_r(@cask.staged_path) if @cask.staged_path.exist?
+      FileUtils.rm_r(@cask.metadata_versioned_path) if @cask.metadata_versioned_path.exist?
 
       backup_path.rename @cask.staged_path
       backup_metadata_path.rename @cask.metadata_versioned_path
diff --git a/Library/Homebrew/cask/utils.rb b/Library/Homebrew/cask/utils.rb
index f401e4a5e3be8..dff67823d8286 100644
--- a/Library/Homebrew/cask/utils.rb
+++ b/Library/Homebrew/cask/utils.rb
@@ -47,7 +47,7 @@ def self.gain_permissions_remove(path, command: SystemCommand)
       gain_permissions(path, permission_flags, command) do |p|
         if p.parent.writable?
           if directory
-            p.rmtree
+            FileUtils.rm_r p
           else
             FileUtils.rm_f p
           end
diff --git a/Library/Homebrew/cleanup.rb b/Library/Homebrew/cleanup.rb
index 6122abaf45d14..0cda61fb8bb4d 100644
--- a/Library/Homebrew/cleanup.rb
+++ b/Library/Homebrew/cleanup.rb
@@ -372,7 +372,7 @@ def cleanup_logs
       logs_days = [days, CLEANUP_DEFAULT_DAYS].min
 
       HOMEBREW_LOGS.subdirs.each do |dir|
-        cleanup_path(dir) { dir.rmtree } if self.class.prune?(dir, logs_days)
+        cleanup_path(dir) { FileUtils.rm_r(dir) } if self.class.prune?(dir, logs_days)
       end
     end
 
@@ -518,7 +518,7 @@ def cleanup_portable_ruby
       end
 
       portable_rubies_to_remove.each do |portable_ruby|
-        cleanup_path(portable_ruby) { portable_ruby.rmtree }
+        cleanup_path(portable_ruby) { FileUtils.rm_r(portable_ruby) }
       end
     end
 
@@ -531,7 +531,7 @@ def cleanup_bootsnap
       return unless bootsnap.directory?
 
       bootsnap.each_child do |subdir|
-        cleanup_path(subdir) { subdir.rmtree } if subdir.basename.to_s != Homebrew.bootsnap_key
+        cleanup_path(subdir) { FileUtils.rm_r(subdir) } if subdir.basename.to_s != Homebrew.bootsnap_key
       end
     end
 
diff --git a/Library/Homebrew/cli/parser.rb b/Library/Homebrew/cli/parser.rb
index 13bc524901ea3..3d9e6553e1ff6 100644
--- a/Library/Homebrew/cli/parser.rb
+++ b/Library/Homebrew/cli/parser.rb
@@ -166,11 +166,11 @@ def initialize(cmd = nil, &block)
           @command_name = T.let(T.must(cmd_location.label).chomp("_args").tr("_", "-"), String)
           @is_dev_cmd = T.let(T.must(cmd_location.absolute_path).start_with?(Commands::HOMEBREW_DEV_CMD_PATH),
                               T::Boolean)
-          # odeprecated(
-          #   "`brew #{@command_name}'. This command needs to be refactored, as it is written in a style that",
-          #   "inheritance from `Homebrew::AbstractCommand' ( see https://docs.brew.sh/External-Commands )",
-          #   disable_for_developers: false,
-          # )
+          odeprecated(
+            "`brew #{@command_name}'. This command needs to be refactored, as it is written in a style that",
+            "inherits from `Homebrew::AbstractCommand' ( see https://docs.brew.sh/External-Commands )",
+            disable_for_developers: false,
+          )
         end
 
         @constraints = T.let([], T::Array[[String, String]])
diff --git a/Library/Homebrew/cmd/update-report.rb b/Library/Homebrew/cmd/update-report.rb
index 46891ec815f57..dd22f475f6ab6 100644
--- a/Library/Homebrew/cmd/update-report.rb
+++ b/Library/Homebrew/cmd/update-report.rb
@@ -432,11 +432,11 @@ def initialize(tap, api_names_txt: nil, api_names_before_txt: nil, api_dir_prefi
       @api_names_before_txt = api_names_before_txt
       @api_dir_prefix = api_dir_prefix
     else
-      initial_revision_var = "HOMEBREW_UPDATE_BEFORE#{tap.repo_var_suffix}"
+      initial_revision_var = "HOMEBREW_UPDATE_BEFORE#{tap.repository_var_suffix}"
       @initial_revision = ENV[initial_revision_var].to_s
       raise ReporterRevisionUnsetError, initial_revision_var if @initial_revision.empty?
 
-      current_revision_var = "HOMEBREW_UPDATE_AFTER#{tap.repo_var_suffix}"
+      current_revision_var = "HOMEBREW_UPDATE_AFTER#{tap.repository_var_suffix}"
       @current_revision = ENV[current_revision_var].to_s
       raise ReporterRevisionUnsetError, current_revision_var if @current_revision.empty?
     end
diff --git a/Library/Homebrew/cmd/update.sh b/Library/Homebrew/cmd/update.sh
index fe3b64b6cbad9..2bf3bb32722a2 100644
--- a/Library/Homebrew/cmd/update.sh
+++ b/Library/Homebrew/cmd/update.sh
@@ -82,18 +82,18 @@ git_init_if_necessary() {
   fi
 }
 
-repo_var_suffix() {
-  local repo_dir="${1}"
-  local repo_var_suffix
+repository_var_suffix() {
+  local repository_directory="${1}"
+  local repository_var_suffix
 
-  if [[ "${repo_dir}" == "${HOMEBREW_REPOSITORY}" ]]
+  if [[ "${repository_directory}" == "${HOMEBREW_REPOSITORY}" ]]
   then
-    repo_var_suffix=""
+    repository_var_suffix=""
   else
-    repo_var_suffix="${repo_dir#"${HOMEBREW_LIBRARY}/Taps"}"
-    repo_var_suffix="$(echo -n "${repo_var_suffix}" | tr -C "A-Za-z0-9" "_" | tr "[:lower:]" "[:upper:]")"
+    repository_var_suffix="${repository_directory#"${HOMEBREW_LIBRARY}/Taps"}"
+    repository_var_suffix="$(echo -n "${repository_var_suffix}" | tr -C "A-Za-z0-9" "_" | tr "[:lower:]" "[:upper:]")"
   fi
-  echo "${repo_var_suffix}"
+  echo "${repository_var_suffix}"
 }
 
 upstream_branch() {
@@ -592,7 +592,7 @@ EOS
       echo "Checking if we need to fetch ${DIR}..."
     fi
 
-    TAP_VAR="$(repo_var_suffix "${DIR}")"
+    TAP_VAR="$(repository_var_suffix "${DIR}")"
     UPSTREAM_BRANCH_DIR="$(upstream_branch)"
     declare UPSTREAM_BRANCH"${TAP_VAR}"="${UPSTREAM_BRANCH_DIR}"
     declare PREFETCH_REVISION"${TAP_VAR}"="$(git rev-parse -q --verify refs/remotes/origin/"${UPSTREAM_BRANCH_DIR}")"
@@ -778,7 +778,7 @@ EOS
       continue
     fi
 
-    TAP_VAR="$(repo_var_suffix "${DIR}")"
+    TAP_VAR="$(repository_var_suffix "${DIR}")"
     UPSTREAM_BRANCH_VAR="UPSTREAM_BRANCH${TAP_VAR}"
     UPSTREAM_BRANCH="${!UPSTREAM_BRANCH_VAR}"
     CURRENT_REVISION="$(read_current_revision)"
diff --git a/Library/Homebrew/cmd/upgrade.rb b/Library/Homebrew/cmd/upgrade.rb
index 54da623d0feb5..c2dfb656f9bb9 100644
--- a/Library/Homebrew/cmd/upgrade.rb
+++ b/Library/Homebrew/cmd/upgrade.rb
@@ -61,10 +61,6 @@ class UpgradeCmd < AbstractCommand
                          "formula is outdated. Otherwise, the repository's HEAD will only be checked for " \
                          "updates when a new stable or development version has been released.",
           }],
-          [:switch, "--ignore-pinned", {
-            description: "Set a successful exit status even if pinned formulae are not upgraded.",
-            hidden:      true,
-          }],
           [:switch, "--keep-tmp", {
             description: "Retain the temporary files created during installation.",
           }],
@@ -124,9 +120,6 @@ class UpgradeCmd < AbstractCommand
 
       sig { override.void }
       def run
-        # Disabled since this is now the default behavior.
-        odisabled "`brew upgrade --ignore-pinned`" if args.ignore_pinned?
-
         formulae, casks = args.named.to_resolved_formulae_to_casks
         # If one or more formulae are specified, but no casks were
         # specified, we want to make note of that so we don't
diff --git a/Library/Homebrew/dev-cmd/bump-cask-pr.rb b/Library/Homebrew/dev-cmd/bump-cask-pr.rb
index 1f42fda187c9d..52cd7b1ddb576 100644
--- a/Library/Homebrew/dev-cmd/bump-cask-pr.rb
+++ b/Library/Homebrew/dev-cmd/bump-cask-pr.rb
@@ -27,8 +27,6 @@ class BumpCaskPr < AbstractCommand
                             "to the cask file."
         switch "--no-audit",
                description: "Don't run `brew audit` before opening the PR."
-        switch "--online",
-               hidden:      true
         switch "--no-style",
                description: "Don't run `brew style --fix` before opening the PR."
         switch "--no-browse",
@@ -60,8 +58,6 @@ class BumpCaskPr < AbstractCommand
 
       sig { override.void }
       def run
-        odisabled "brew bump-cask-pr --online" if args.online?
-
         # This will be run by `brew audit` or `brew style` later so run it first to
         # not start spamming during normal output.
         gem_groups = []
diff --git a/Library/Homebrew/dev-cmd/bump-formula-pr.rb b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
index 12a4a636adf23..5f93b441a367f 100644
--- a/Library/Homebrew/dev-cmd/bump-formula-pr.rb
+++ b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
@@ -507,10 +507,6 @@ def check_throttle(formula, new_version)
         return if tap.nil?
 
         throttled_rate = formula.livecheck.throttle
-        throttled_rate ||= if (rate = tap.audit_exceptions.dig(:throttled_formulae, formula.name))
-          odisabled "throttled_formulae.json", "Livecheck#throttle"
-          rate
-        end
         return if throttled_rate.blank?
 
         formula_suffix = Version.new(new_version).patch.to_i
diff --git a/Library/Homebrew/dev-cmd/prof.rb b/Library/Homebrew/dev-cmd/prof.rb
index 4965b8d6220ec..f2ec8555b5c38 100644
--- a/Library/Homebrew/dev-cmd/prof.rb
+++ b/Library/Homebrew/dev-cmd/prof.rb
@@ -41,7 +41,6 @@ def run
         Homebrew.setup_gem_environment!
 
         if args.stackprof?
-          # odeprecated. vernier is better in every way
           with_env HOMEBREW_STACKPROF: "1" do
             system(*HOMEBREW_RUBY_EXEC_ARGS, brew_rb, *args.named)
           end
diff --git a/Library/Homebrew/dev-cmd/tap-new.rb b/Library/Homebrew/dev-cmd/tap-new.rb
index aeda5d721cd31..b8356898f10de 100644
--- a/Library/Homebrew/dev-cmd/tap-new.rb
+++ b/Library/Homebrew/dev-cmd/tap-new.rb
@@ -39,17 +39,17 @@ def run
         odie "Tap is already installed!" if tap.installed?
 
         titleized_user = tap.user.dup
-        titleized_repo = tap.repo.dup
+        titleized_repository = tap.repository.dup
         titleized_user[0] = titleized_user[0].upcase
-        titleized_repo[0] = titleized_repo[0].upcase
-        root_url = GitHubPackages.root_url(tap.user, "homebrew-#{tap.repo}") if args.github_packages?
+        titleized_repository[0] = titleized_repository[0].upcase
+        root_url = GitHubPackages.root_url(tap.user, "homebrew-#{tap.repository}") if args.github_packages?
 
         (tap.path/"Formula").mkpath
 
         # FIXME: https://github.com/errata-ai/vale/issues/818
         # <!-- vale off -->
         readme = <<~MARKDOWN
-          # #{titleized_user} #{titleized_repo}
+          # #{titleized_user} #{titleized_repository}
 
           ## How do I install these formulae?
 
diff --git a/Library/Homebrew/diagnostic.rb b/Library/Homebrew/diagnostic.rb
index a2507d200a5ee..6b63ac93aee05 100644
--- a/Library/Homebrew/diagnostic.rb
+++ b/Library/Homebrew/diagnostic.rb
@@ -560,7 +560,7 @@ def check_tap_git_branch
 
       def check_deprecated_official_taps
         tapped_deprecated_taps =
-          Tap.select(&:official?).map(&:repo) & DEPRECATED_OFFICIAL_TAPS
+          Tap.select(&:official?).map(&:repository) & DEPRECATED_OFFICIAL_TAPS
         return if tapped_deprecated_taps.empty?
 
         <<~EOS
diff --git a/Library/Homebrew/download_strategy.rb b/Library/Homebrew/download_strategy.rb
index 9a895611b8d3c..9f9bb1135f5bf 100644
--- a/Library/Homebrew/download_strategy.rb
+++ b/Library/Homebrew/download_strategy.rb
@@ -76,13 +76,6 @@ def quiet!
     @quiet = true
   end
 
-  # Disable any output during downloading.
-  sig { void }
-  def shutup!
-    odisabled "`AbstractDownloadStrategy#shutup!`", "`AbstractDownloadStrategy#quiet!`"
-    quiet!
-  end
-
   def quiet?
     Context.current.quiet? || @quiet
   end
diff --git a/Library/Homebrew/exceptions.rb b/Library/Homebrew/exceptions.rb
index 7b3158f347e57..baede0cbc3f48 100644
--- a/Library/Homebrew/exceptions.rb
+++ b/Library/Homebrew/exceptions.rb
@@ -218,12 +218,12 @@ def initialize(name, error)
 
 # Raised when a formula in a specific tap is unavailable.
 class TapFormulaUnavailableError < FormulaUnavailableError
-  attr_reader :tap, :user, :repo
+  attr_reader :tap, :user, :repository
 
   def initialize(tap, name)
     @tap = tap
     @user = tap.user
-    @repo = tap.repo
+    @repository = tap.repository
     super "#{tap}/#{name}"
   end
 
diff --git a/Library/Homebrew/extend/kernel.rb b/Library/Homebrew/extend/kernel.rb
index 90481e28bc324..e248325ac0b1c 100644
--- a/Library/Homebrew/extend/kernel.rb
+++ b/Library/Homebrew/extend/kernel.rb
@@ -156,7 +156,7 @@ def odeprecated(method, replacement = nil,
 
       require "tap"
 
-      tap = Tap.fetch(match[:user], match[:repo])
+      tap = Tap.fetch(match[:user], match[:repository])
       tap_message = +"\nPlease report this issue to the #{tap.full_name} tap"
       tap_message += " (not Homebrew/brew or Homebrew/homebrew-core)" unless tap.official?
       tap_message += ", or even better, submit a PR to fix it" if replacement
diff --git a/Library/Homebrew/extend/pathname.rb b/Library/Homebrew/extend/pathname.rb
index 1f8cd606dd87c..0df8d17dd43e1 100644
--- a/Library/Homebrew/extend/pathname.rb
+++ b/Library/Homebrew/extend/pathname.rb
@@ -509,7 +509,7 @@ def rmtree(noop: nil, verbose: nil, secure: nil)
     # create a RuboCop autocorrect instead soon.
     # This is why monkeypatching is non-ideal (but right solution to get
     # Ruby 3.3 over the line).
-    # odeprecated "rmtree", "FileUtils#rm_r"
+    odeprecated "rmtree", "FileUtils#rm_r"
     FileUtils.rm_r(@path, noop:, verbose:, secure:)
     nil
   end
diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index 48749f0ac3186..74ab4a987bdb0 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -1234,7 +1234,7 @@ def with_logging(log_type)
   #
   # @see https://www.unix.com/man-page/all/5/plist/ <code>plist(5)</code> man page
   def plist
-    odeprecated "`Formula#plist`", "`Homebrew::Service`"
+    odisabled "`Formula#plist`", "`Homebrew::Service`"
     nil
   end
 
@@ -2777,12 +2777,12 @@ def on_system_blocks_exist?
     ).returns(Pathname)
   }
   def fetch(verify_download_integrity: true, timeout: nil, quiet: false)
-    # odeprecated "Formula#fetch", "Resource#fetch on Formula#resource"
+    odeprecated "Formula#fetch", "Resource#fetch on Formula#resource"
     active_spec.fetch(verify_download_integrity:, timeout:, quiet:)
   end
 
   def verify_download_integrity(filename)
-    # odeprecated "Formula#verify_download_integrity", "Resource#verify_download_integrity on Formula#resource"
+    odeprecated "Formula#verify_download_integrity", "Resource#verify_download_integrity on Formula#resource"
     active_spec.verify_download_integrity(filename)
   end
 
@@ -2887,8 +2887,8 @@ def install; end
   def inreplace(paths, before = nil, after = nil, old_audit_result = nil, audit_result: true, &block)
     # NOTE: must check for `#nil?` and not `#blank?`, or else `old_audit_result = false` will not call `odeprecated`.
     unless old_audit_result.nil?
-      # odeprecated "inreplace(paths, before, after, #{old_audit_result})",
-      #             "inreplace(paths, before, after, audit_result: #{old_audit_result})"
+      odeprecated "inreplace(paths, before, after, #{old_audit_result})",
+                  "inreplace(paths, before, after, audit_result: #{old_audit_result})"
       audit_result = old_audit_result
     end
     Utils::Inreplace.inreplace(paths, before, after, audit_result:, &block)
@@ -3749,7 +3749,7 @@ def resource(name, klass = Resource, &block)
     #
     # @api public
     def go_resource(name, &block)
-      odeprecated "`Formula.go_resource`", "Go modules"
+      odisabled "`Formula.go_resource`", "Go modules"
       specs.each { |spec| spec.go_resource(name, &block) }
     end
 
diff --git a/Library/Homebrew/formula_auditor.rb b/Library/Homebrew/formula_auditor.rb
index c19909e2f9199..db48a0ec3ebf4 100644
--- a/Library/Homebrew/formula_auditor.rb
+++ b/Library/Homebrew/formula_auditor.rb
@@ -948,7 +948,7 @@ def audit_reverse_migration
       problem <<~EOS
         #{formula.name} seems to be listed in tap_migrations.json!
         Please remove #{formula.name} from present tap & tap_migrations.json
-        before submitting it to Homebrew/homebrew-#{formula.tap.repo}.
+        before submitting it to Homebrew/homebrew-#{formula.tap.repository}.
       EOS
     end
 
diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index 587e3b70cf571..e09a55a8694a9 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -483,7 +483,7 @@ def install
         # any exceptions must leave us with nothing installed
         ignore_interrupts do
           begin
-            formula.prefix.rmtree if formula.prefix.directory?
+            FileUtils.rm_r(formula.prefix) if formula.prefix.directory?
           rescue Errno::EACCES, Errno::ENOTEMPTY
             odie <<~EOS
               Could not remove #{formula.prefix.basename} keg! Do so manually:
@@ -825,7 +825,7 @@ def install_dependency(dep, inherited_options)
     # dependency tree. In that case, don't generate an error, just move on.
     nil
   else
-    ignore_interrupts { tmp_keg.rmtree if tmp_keg&.directory? }
+    ignore_interrupts { FileUtils.rm_r(tmp_keg) if tmp_keg&.directory? }
   end
 
   sig { void }
@@ -1020,7 +1020,7 @@ def build
     ignore_interrupts do
       # any exceptions must leave us with nothing installed
       formula.update_head_version
-      formula.prefix.rmtree if formula.prefix.directory?
+      FileUtils.rm_r(formula.prefix) if formula.prefix.directory?
       formula.rack.rmdir_if_possible
     end
     raise e
diff --git a/Library/Homebrew/git_repository.rb b/Library/Homebrew/git_repository.rb
index c8c36e36c2ac8..f8d1dfc79d440 100644
--- a/Library/Homebrew/git_repository.rb
+++ b/Library/Homebrew/git_repository.rb
@@ -19,8 +19,13 @@ def initialize(pathname)
   def git_repository?
     pathname.join(".git").exist?
   end
-  # odeprecated: use git_repository? instead
-  alias git_repo? git_repository?
+
+  sig { returns(T::Boolean) }
+  def git_repo?
+    # delete this whole function when removing odisabled
+    odeprecated "GitRepository#git_repo?", "GitRepository#git_repository?"
+    git_repository?
+  end
 
   # Gets the URL of the Git origin remote.
   sig { returns(T.nilable(String)) }
@@ -31,7 +36,7 @@ def origin_url
   # Sets the URL of the Git origin remote.
   sig { params(origin: String).returns(T.nilable(T::Boolean)) }
   def origin_url=(origin)
-    return if !git_repo? || !Utils::Git.available?
+    return if !git_repository? || !Utils::Git.available?
 
     safe_system Utils::Git.git, "remote", "set-url", "origin", origin, chdir: pathname
   end
@@ -115,7 +120,7 @@ def to_s = pathname.to_s
 
   sig { params(args: T.untyped, safe: T::Boolean, err: T.nilable(Symbol)).returns(T.nilable(String)) }
   def popen_git(*args, safe: false, err: nil)
-    unless git_repo?
+    unless git_repository?
       return unless safe
 
       raise "Not a Git repository: #{pathname}"
diff --git a/Library/Homebrew/github_packages.rb b/Library/Homebrew/github_packages.rb
index 3af412251552c..a3cde6b1ec6db 100644
--- a/Library/Homebrew/github_packages.rb
+++ b/Library/Homebrew/github_packages.rb
@@ -123,11 +123,11 @@ def self.image_formula_name(formula_name)
   end
 
   def self.image_version_rebuild(version_rebuild)
-    return version_rebuild if version_rebuild.match?(VALID_OCI_TAG_REGEX)
+    unless version_rebuild.match?(VALID_OCI_TAG_REGEX)
+      raise ArgumentError, "GitHub Packages versions must match #{VALID_OCI_TAG_REGEX.source}!"
+    end
 
-    odisabled "GitHub Packages versions that do not match #{VALID_OCI_TAG_REGEX.source}",
-              "declaring a new `version` without these characters"
-    version_rebuild.gsub(INVALID_OCI_TAG_CHARS_REGEX, ".")
+    version_rebuild
   end
 
   private
diff --git a/Library/Homebrew/keg.rb b/Library/Homebrew/keg.rb
index d327846e13fd7..8cbe45ec603ce 100644
--- a/Library/Homebrew/keg.rb
+++ b/Library/Homebrew/keg.rb
@@ -268,7 +268,7 @@ def uninstall(raise_failures: false)
       LinkageCacheStore.new(path, db).delete!
     end
 
-    path.rmtree
+    FileUtils.rm_r(path)
     path.parent.rmdir_if_possible
     remove_opt_record if optlinked?
     remove_linked_keg_record if linked?
diff --git a/Library/Homebrew/language/go.rb b/Library/Homebrew/language/go.rb
index 6118ffc5bb312..2dc65920e5de4 100644
--- a/Library/Homebrew/language/go.rb
+++ b/Library/Homebrew/language/go.rb
@@ -14,7 +14,7 @@ module Go
     # e.g. `resource "github.com/foo/bar"`.
     sig { params(resources: T::Array[Resource], target: T.any(String, Pathname)).void }
     def self.stage_deps(resources, target)
-      odeprecated "`Language::Go.stage_deps`", "Go modules"
+      odisabled "`Language::Go.stage_deps`", "Go modules"
       if resources.empty?
         if Homebrew::EnvConfig.developer?
           odie "Tried to stage empty Language::Go resources array"
diff --git a/Library/Homebrew/os/linux.rb b/Library/Homebrew/os/linux.rb
index 7f5c32d85a15d..a70e9e70460a6 100644
--- a/Library/Homebrew/os/linux.rb
+++ b/Library/Homebrew/os/linux.rb
@@ -6,6 +6,13 @@
 module OS
   # Helper module for querying system information on Linux.
   module Linux
+    raise "Loaded OS::Linux on generic OS!" if ENV["HOMEBREW_TEST_GENERIC_OS"]
+
+    # This check is the only acceptable or necessary one in this file.
+    # rubocop:disable Homebrew/MoveToExtendOS
+    raise "Loaded OS::Linux on macOS!" if OS.mac?
+    # rubocop:enable Homebrew/MoveToExtendOS
+
     # Get the OS version.
     #
     # @api internal
@@ -50,71 +57,4 @@ def self.wsl_version
       end
     end
   end
-
-  # rubocop:disable Style/Documentation
-  module Mac
-    ::MacOS = OS::Mac
-
-    raise "Loaded OS::Linux on generic OS!" if ENV["HOMEBREW_TEST_GENERIC_OS"]
-
-    def self.version
-      odisabled "`MacOS.version` on Linux"
-      MacOSVersion::NULL
-    end
-
-    def self.full_version
-      odisabled "`MacOS.full_version` on Linux"
-      MacOSVersion::NULL
-    end
-
-    def self.languages
-      odisabled "`MacOS.languages` on Linux"
-      @languages ||= Array(ENV["LANG"]&.slice(/[a-z]+/)).uniq
-    end
-
-    def self.language
-      odisabled "`MacOS.language` on Linux"
-      languages.first
-    end
-
-    def self.sdk_root_needed?
-      odisabled "`MacOS.sdk_root_needed?` on Linux"
-      false
-    end
-
-    def self.sdk_path_if_needed(_version = nil)
-      odisabled "`MacOS.sdk_path_if_needed` on Linux"
-      nil
-    end
-
-    def self.sdk_path(_version = nil)
-      odisabled "`MacOS.sdk_path` on Linux"
-      nil
-    end
-
-    module Xcode
-      def self.version
-        odisabled "`MacOS::Xcode.version` on Linux"
-        ::Version::NULL
-      end
-
-      def self.installed?
-        odisabled "`MacOS::Xcode.installed?` on Linux"
-        false
-      end
-    end
-
-    module CLT
-      def self.version
-        odisabled "`MacOS::CLT.version` on Linux"
-        ::Version::NULL
-      end
-
-      def self.installed?
-        odisabled "`MacOS::CLT.installed?` on Linux"
-        false
-      end
-    end
-  end
-  # rubocop:enable Style/Documentation
 end
diff --git a/Library/Homebrew/os/mac.rb b/Library/Homebrew/os/mac.rb
index 3a65aeab2f744..c017622bc82b3 100644
--- a/Library/Homebrew/os/mac.rb
+++ b/Library/Homebrew/os/mac.rb
@@ -7,16 +7,19 @@
 require "os/mac/sdk"
 require "os/mac/keg"
 
-# TODO: remove this once the `MacOS` module is undefined on Linux
-require "simulate_system"
-
 module OS
   # Helper module for querying system information on macOS.
   module Mac
-    ::MacOS = OS::Mac
-
     raise "Loaded OS::Mac on generic OS!" if ENV["HOMEBREW_TEST_GENERIC_OS"]
 
+    # This check is the only acceptable or necessary one in this file.
+    # rubocop:disable Homebrew/MoveToExtendOS
+    raise "Loaded OS::Mac on Linux!" if OS.linux?
+    # rubocop:enable Homebrew/MoveToExtendOS
+
+    # Provide MacOS alias for backwards compatibility and nicer APIs.
+    ::MacOS = OS::Mac
+
     VERSION = ENV.fetch("HOMEBREW_MACOS_VERSION").chomp.freeze
     private_constant :VERSION
 
@@ -35,7 +38,6 @@ def self.version
     # @api internal
     sig { returns(MacOSVersion) }
     def self.full_version
-      odisabled "`MacOS.full_version` on Linux" if Homebrew::SimulateSystem.simulating_or_running_on_linux?
       @full_version ||= if (fake_macos = ENV.fetch("HOMEBREW_FAKE_MACOS", nil)) # for Portable Ruby building
         MacOSVersion.new(fake_macos)
       else
@@ -68,7 +70,6 @@ def self.preferred_perl_version
     end
 
     def self.languages
-      odisabled "`MacOS.languages` on Linux" if Homebrew::SimulateSystem.simulating_or_running_on_linux?
       return @languages if @languages
 
       os_langs = Utils.popen_read("defaults", "read", "-g", "AppleLanguages")
@@ -82,7 +83,6 @@ def self.languages
     end
 
     def self.language
-      odisabled "`MacOS.language` on Linux" if Homebrew::SimulateSystem.simulating_or_running_on_linux?
       languages.first
     end
 
@@ -93,7 +93,6 @@ def self.active_developer_dir
 
     sig { returns(T::Boolean) }
     def self.sdk_root_needed?
-      odisabled "`MacOS.sdk_root_needed?` on Linux" if Homebrew::SimulateSystem.simulating_or_running_on_linux?
       if MacOS::CLT.installed?
         # If there's no CLT SDK, return false
         return false unless MacOS::CLT.provides_sdk?
@@ -142,13 +141,11 @@ def self.sdk_for_formula(formula, version = nil, check_only_runtime_requirements
 
     # Returns the path to an SDK or nil, following the rules set by {sdk}.
     def self.sdk_path(version = nil)
-      odisabled "`MacOS.sdk_path` on Linux" if Homebrew::SimulateSystem.simulating_or_running_on_linux?
       s = sdk(version)
       s&.path
     end
 
     def self.sdk_path_if_needed(version = nil)
-      odisabled "`MacOS.sdk_path_if_needed` on Linux" if Homebrew::SimulateSystem.simulating_or_running_on_linux?
       # Prefer CLT SDK when both Xcode and the CLT are installed.
       # Expected results:
       # 1. On Xcode-only systems, return the Xcode SDK.
diff --git a/Library/Homebrew/os/mac/xcode.rb b/Library/Homebrew/os/mac/xcode.rb
index 1372a03ec6099..40e6c870be877 100644
--- a/Library/Homebrew/os/mac/xcode.rb
+++ b/Library/Homebrew/os/mac/xcode.rb
@@ -126,7 +126,6 @@ def self.bundle_path
 
       sig { returns(T::Boolean) }
       def self.installed?
-        odisabled "`MacOS::Xcode.installed?` on Linux" if Homebrew::SimulateSystem.simulating_or_running_on_linux?
         !prefix.nil?
       end
 
@@ -178,7 +177,6 @@ def self.update_instructions
       # @api internal
       sig { returns(::Version) }
       def self.version
-        odisabled "`MacOS::Xcode.version` on Linux" if Homebrew::SimulateSystem.simulating_or_running_on_linux?
         # may return a version string
         # that is guessed based on the compiler, so do not
         # use it in order to check if Xcode is installed.
@@ -278,7 +276,6 @@ module CLT
       # Returns true even if outdated tools are installed.
       sig { returns(T::Boolean) }
       def self.installed?
-        odisabled "`MacOS::CLT.installed?` on Linux" if Homebrew::SimulateSystem.simulating_or_running_on_linux?
         !version.null?
       end
 
@@ -423,7 +420,6 @@ def self.detect_version_from_clang_version
       # @api internal
       sig { returns(::Version) }
       def self.version
-        odisabled "`MacOS::CLT.version` on Linux" if Homebrew::SimulateSystem.simulating_or_running_on_linux?
         if @version ||= detect_version
           ::Version.new @version
         else
diff --git a/Library/Homebrew/reinstall.rb b/Library/Homebrew/reinstall.rb
index 3c21f7b2998f4..6e5ba2613144e 100644
--- a/Library/Homebrew/reinstall.rb
+++ b/Library/Homebrew/reinstall.rb
@@ -69,7 +69,7 @@ def self.reinstall_formula(
       raise
     else
       begin
-        backup_path(keg).rmtree if backup_path(keg).exist?
+        FileUtils.rm_r(backup_path(keg)) if backup_path(keg).exist?
       rescue Errno::EACCES, Errno::ENOTEMPTY
         odie <<~EOS
           Could not remove #{backup_path(keg).parent.basename} backup keg! Do so manually:
@@ -96,7 +96,7 @@ def self.restore_backup(keg, keg_was_linked, verbose:)
 
       return unless path.directory?
 
-      Pathname.new(keg).rmtree if keg.exist?
+      FileUtils.rm_r(Pathname.new(keg)) if keg.exist?
 
       path.rename keg
       keg.link(verbose:) if keg_was_linked
diff --git a/Library/Homebrew/software_spec.rb b/Library/Homebrew/software_spec.rb
index 5c4bd6f911c49..45106519bf474 100644
--- a/Library/Homebrew/software_spec.rb
+++ b/Library/Homebrew/software_spec.rb
@@ -154,7 +154,7 @@ def resource(name = T.unsafe(nil), klass = Resource, &block)
   end
 
   def go_resource(name, &block)
-    odeprecated "`SoftwareSpec#go_resource`", "Go modules"
+    odisabled "`SoftwareSpec#go_resource`", "Go modules"
     resource name, Resource::Go, &block
   end
 
diff --git a/Library/Homebrew/tap.rb b/Library/Homebrew/tap.rb
index dd78d0a97c3a5..88c3e18552c22 100644
--- a/Library/Homebrew/tap.rb
+++ b/Library/Homebrew/tap.rb
@@ -49,26 +49,26 @@ class InvalidNameError < ArgumentError; end
   # Fetch a {Tap} by name.
   #
   # @api public
-  sig { params(user: String, repo: String).returns(Tap) }
-  def self.fetch(user, repo = T.unsafe(nil))
-    user, repo = user.split("/", 2) if repo.nil?
+  sig { params(user: String, repository: String).returns(Tap) }
+  def self.fetch(user, repository = T.unsafe(nil))
+    user, repository = user.split("/", 2) if repository.nil?
 
-    if [user, repo].any? { |part| part.nil? || part.include?("/") }
-      raise InvalidNameError, "Invalid tap name: '#{[*user, *repo].join("/")}'"
+    if [user, repository].any? { |part| part.nil? || part.include?("/") }
+      raise InvalidNameError, "Invalid tap name: '#{[*user, *repository].join("/")}'"
     end
 
     user = T.must(user)
-    repo = T.must(repo)
+    repository = T.must(repository)
 
     # We special case homebrew and linuxbrew so that users don't have to shift in a terminal.
     user = user.capitalize if ["homebrew", "linuxbrew"].include?(user)
-    repo = repo.sub(HOMEBREW_OFFICIAL_REPO_PREFIXES_REGEX, "")
+    repository = repository.sub(HOMEBREW_OFFICIAL_REPO_PREFIXES_REGEX, "")
 
-    return CoreTap.instance if ["Homebrew", "Linuxbrew"].include?(user) && ["core", "homebrew"].include?(repo)
-    return CoreCaskTap.instance if user == "Homebrew" && repo == "cask"
+    return CoreTap.instance if ["Homebrew", "Linuxbrew"].include?(user) && ["core", "homebrew"].include?(repository)
+    return CoreCaskTap.instance if user == "Homebrew" && repository == "cask"
 
-    cache_key = "#{user}/#{repo}".downcase
-    cache.fetch(cache_key) { |key| cache[key] = new(user, repo) }
+    cache_key = "#{user}/#{repository}".downcase
+    cache.fetch(cache_key) { |key| cache[key] = new(user, repository) }
   end
 
   # Get a {Tap} from its path or a path inside of it.
@@ -79,9 +79,9 @@ def self.from_path(path)
 
     return unless match
     return unless (user = match[:user])
-    return unless (repo = match[:repo])
+    return unless (repository = match[:repository])
 
-    fetch(user, repo)
+    fetch(user, repository)
   end
 
   sig { params(name: String).returns(T.nilable([Tap, String])) }
@@ -89,13 +89,13 @@ def self.with_formula_name(name)
     return unless (match = name.match(HOMEBREW_TAP_FORMULA_REGEX))
 
     user = T.must(match[:user])
-    repo = T.must(match[:repo])
+    repository = T.must(match[:repository])
     name = T.must(match[:name])
 
     # Relative paths are not taps.
-    return if [user, repo].intersect?([".", ".."])
+    return if [user, repository].intersect?([".", ".."])
 
-    tap = fetch(user, repo)
+    tap = fetch(user, repository)
     [tap, name.downcase]
   end
 
@@ -104,13 +104,13 @@ def self.with_cask_token(token)
     return unless (match = token.match(HOMEBREW_TAP_CASK_REGEX))
 
     user = T.must(match[:user])
-    repo = T.must(match[:repo])
+    repository = T.must(match[:repository])
     token = T.must(match[:token])
 
     # Relative paths are not taps.
-    return if [user, repo].intersect?([".", ".."])
+    return if [user, repository].intersect?([".", ".."])
 
-    tap = fetch(user, repo)
+    tap = fetch(user, repository)
     [tap, token.downcase]
   end
 
@@ -157,8 +157,14 @@ def self.forbidden_taps
   #
   # @api public
   attr_reader :repository
-  # odeprecated: use repository instead.
-  alias repo repository
+
+  # @deprecated
+  sig { returns(T::Boolean) }
+  def repo
+    # delete this whole function when removing odisabled
+    odeprecated "Tap#repo", "Tap#repository"
+    repository
+  end
 
   # The name of this {Tap}. It combines {#user} and {#repository} with a slash.
   # {#name} is always in lowercase.
@@ -267,12 +273,20 @@ def remote
   #
   # @api public
   sig { returns(T.nilable(String)) }
-  def remote_repo
+  def remote_repository
     return unless (remote = self.remote)
 
-    @remote_repo ||= remote.delete_prefix("https://github.com/")
-                           .delete_prefix("git@github.com:")
-                           .delete_suffix(".git")
+    @remote_repository ||= remote.delete_prefix("https://github.com/")
+                                 .delete_prefix("git@github.com:")
+                                 .delete_suffix(".git")
+  end
+
+  # @deprecated
+  sig { returns(T.nilable(String)) }
+  def remote_repo
+    # delete this whole function when removing odisabled
+    odeprecated "Tap#remote_repo", "Tap#remote_repository"
+    remote_repository
   end
 
   # The default remote path to this {Tap}.
@@ -288,8 +302,14 @@ def repository_var_suffix
                                    .tr("^A-Za-z0-9", "_")
                                    .upcase
   end
-  # odeprecated: use repository_var_suffix instead.
-  alias repo_var_suffix repository_var_suffix
+
+  # @deprecated
+  sig { returns(String) }
+  def repo_var_suffix
+    # delete this whole function when removing odisabled
+    odeprecated "Tap#repo_var_suffix", "Tap#repository_var_suffix"
+    repository_var_suffix
+  end
 
   # Check whether this {Tap} is a Git repository.
   #
@@ -326,7 +346,7 @@ def git_last_commit
   end
 
   # The issues URL of this {Tap}.
-  # e.g. `https://github.com/user/homebrew-repo/issues`
+  # e.g. `https://github.com/user/homebrew-repository/issues`
   #
   # @api public
   sig { returns(T.nilable(String)) }
@@ -417,11 +437,11 @@ def install(quiet: false, clone_target: nil,
     require "descriptions"
     require "readall"
 
-    if official? && DEPRECATED_OFFICIAL_TAPS.include?(repo)
+    if official? && DEPRECATED_OFFICIAL_TAPS.include?(repository)
       odie "#{name} was deprecated. This tap is now empty and all its contents were either deleted or migrated."
     elsif user == "caskroom" || name == "phinze/cask"
-      new_repo = (repo == "cask") ? "cask" : "cask-#{repo}"
-      odie "#{name} was moved. Tap homebrew/#{new_repo} instead."
+      new_repository = (repository == "cask") ? "cask" : "cask-#{repository}"
+      odie "#{name} was moved. Tap homebrew/#{new_repository} instead."
     end
 
     raise TapNoCustomRemoteError, name if custom_remote && clone_target.nil?
@@ -618,7 +638,7 @@ def uninstall(manual: false)
     require "utils/link"
     Utils::Link.unlink_manpages(path)
     Utils::Link.unlink_completions(path)
-    path.rmtree
+    FileUtils.rm_r(path)
     path.parent.rmdir_if_possible
     $stderr.puts "Untapped#{formatted_contents} (#{abv})."
 
@@ -866,7 +886,7 @@ def to_hash
     hash = {
       "name"          => name,
       "user"          => user,
-      "repo"          => repo,
+      "repository"    => repository,
       "path"          => path.to_s,
       "installed"     => installed?,
       "official"      => official?,
@@ -1059,7 +1079,7 @@ def self.each(&block)
   # An array of all installed {Tap} names.
   sig { returns(T::Array[String]) }
   def self.names
-    odeprecated "`#{self}.names`"
+    odisabled "`#{self}.names`"
 
     map(&:name).sort
   end
@@ -1165,7 +1185,7 @@ def ensure_installed!
 
   sig { void }
   def self.ensure_installed!
-    odeprecated "`#{self}.ensure_installed!`", "`#{self}.instance.ensure_installed!`"
+    odisabled "`#{self}.ensure_installed!`", "`#{self}.instance.ensure_installed!`"
 
     instance.ensure_installed!
   end
@@ -1234,7 +1254,7 @@ def core_tap?
 
   sig { returns(T::Boolean) }
   def linuxbrew_core?
-    remote_repo.to_s.end_with?("/linuxbrew-core") || remote_repo == "Linuxbrew/homebrew-core"
+    remote_repository.to_s.end_with?("/linuxbrew-core") || remote_repository == "Linuxbrew/homebrew-core"
   end
 
   sig { returns(Pathname) }
diff --git a/Library/Homebrew/tap_constants.rb b/Library/Homebrew/tap_constants.rb
index f8a9d7f6dd8f4..fe2d73e7ef998 100644
--- a/Library/Homebrew/tap_constants.rb
+++ b/Library/Homebrew/tap_constants.rb
@@ -5,7 +5,7 @@
 HOMEBREW_TAP_FORMULA_NAME_REGEX = T.let(/(?<name>[\w+\-.@]+)/, Regexp)
 # Match taps' formulae, e.g. `someuser/sometap/someformula`.
 HOMEBREW_TAP_FORMULA_REGEX = T.let(
-  %r{\A(?<user>[^/]+)/(?<repo>[^/]+)/#{HOMEBREW_TAP_FORMULA_NAME_REGEX.source}\Z},
+  %r{\A(?<user>[^/]+)/(?<repository>[^/]+)/#{HOMEBREW_TAP_FORMULA_NAME_REGEX.source}\Z},
   Regexp,
 )
 # Match default formula taps' formulae, e.g. `homebrew/core/someformula` or `someformula`.
@@ -18,7 +18,7 @@
 HOMEBREW_TAP_CASK_TOKEN_REGEX = T.let(/(?<token>[\w+\-.@]+)/, Regexp)
 # Match taps' casks, e.g. `someuser/sometap/somecask`.
 HOMEBREW_TAP_CASK_REGEX = T.let(
-  %r{\A(?<user>[^/]+)/(?<repo>[^/]+)/#{HOMEBREW_TAP_CASK_TOKEN_REGEX.source}\Z},
+  %r{\A(?<user>[^/]+)/(?<repository>[^/]+)/#{HOMEBREW_TAP_CASK_TOKEN_REGEX.source}\Z},
   Regexp,
 )
 # Match default cask taps' casks, e.g. `homebrew/cask/somecask` or `somecask`.
@@ -29,7 +29,7 @@
 
 # Match taps' directory paths, e.g. `HOMEBREW_LIBRARY/Taps/someuser/sometap`.
 HOMEBREW_TAP_DIR_REGEX = T.let(
-  %r{#{Regexp.escape(HOMEBREW_LIBRARY.to_s)}/Taps/(?<user>[^/]+)/(?<repo>[^/]+)},
+  %r{#{Regexp.escape(HOMEBREW_LIBRARY.to_s)}/Taps/(?<user>[^/]+)/(?<repository>[^/]+)},
   Regexp,
 )
 # Match taps' formula paths, e.g. `HOMEBREW_LIBRARY/Taps/someuser/sometap/someformula`.
diff --git a/Library/Homebrew/test/cask/artifact/app_spec.rb b/Library/Homebrew/test/cask/artifact/app_spec.rb
index 95cc8d9a8b446..72f644cd45be1 100644
--- a/Library/Homebrew/test/cask/artifact/app_spec.rb
+++ b/Library/Homebrew/test/cask/artifact/app_spec.rb
@@ -239,7 +239,7 @@
     end
 
     it "gives a warning if the source doesn't exist" do
-      source_path.rmtree
+      FileUtils.rm_r(source_path)
 
       message = "It seems the App source '#{source_path}' is not there."
 
diff --git a/Library/Homebrew/test/cask/installer_spec.rb b/Library/Homebrew/test/cask/installer_spec.rb
index b81cdd2f8757b..2f407fc79a616 100644
--- a/Library/Homebrew/test/cask/installer_spec.rb
+++ b/Library/Homebrew/test/cask/installer_spec.rb
@@ -386,7 +386,7 @@ class #{Formulary.class_s(dep_name)} < Formula
         described_class.new(cask).forbidden_tap_check
       end.to raise_error(Cask::CaskCannotBeInstalledError, /from the #{dep_tap} tap but/)
     ensure
-      dep_path.parent.parent.rmtree
+      FileUtils.rm_r(dep_path.parent.parent)
     end
   end
 
diff --git a/Library/Homebrew/test/cask/uninstall_spec.rb b/Library/Homebrew/test/cask/uninstall_spec.rb
index 6fdf8b589871c..0bf718e1f2025 100644
--- a/Library/Homebrew/test/cask/uninstall_spec.rb
+++ b/Library/Homebrew/test/cask/uninstall_spec.rb
@@ -60,7 +60,7 @@
 
     expect(cask).to be_installed
 
-    cask.config.appdir.join("MyFancyApp.app").rmtree
+    FileUtils.rm_r(cask.config.appdir.join("MyFancyApp.app"))
 
     expect { described_class.uninstall_casks(cask) }
       .to raise_error(Cask::CaskError, /uninstall script .* does not exist/)
diff --git a/Library/Homebrew/test/cmd/reinstall_spec.rb b/Library/Homebrew/test/cmd/reinstall_spec.rb
index 2657b8eb62188..fd5690de263fa 100644
--- a/Library/Homebrew/test/cmd/reinstall_spec.rb
+++ b/Library/Homebrew/test/cmd/reinstall_spec.rb
@@ -11,7 +11,7 @@
     install_test_formula "testball"
     foo_dir = HOMEBREW_CELLAR/"testball/0.1/bin"
     expect(foo_dir).to exist
-    foo_dir.rmtree
+    FileUtils.rm_r(foo_dir)
 
     expect { brew "reinstall", "testball" }
       .to output(/Reinstalling testball/).to_stdout
diff --git a/Library/Homebrew/test/cmd/update-report_spec.rb b/Library/Homebrew/test/cmd/update-report_spec.rb
index bb7844084d17c..7f36c0d0e5b6f 100644
--- a/Library/Homebrew/test/cmd/update-report_spec.rb
+++ b/Library/Homebrew/test/cmd/update-report_spec.rb
@@ -15,8 +15,8 @@
         def initialize(tap)
           @tap = tap
 
-          ENV["HOMEBREW_UPDATE_BEFORE#{tap.repo_var_suffix}"] = "12345678"
-          ENV["HOMEBREW_UPDATE_AFTER#{tap.repo_var_suffix}"] = "abcdef00"
+          ENV["HOMEBREW_UPDATE_BEFORE#{tap.repository_var_suffix}"] = "12345678"
+          ENV["HOMEBREW_UPDATE_AFTER#{tap.repository_var_suffix}"] = "abcdef00"
 
           super
         end
@@ -94,7 +94,7 @@ def perform_update(fixture_name = "")
       end
 
       after do
-        tap.path.parent.rmtree
+        FileUtils.rm_r(tap.path.parent)
       end
 
       specify "with restructured Tap" do
diff --git a/Library/Homebrew/test/diagnostic_checks_spec.rb b/Library/Homebrew/test/diagnostic_checks_spec.rb
index f5fc3b0dc71e0..3e1d9c05639b3 100644
--- a/Library/Homebrew/test/diagnostic_checks_spec.rb
+++ b/Library/Homebrew/test/diagnostic_checks_spec.rb
@@ -71,11 +71,11 @@
     expect(checks.check_user_path_3)
       .to match("Homebrew's \"sbin\" was not found in your PATH")
   ensure
-    sbin.rmtree
+    FileUtils.rm_rf(sbin)
   end
 
   specify "#check_for_symlinked_cellar" do
-    HOMEBREW_CELLAR.rmtree
+    FileUtils.rm_r(HOMEBREW_CELLAR)
 
     mktmpdir do |path|
       FileUtils.ln_s path, HOMEBREW_CELLAR
diff --git a/Library/Homebrew/test/exceptions_spec.rb b/Library/Homebrew/test/exceptions_spec.rb
index 1ad4c18ab5cac..27d03c3239035 100644
--- a/Library/Homebrew/test/exceptions_spec.rb
+++ b/Library/Homebrew/test/exceptions_spec.rb
@@ -46,7 +46,7 @@
   describe TapFormulaOrCaskUnavailableError do
     subject(:error) { described_class.new(tap, "foo") }
 
-    let(:tap) { instance_double(Tap, user: "u", repo: "r", to_s: "u/r", installed?: false) }
+    let(:tap) { instance_double(Tap, user: "u", repository: "r", to_s: "u/r", installed?: false) }
 
     it(:to_s) { expect(error.to_s).to match(%r{Please tap it and then try again: brew tap u/r}) }
   end
@@ -88,7 +88,7 @@
   describe TapFormulaUnavailableError do
     subject(:error) { described_class.new(tap, "foo") }
 
-    let(:tap) { instance_double(Tap, user: "u", repo: "r", to_s: "u/r", installed?: false) }
+    let(:tap) { instance_double(Tap, user: "u", repository: "r", to_s: "u/r", installed?: false) }
 
     it(:to_s) { expect(error.to_s).to match(%r{Please tap it and then try again: brew tap u/r}) }
   end
diff --git a/Library/Homebrew/test/formula_installer_spec.rb b/Library/Homebrew/test/formula_installer_spec.rb
index d4b6284b3d1b7..d0b079efcfa9b 100644
--- a/Library/Homebrew/test/formula_installer_spec.rb
+++ b/Library/Homebrew/test/formula_installer_spec.rb
@@ -39,7 +39,7 @@ def temporary_install(formula, **options)
       keg.uninstall
       formula.clear_cache
       # there will be log files when sandbox is enable.
-      formula.logs.rmtree if formula.logs.directory?
+      FileUtils.rm_r(formula.logs) if formula.logs.directory?
     end
 
     expect(keg).not_to exist
@@ -288,7 +288,7 @@ class #{Formulary.class_s(f_name)} < Formula
         fi.forbidden_tap_check
       end.to raise_error(CannotInstallFormulaError, /has the tap #{f_tap}/)
     ensure
-      f_path.parent.parent.rmtree
+      FileUtils.rm_r(f_path.parent.parent)
     end
 
     it "raises on not allowed third-party tap on formula" do
@@ -311,7 +311,7 @@ class #{Formulary.class_s(f_name)} < Formula
         fi.forbidden_tap_check
       end.to raise_error(CannotInstallFormulaError, /has the tap #{f_tap}/)
     ensure
-      f_path.parent.parent.parent.rmtree
+      FileUtils.rm_r(f_path.parent.parent.parent)
     end
 
     it "does not raise on allowed tap on formula" do
@@ -332,7 +332,7 @@ class #{Formulary.class_s(f_name)} < Formula
 
       expect { fi.forbidden_tap_check }.not_to raise_error
     ensure
-      f_path.parent.parent.parent.rmtree
+      FileUtils.rm_r(f_path.parent.parent.parent)
     end
 
     it "raises on forbidden tap on dependency" do
@@ -366,7 +366,7 @@ class #{Formulary.class_s(f_name)} < Formula
         fi.forbidden_tap_check
       end.to raise_error(CannotInstallFormulaError, /from the #{dep_tap} tap but/)
     ensure
-      dep_path.parent.parent.rmtree
+      FileUtils.rm_r(dep_path.parent.parent)
     end
   end
 
diff --git a/Library/Homebrew/test/formula_spec.rb b/Library/Homebrew/test/formula_spec.rb
index bb1b9fd5c8e6d..7346b11226d40 100644
--- a/Library/Homebrew/test/formula_spec.rb
+++ b/Library/Homebrew/test/formula_spec.rb
@@ -63,8 +63,8 @@
     context "when in a Tap" do
       let(:tap) { Tap.fetch("foo", "bar") }
       let(:path) { (tap.path/"Formula/#{name}.rb") }
-      let(:full_name) { "#{tap.user}/#{tap.repo}/#{name}" }
-      let(:full_alias_name) { "#{tap.user}/#{tap.repo}/#{alias_name}" }
+      let(:full_name) { "#{tap.user}/#{tap.repository}/#{name}" }
+      let(:full_alias_name) { "#{tap.user}/#{tap.repository}/#{alias_name}" }
 
       specify "formula instantiation" do
         expect(f.name).to eq(name)
@@ -228,7 +228,7 @@
 
     alias_name = "bar"
     alias_path = tap.alias_dir/alias_name
-    full_alias_name = "#{tap.user}/#{tap.repo}/#{alias_name}"
+    full_alias_name = "#{tap.user}/#{tap.repository}/#{alias_name}"
     tap.alias_dir.mkpath
     FileUtils.ln_sf f.path, alias_path
 
@@ -1545,7 +1545,7 @@ def setup_tab_for_prefix(prefix, options = {})
         described_class.clear_cache
         expect(f.outdated_kegs(fetch_head: true)).not_to be_empty
 
-        head_prefix_a.rmtree
+        FileUtils.rm_r(head_prefix_a)
         described_class.clear_cache
         expect(f.outdated_kegs(fetch_head: true)).not_to be_empty
 
@@ -1553,7 +1553,7 @@ def setup_tab_for_prefix(prefix, options = {})
         described_class.clear_cache
         expect(f.outdated_kegs(fetch_head: true)).to be_empty
       ensure
-        testball_repo.rmtree if testball_repo.exist?
+        FileUtils.rm_r(testball_repo) if testball_repo.exist?
       end
     end
 
@@ -1632,7 +1632,7 @@ def setup_tab_for_prefix(prefix, options = {})
         expect(f.outdated_kegs).not_to be_empty
 
         described_class.clear_cache
-        head_prefix.rmtree
+        FileUtils.rm_r(head_prefix)
 
         setup_tab_for_prefix(head_prefix, versions: { "stable" => "1.0", "version_scheme" => 2 })
         expect(f.outdated_kegs).to be_empty
diff --git a/Library/Homebrew/test/keg_spec.rb b/Library/Homebrew/test/keg_spec.rb
index d7f6d804b66f7..ffac76b7f0961 100644
--- a/Library/Homebrew/test/keg_spec.rb
+++ b/Library/Homebrew/test/keg_spec.rb
@@ -47,7 +47,7 @@ def setup_test_keg(name, version)
     expect(keg).to be_a_directory
     expect(keg).not_to be_an_empty_installation
 
-    (keg/"bin").rmtree
+    FileUtils.rm_r(keg/"bin")
     expect(keg).to be_an_empty_installation
 
     (keg/"bin").mkpath
diff --git a/Library/Homebrew/test/migrator_spec.rb b/Library/Homebrew/test/migrator_spec.rb
index 8a1608f88d596..e84ca5fe7c4a7 100644
--- a/Library/Homebrew/test/migrator_spec.rb
+++ b/Library/Homebrew/test/migrator_spec.rb
@@ -87,7 +87,7 @@
   end
 
   specify "#backup_oldname_cellar" do
-    old_keg_record.parent.rmtree
+    FileUtils.rm_r(old_keg_record.parent)
     (new_keg_record/"bin").mkpath
 
     migrator.backup_oldname_cellar
diff --git a/Library/Homebrew/test/tap_spec.rb b/Library/Homebrew/test/tap_spec.rb
index a455b15cd74de..9c969e44b7be3 100644
--- a/Library/Homebrew/test/tap_spec.rb
+++ b/Library/Homebrew/test/tap_spec.rb
@@ -163,7 +163,7 @@ def setup_completion(link:)
 
   specify "attributes" do
     expect(homebrew_foo_tap.user).to eq("Homebrew")
-    expect(homebrew_foo_tap.repo).to eq("foo")
+    expect(homebrew_foo_tap.repository).to eq("foo")
     expect(homebrew_foo_tap.name).to eq("homebrew/foo")
     expect(homebrew_foo_tap.path).to eq(path)
     expect(homebrew_foo_tap).to be_installed
@@ -186,7 +186,7 @@ def setup_completion(link:)
     (HOMEBREW_TAP_DIRECTORY/"someone/homebrew-no-git").mkpath
     expect(described_class.fetch("someone", "no-git").issues_url).to be_nil
   ensure
-    path.parent.rmtree
+    FileUtils.rm_rf(path.parent)
   end
 
   specify "files" do
@@ -238,7 +238,7 @@ def setup_completion(link:)
     it "returns the remote https repository" do
       setup_git_repo
 
-      expect(homebrew_foo_tap.remote_repo).to eq("Homebrew/homebrew-foo")
+      expect(homebrew_foo_tap.remote_repository).to eq("Homebrew/homebrew-foo")
 
       services_tap = described_class.fetch("Homebrew", "services")
       services_tap.path.mkpath
@@ -246,13 +246,13 @@ def setup_completion(link:)
         system "git", "init"
         system "git", "remote", "add", "origin", "https://github.com/Homebrew/homebrew-bar"
       end
-      expect(services_tap.remote_repo).to eq("Homebrew/homebrew-bar")
+      expect(services_tap.remote_repository).to eq("Homebrew/homebrew-bar")
     end
 
     it "returns the remote ssh repository" do
       setup_git_repo
 
-      expect(homebrew_foo_tap.remote_repo).to eq("Homebrew/homebrew-foo")
+      expect(homebrew_foo_tap.remote_repository).to eq("Homebrew/homebrew-foo")
 
       services_tap = described_class.fetch("Homebrew", "services")
       services_tap.path.mkpath
@@ -260,17 +260,17 @@ def setup_completion(link:)
         system "git", "init"
         system "git", "remote", "add", "origin", "git@github.com:Homebrew/homebrew-bar"
       end
-      expect(services_tap.remote_repo).to eq("Homebrew/homebrew-bar")
+      expect(services_tap.remote_repository).to eq("Homebrew/homebrew-bar")
     end
 
     it "returns nil if the Tap is not a Git repository" do
-      expect(homebrew_foo_tap.remote_repo).to be_nil
+      expect(homebrew_foo_tap.remote_repository).to be_nil
     end
 
     it "returns nil if Git is not available" do
       setup_git_repo
       allow(Utils::Git).to receive(:available?).and_return(false)
-      expect(homebrew_foo_tap.remote_repo).to be_nil
+      expect(homebrew_foo_tap.remote_repository).to be_nil
     end
   end
 
@@ -412,8 +412,8 @@ def setup_completion(link:)
     expect(HOMEBREW_PREFIX/"share/zsh/site-functions/_brew-tap-cmd").not_to exist
     expect(HOMEBREW_PREFIX/"share/fish/vendor_completions.d/brew-tap-cmd.fish").not_to exist
   ensure
-    (HOMEBREW_PREFIX/"etc").rmtree if (HOMEBREW_PREFIX/"etc").exist?
-    (HOMEBREW_PREFIX/"share").rmtree if (HOMEBREW_PREFIX/"share").exist?
+    FileUtils.rm_r(HOMEBREW_PREFIX/"etc") if (HOMEBREW_PREFIX/"etc").exist?
+    FileUtils.rm_r(HOMEBREW_PREFIX/"share") if (HOMEBREW_PREFIX/"share").exist?
   end
 
   specify "#link_completions_and_manpages when completions are enabled for non-official tap" do
@@ -433,8 +433,8 @@ def setup_completion(link:)
     expect(HOMEBREW_PREFIX/"share/fish/vendor_completions.d/brew-tap-cmd.fish").to be_a_file
     tap.uninstall
   ensure
-    (HOMEBREW_PREFIX/"etc").rmtree if (HOMEBREW_PREFIX/"etc").exist?
-    (HOMEBREW_PREFIX/"share").rmtree if (HOMEBREW_PREFIX/"share").exist?
+    FileUtils.rm_r(HOMEBREW_PREFIX/"etc") if (HOMEBREW_PREFIX/"etc").exist?
+    FileUtils.rm_r(HOMEBREW_PREFIX/"share") if (HOMEBREW_PREFIX/"share").exist?
   end
 
   specify "#link_completions_and_manpages when completions are disabled for non-official tap" do
@@ -451,8 +451,8 @@ def setup_completion(link:)
     expect(HOMEBREW_PREFIX/"share/fish/vendor_completions.d/brew-tap-cmd.fish").not_to be_a_file
     tap.uninstall
   ensure
-    (HOMEBREW_PREFIX/"etc").rmtree if (HOMEBREW_PREFIX/"etc").exist?
-    (HOMEBREW_PREFIX/"share").rmtree if (HOMEBREW_PREFIX/"share").exist?
+    FileUtils.rm_r(HOMEBREW_PREFIX/"etc") if (HOMEBREW_PREFIX/"etc").exist?
+    FileUtils.rm_r(HOMEBREW_PREFIX/"share") if (HOMEBREW_PREFIX/"share").exist?
   end
 
   specify "#link_completions_and_manpages when completions are enabled for official tap" do
@@ -472,8 +472,8 @@ def setup_completion(link:)
     expect(HOMEBREW_PREFIX/"share/fish/vendor_completions.d/brew-tap-cmd.fish").to be_a_file
     tap.uninstall
   ensure
-    (HOMEBREW_PREFIX/"etc").rmtree if (HOMEBREW_PREFIX/"etc").exist?
-    (HOMEBREW_PREFIX/"share").rmtree if (HOMEBREW_PREFIX/"share").exist?
+    FileUtils.rm_r(HOMEBREW_PREFIX/"etc") if (HOMEBREW_PREFIX/"etc").exist?
+    FileUtils.rm_r(HOMEBREW_PREFIX/"share") if (HOMEBREW_PREFIX/"share").exist?
   end
 
   specify "#config" do
@@ -736,7 +736,7 @@ def setup_completion(link:)
 
     specify "attributes" do
       expect(core_tap.user).to eq("Homebrew")
-      expect(core_tap.repo).to eq("core")
+      expect(core_tap.repository).to eq("core")
       expect(core_tap.name).to eq("homebrew/core")
       expect(core_tap.command_files).to eq([])
       expect(core_tap).to be_installed
@@ -790,14 +790,16 @@ class Foo < Formula
     end
   end
 
-  describe "#repo_var_suffix" do
+  describe "#repository_var_suffix" do
     it "converts the repo directory to an environment variable suffix" do
-      expect(CoreTap.instance.repo_var_suffix).to eq "_HOMEBREW_HOMEBREW_CORE"
+      expect(CoreTap.instance.repository_var_suffix).to eq "_HOMEBREW_HOMEBREW_CORE"
     end
 
     it "converts non-alphanumeric characters to underscores" do
-      expect(described_class.fetch("my", "tap-with-dashes").repo_var_suffix).to eq "_MY_HOMEBREW_TAP_WITH_DASHES"
-      expect(described_class.fetch("my", "tap-with-@-symbol").repo_var_suffix).to eq "_MY_HOMEBREW_TAP_WITH___SYMBOL"
+      expect(described_class.fetch("my",
+                                   "tap-with-dashes").repository_var_suffix).to eq "_MY_HOMEBREW_TAP_WITH_DASHES"
+      expect(described_class.fetch("my",
+                                   "tap-with-@-symbol").repository_var_suffix).to eq "_MY_HOMEBREW_TAP_WITH___SYMBOL"
     end
   end
 
diff --git a/Library/Homebrew/unpack_strategy/bazaar.rb b/Library/Homebrew/unpack_strategy/bazaar.rb
index 770cca92aad86..c237507ad93ce 100644
--- a/Library/Homebrew/unpack_strategy/bazaar.rb
+++ b/Library/Homebrew/unpack_strategy/bazaar.rb
@@ -18,7 +18,7 @@ def extract_to_dir(unpack_dir, basename:, verbose:)
       super
 
       # The export command doesn't work on checkouts (see https://bugs.launchpad.net/bzr/+bug/897511).
-      (unpack_dir/".bzr").rmtree
+      FileUtils.rm_r(unpack_dir/".bzr")
     end
   end
 end
diff --git a/Library/Homebrew/utils/inreplace.rb b/Library/Homebrew/utils/inreplace.rb
index 24beae198bbff..a7e3e9bddf6ff 100644
--- a/Library/Homebrew/utils/inreplace.rb
+++ b/Library/Homebrew/utils/inreplace.rb
@@ -68,7 +68,7 @@ def self.inreplace(paths, before = nil, after = nil, audit_result: true, &block)
 
           yield s
         else
-          s.gsub!(T.must(before), T.must(after), audit_result)
+          s.gsub!(T.must(before), T.must(after), audit_result:)
         end
 
         errors[path] = s.errors unless s.errors.empty?
diff --git a/Library/Homebrew/utils/string_inreplace_extension.rb b/Library/Homebrew/utils/string_inreplace_extension.rb
index e1a1cc625ed35..bca6fa1936786 100644
--- a/Library/Homebrew/utils/string_inreplace_extension.rb
+++ b/Library/Homebrew/utils/string_inreplace_extension.rb
@@ -39,8 +39,8 @@ def sub!(before, after)
   def gsub!(before, after, old_audit_result = nil, audit_result: true)
     # NOTE: must check for `#nil?` and not `#blank?`, or else `old_audit_result = false` will not call `odeprecated`.
     unless old_audit_result.nil?
-      # odeprecated "gsub!(before, after, #{old_audit_result})",
-      #             "gsub!(before, after, audit_result: #{old_audit_result})"
+      odeprecated "gsub!(before, after, #{old_audit_result})",
+                  "gsub!(before, after, audit_result: #{old_audit_result})"
       audit_result = old_audit_result
     end
     before = before.to_s if before.is_a?(Pathname)
@@ -55,7 +55,9 @@ def gsub!(before, after, old_audit_result = nil, audit_result: true)
   # @api public
   sig { params(flag: String, new_value: T.any(String, Pathname)).void }
   def change_make_var!(flag, new_value)
-    return if gsub!(/^#{Regexp.escape(flag)}[ \t]*[\\?+:!]?=[ \t]*((?:.*\\\n)*.*)$/, "#{flag}=#{new_value}", false)
+    return if gsub!(/^#{Regexp.escape(flag)}[ \t]*[\\?+:!]?=[ \t]*((?:.*\\\n)*.*)$/,
+                    "#{flag}=#{new_value}",
+                    audit_result: false)
 
     errors << "expected to change #{flag.inspect} to #{new_value.inspect}"
   end
@@ -67,9 +69,11 @@ def change_make_var!(flag, new_value)
   def remove_make_var!(flags)
     Array(flags).each do |flag|
       # Also remove trailing \n, if present.
-      unless gsub!(/^#{Regexp.escape(flag)}[ \t]*[\\?+:!]?=(?:.*\\\n)*.*$\n?/, "", false)
-        errors << "expected to remove #{flag.inspect}"
-      end
+      next if gsub!(/^#{Regexp.escape(flag)}[ \t]*[\\?+:!]?=(?:.*\\\n)*.*$\n?/,
+                    "",
+                    audit_result: false)
+
+      errors << "expected to remove #{flag.inspect}"
     end
   end