diff --git a/Library/Homebrew/cmd/tests.rb b/Library/Homebrew/cmd/tests.rb
index 2e6bb647bd..ae10f0f7ab 100644
--- a/Library/Homebrew/cmd/tests.rb
+++ b/Library/Homebrew/cmd/tests.rb
@@ -1,23 +1,13 @@
 #: @hide_from_man_page
-#:  * `tests` [`-v`] [`--coverage`] [`--generic`] [`--no-compat`] [`--only=`<test_script/test_method>] [`--seed` <seed>] [`--trace`] [`--online`] [`--official-cmd-taps`]:
+#:  * `tests` [`-v`] [`--coverage`] [`--generic`] [`--no-compat`] [`--only=`<test_script/test_method>] [`--seed` <seed>] [`--trace`] [`--online`]:
 #:    Run Homebrew's unit and integration tests.
 
 require "fileutils"
-require "tap"
 
 module Homebrew
   def tests
-    ENV["HOMEBREW_NO_ANALYTICS_THIS_RUN"] = "1"
-
-    if ARGV.include? "--official-cmd-taps"
-      ENV["HOMEBREW_TEST_OFFICIAL_CMD_TAPS"] = "1"
-      OFFICIAL_CMD_TAPS.each do |tap, _|
-        tap = Tap.fetch tap
-        tap.install unless tap.installed?
-      end
-    end
-
     (HOMEBREW_LIBRARY/"Homebrew/test").cd do
+      ENV["HOMEBREW_NO_ANALYTICS_THIS_RUN"] = "1"
       ENV["TESTOPTS"] = "-v" if ARGV.verbose?
       ENV["HOMEBREW_NO_COMPAT"] = "1" if ARGV.include? "--no-compat"
       ENV["HOMEBREW_TEST_GENERIC_OS"] = "1" if ARGV.include? "--generic"
diff --git a/Library/Homebrew/dev-cmd/test-bot.rb b/Library/Homebrew/dev-cmd/test-bot.rb
index 9e55fbfa63..2f6c44d3a2 100644
--- a/Library/Homebrew/dev-cmd/test-bot.rb
+++ b/Library/Homebrew/dev-cmd/test-bot.rb
@@ -659,7 +659,6 @@ module Homebrew
         test "brew", "tests", *tests_args
         test "brew", "tests", "--no-compat"
         test "brew", "readall", "--syntax"
-        test "brew", "tests", "--official-cmd-taps"
       else
         test "brew", "readall", "--aliases", @tap.name
       end
diff --git a/Library/Homebrew/global.rb b/Library/Homebrew/global.rb
index 02ff15e39f..52bee21660 100644
--- a/Library/Homebrew/global.rb
+++ b/Library/Homebrew/global.rb
@@ -9,7 +9,6 @@ require "utils"
 require "exceptions"
 require "set"
 require "rbconfig"
-require "official_taps"
 
 ARGV.extend(HomebrewArgvExtension)
 
diff --git a/Library/Homebrew/official_taps.rb b/Library/Homebrew/official_taps.rb
index aedb0809e2..75ad096c70 100644
--- a/Library/Homebrew/official_taps.rb
+++ b/Library/Homebrew/official_taps.rb
@@ -15,10 +15,4 @@ OFFICIAL_TAPS = %w[
   tex
   versions
   x11
-].freeze
-
-OFFICIAL_CMD_TAPS = {
-  "caskroom/cask" => ["cask"],
-  "homebrew/bundle" => ["bundle"],
-  "homebrew/services" => ["services"],
-}.freeze
+]
diff --git a/Library/Homebrew/test/test_integration_cmds.rb b/Library/Homebrew/test/test_integration_cmds.rb
index 9b37fa545d..cc8f3b4585 100644
--- a/Library/Homebrew/test/test_integration_cmds.rb
+++ b/Library/Homebrew/test/test_integration_cmds.rb
@@ -17,12 +17,6 @@ class IntegrationCommandTests < Homebrew::TestCase
     @formula_files.each(&:unlink)
   end
 
-  def needs_test_cmd_taps
-    unless ENV["HOMEBREW_TEST_OFFICIAL_CMD_TAPS"]
-      skip "HOMEBREW_TEST_OFFICIAL_CMD_TAPS is not set"
-    end
-  end
-
   def cmd_id_from_args(args)
     args_pretty = args.join(" ").gsub(TEST_TMPDIR, "@TMPDIR@")
     test_pretty = "#{self.class.name}\##{name}.#{@cmd_id_index += 1}"
@@ -674,35 +668,4 @@ class IntegrationCommandTests < Homebrew::TestCase
   ensure
     desc_cache.unlink
   end
-
-  def test_bundle
-    needs_test_cmd_taps
-    HOMEBREW_REPOSITORY.cd do
-      shutup do
-        system "git", "init"
-        system "git", "commit", "--allow-empty", "-m", "This is a test commit"
-      end
-    end
-
-    mktmpdir do |path|
-      FileUtils.touch "#{path}/Brewfile"
-      Dir.chdir path do
-        assert_equal "The Brewfile's dependencies are satisfied.",
-          cmd("bundle", "check")
-      end
-    end
-  ensure
-    FileUtils.rm_rf HOMEBREW_REPOSITORY/".git"
-  end
-
-  def test_cask
-    needs_test_cmd_taps
-    assert_equal "Warning: nothing to list", cmd("cask", "list")
-  end
-
-  def test_services
-    needs_test_cmd_taps
-    assert_equal "Warning: No services available to control with `brew services`",
-      cmd("services", "list")
-  end
 end
diff --git a/Library/brew.rb b/Library/brew.rb
index c06aa735e0..0a1df9f9b6 100644
--- a/Library/brew.rb
+++ b/Library/brew.rb
@@ -94,8 +94,14 @@ begin
     exit Homebrew.failed? ? 1 : 0
   else
     require "tap"
-    possible_tap = OFFICIAL_CMD_TAPS.find { |_, cmds| cmds.include?(cmd) }
-    possible_tap = Tap.fetch(possible_tap.first) if possible_tap
+    possible_tap = case cmd
+    when "brewdle", "brewdler", "bundle", "bundler"
+      Tap.fetch("Homebrew", "bundle")
+    when "cask"
+      Tap.fetch("caskroom", "cask")
+    when "services"
+      Tap.fetch("Homebrew", "services")
+    end
 
     if possible_tap && !possible_tap.installed?
       brew_uid = HOMEBREW_BREW_FILE.stat.uid