diff --git a/Library/Homebrew/cask/cmd/abstract_command.rb b/Library/Homebrew/cask/cmd/abstract_command.rb
index 6690ae55a3..23e972087c 100644
--- a/Library/Homebrew/cask/cmd/abstract_command.rb
+++ b/Library/Homebrew/cask/cmd/abstract_command.rb
@@ -12,8 +12,6 @@ module Cask
       extend T::Sig
       extend T::Helpers
 
-      include Homebrew::Search
-
       OPTIONS = [
         [:switch, "--[no-]binaries", {
           description: "Disable/enable linking of helper executables (default: enabled).",
@@ -87,7 +85,7 @@ module Cask
       end
 
       def suggestion_message(cask_token)
-        matches = search_casks(cask_token)
+        matches = Homebrew::Search.search_casks(cask_token)
 
         if matches.one?
           "Did you mean '#{matches.first}'?"
diff --git a/Library/Homebrew/cmd/desc.rb b/Library/Homebrew/cmd/desc.rb
index a303a8d09b..b38a8ae11f 100644
--- a/Library/Homebrew/cmd/desc.rb
+++ b/Library/Homebrew/cmd/desc.rb
@@ -11,8 +11,6 @@ module Homebrew
 
   module_function
 
-  extend Search
-
   sig { returns(CLI::Parser) }
   def desc_args
     Homebrew::CLI::Parser.new do
@@ -71,8 +69,8 @@ module Homebrew
       Descriptions.new(desc).print
     else
       query = args.named.join(" ")
-      string_or_regex = query_regexp(query)
-      search_descriptions(string_or_regex, args, search_type: search_type)
+      string_or_regex = Search.query_regexp(query)
+      Search.search_descriptions(string_or_regex, args, search_type: search_type)
     end
   end
 end
diff --git a/Library/Homebrew/cmd/install.rb b/Library/Homebrew/cmd/install.rb
index 8dc6251c46..8a67db1249 100644
--- a/Library/Homebrew/cmd/install.rb
+++ b/Library/Homebrew/cmd/install.rb
@@ -8,7 +8,6 @@ require "missing_formula"
 require "formula_installer"
 require "development_tools"
 require "install"
-require "search"
 require "cleanup"
 require "cli/parser"
 require "upgrade"
@@ -16,8 +15,6 @@ require "upgrade"
 module Homebrew
   extend T::Sig
 
-  extend Search
-
   module_function
 
   sig { returns(CLI::Parser) }
@@ -299,11 +296,12 @@ module Homebrew
     # so we might as well return early.
     return if name.include?("/")
 
+    require "search"
     ohai "Searching for similarly named formulae and casks..."
 
     # Don't treat formula/cask name as a regex
     query = string_or_regex = name
-    all_formulae, all_casks = search_names(query, string_or_regex, args)
+    all_formulae, all_casks = Search.search_names(query, string_or_regex, args)
 
     if all_formulae.any?
       ohai "Formulae", Formatter.columns(all_formulae)
diff --git a/Library/Homebrew/cmd/search.rb b/Library/Homebrew/cmd/search.rb
index bc0e6d01b1..ba56e35d74 100644
--- a/Library/Homebrew/cmd/search.rb
+++ b/Library/Homebrew/cmd/search.rb
@@ -12,8 +12,6 @@ module Homebrew
 
   module_function
 
-  extend Search
-
   PACKAGE_MANAGERS = {
     repology:  ->(query) { "https://repology.org/projects/?search=#{query}" },
     macports:  ->(query) { "https://ports.macports.org/search/?q=#{query}" },
@@ -76,17 +74,17 @@ module Homebrew
     return if search_package_manager(args)
 
     query = args.named.join(" ")
-    string_or_regex = query_regexp(query)
+    string_or_regex = Search.query_regexp(query)
 
     if args.desc?
       if !args.eval_all? && !Homebrew::EnvConfig.eval_all?
         odeprecated "brew search --desc", "brew search --desc --eval-all or HOMEBREW_EVAL_ALL"
       end
-      search_descriptions(string_or_regex, args)
+      Search.search_descriptions(string_or_regex, args)
     elsif args.pull_request?
       search_pull_requests(query, args)
     else
-      formulae, casks = search_names(query, string_or_regex, args)
+      formulae, casks = Search.search_names(query, string_or_regex, args)
       print_results(formulae, casks, query)
     end
 
diff --git a/Library/Homebrew/descriptions.rb b/Library/Homebrew/descriptions.rb
index 9382bc2107..ff252b5798 100644
--- a/Library/Homebrew/descriptions.rb
+++ b/Library/Homebrew/descriptions.rb
@@ -3,15 +3,12 @@
 
 require "formula"
 require "formula_versions"
-require "search"
 require "searchable"
 
 # Helper class for printing and searching descriptions.
 #
 # @api private
 class Descriptions
-  extend Homebrew::Search
-
   # Given a regex, find all formulae whose specified fields contain a match.
   def self.search(string_or_regex, field, cache_store, eval_all = Homebrew::EnvConfig.eval_all?)
     cache_store.populate_if_empty!(eval_all: eval_all)
diff --git a/Library/Homebrew/search.rb b/Library/Homebrew/search.rb
index c2ec5419f5..4b265f88d7 100644
--- a/Library/Homebrew/search.rb
+++ b/Library/Homebrew/search.rb
@@ -9,7 +9,7 @@ module Homebrew
   #
   # @api private
   module Search
-    def query_regexp(query)
+    def self.query_regexp(query)
       if (m = query.match(%r{^/(.*)/$}))
         Regexp.new(m[1])
       else
@@ -19,7 +19,7 @@ module Homebrew
       raise "#{query} is not a valid regex."
     end
 
-    def search_descriptions(string_or_regex, args, search_type: :desc)
+    def self.search_descriptions(string_or_regex, args, search_type: :desc)
       both = !args.formula? && !args.cask?
       eval_all = args.eval_all? || Homebrew::EnvConfig.eval_all?
 
@@ -41,7 +41,7 @@ module Homebrew
       end
     end
 
-    def search_taps(query, silent: false)
+    def self.search_taps(query, silent: false)
       if query.match?(Regexp.union(HOMEBREW_TAP_FORMULA_REGEX, HOMEBREW_TAP_CASK_REGEX))
         _, _, query = query.split("/", 3)
       end
@@ -86,7 +86,7 @@ module Homebrew
       results
     end
 
-    def search_formulae(string_or_regex)
+    def self.search_formulae(string_or_regex)
       if string_or_regex.is_a?(String) && string_or_regex.match?(HOMEBREW_TAP_FORMULA_REGEX)
         return begin
           [Formulary.factory(string_or_regex).name]
@@ -122,7 +122,7 @@ module Homebrew
       end.compact
     end
 
-    def search_casks(string_or_regex)
+    def self.search_casks(string_or_regex)
       if string_or_regex.is_a?(String) && string_or_regex.match?(HOMEBREW_TAP_CASK_REGEX)
         return begin
           [Cask::CaskLoader.load(string_or_regex).token]
@@ -151,7 +151,7 @@ module Homebrew
       end.uniq
     end
 
-    def search_names(query, string_or_regex, args)
+    def self.search_names(query, string_or_regex, args)
       both = !args.formula? && !args.cask?
 
       remote_results = search_taps(query, silent: true)
diff --git a/Library/Homebrew/test/search_spec.rb b/Library/Homebrew/test/search_spec.rb
index 56949f2340..ef3f383919 100644
--- a/Library/Homebrew/test/search_spec.rb
+++ b/Library/Homebrew/test/search_spec.rb
@@ -4,12 +4,6 @@
 require "search"
 
 describe Homebrew::Search do
-  subject(:mod) { Object.new }
-
-  before do
-    mod.extend(described_class)
-  end
-
   describe "#search_taps" do
     before do
       ENV.delete("HOMEBREW_NO_GITHUB_API")
@@ -17,13 +11,13 @@ describe Homebrew::Search do
 
     it "does not raise if `HOMEBREW_NO_GITHUB_API` is set" do
       ENV["HOMEBREW_NO_GITHUB_API"] = "1"
-      expect(mod.search_taps("some-formula")).to match(formulae: [], casks: [])
+      expect(described_class.search_taps("some-formula")).to match(formulae: [], casks: [])
     end
 
     it "does not raise if the network fails" do
       allow(GitHub::API).to receive(:open_rest).and_raise(GitHub::API::Error)
 
-      expect(mod.search_taps("some-formula"))
+      expect(described_class.search_taps("some-formula"))
         .to match(formulae: [], casks: [])
     end
 
@@ -47,22 +41,22 @@ describe Homebrew::Search do
 
       allow(GitHub::API).to receive(:open_rest).and_yield(json_response)
 
-      expect(mod.search_taps("some-formula"))
+      expect(described_class.search_taps("some-formula"))
         .to match(formulae: ["homebrew/foo/some-formula"], casks: ["homebrew/bar/some-cask"])
     end
   end
 
   describe "#query_regexp" do
     it "correctly parses a regex query" do
-      expect(mod.query_regexp("/^query$/")).to eq(/^query$/)
+      expect(described_class.query_regexp("/^query$/")).to eq(/^query$/)
     end
 
     it "returns the original string if it is not a regex query" do
-      expect(mod.query_regexp("query")).to eq("query")
+      expect(described_class.query_regexp("query")).to eq("query")
     end
 
     it "raises an error if the query is an invalid regex" do
-      expect { mod.query_regexp("/+/") }.to raise_error(/not a valid regex/)
+      expect { described_class.query_regexp("/+/") }.to raise_error(/not a valid regex/)
     end
   end
 end