diff --git a/Library/Homebrew/cask/lib/hbc.rb b/Library/Homebrew/cask/lib/hbc.rb
index 916a7ef349..a013f4a323 100644
--- a/Library/Homebrew/cask/lib/hbc.rb
+++ b/Library/Homebrew/cask/lib/hbc.rb
@@ -19,7 +19,6 @@ require "hbc/locations"
 require "hbc/config"
 require "hbc/macos"
 require "hbc/pkg"
-require "hbc/scopes"
 require "hbc/staged"
 require "hbc/system_command"
 require "hbc/topological_hash"
@@ -30,7 +29,6 @@ require "hbc/version"
 
 module Hbc
   include Locations
-  include Scopes
   include Utils
 
   def self.init
diff --git a/Library/Homebrew/cask/lib/hbc/cask.rb b/Library/Homebrew/cask/lib/hbc/cask.rb
index 341f80047f..410dcfe649 100644
--- a/Library/Homebrew/cask/lib/hbc/cask.rb
+++ b/Library/Homebrew/cask/lib/hbc/cask.rb
@@ -52,11 +52,13 @@ module Hbc
     end
 
     def full_name
-      if tap.nil? || tap == Hbc.default_tap
-        token
-      else
-        "#{tap.name}/#{token}"
-      end
+      return token if tap == Hbc.default_tap
+      qualified_token
+    end
+
+    def qualified_token
+      return token if tap.nil?
+      "#{tap.name}/#{token}"
     end
 
     def installed?
diff --git a/Library/Homebrew/cask/lib/hbc/caskroom.rb b/Library/Homebrew/cask/lib/hbc/caskroom.rb
index b5c947f4b1..6c69e5fb8e 100644
--- a/Library/Homebrew/cask/lib/hbc/caskroom.rb
+++ b/Library/Homebrew/cask/lib/hbc/caskroom.rb
@@ -15,5 +15,17 @@ module Hbc
       SystemCommand.run("/usr/sbin/chown", args: [Utils.current_user, Hbc.caskroom], sudo: sudo)
       SystemCommand.run("/usr/bin/chgrp", args: ["admin", Hbc.caskroom], sudo: sudo)
     end
+
+    def casks
+      Pathname.glob(Hbc.caskroom.join("*")).sort.select(&:directory?).map do |path|
+        token = path.basename.to_s
+
+        if tap_path = CaskLoader.tap_paths(token).first
+          next CaskLoader::FromTapPathLoader.new(tap_path).load
+        end
+
+        CaskLoader::FromPathLoader.new(Pathname.glob(path.join(".metadata/*/*/*/*.rb")).first).load
+      end
+    end
   end
 end
diff --git a/Library/Homebrew/cask/lib/hbc/cli/audit.rb b/Library/Homebrew/cask/lib/hbc/cli/audit.rb
index 35d82800c6..2b89a8d2c3 100644
--- a/Library/Homebrew/cask/lib/hbc/cli/audit.rb
+++ b/Library/Homebrew/cask/lib/hbc/cli/audit.rb
@@ -9,7 +9,7 @@ module Hbc
       end
 
       def run
-        failed_casks = casks(alternative: -> { Hbc.all })
+        failed_casks = casks(alternative: -> { Cask.to_a })
                        .reject { |cask| audit(cask) }
 
         return if failed_casks.empty?
diff --git a/Library/Homebrew/cask/lib/hbc/cli/internal_stanza.rb b/Library/Homebrew/cask/lib/hbc/cli/internal_stanza.rb
index bdb1c0c30a..355f1a4d3f 100644
--- a/Library/Homebrew/cask/lib/hbc/cli/internal_stanza.rb
+++ b/Library/Homebrew/cask/lib/hbc/cli/internal_stanza.rb
@@ -58,7 +58,7 @@ module Hbc
           @stanza = :artifacts
         end
 
-        casks(alternative: -> { Hbc.all }).each do |cask|
+        casks(alternative: -> { Cask.to_a }).each do |cask|
           print "#{cask}\t" if table?
 
           begin
diff --git a/Library/Homebrew/cask/lib/hbc/cli/list.rb b/Library/Homebrew/cask/lib/hbc/cli/list.rb
index 4a50ae74ad..788b0eede5 100644
--- a/Library/Homebrew/cask/lib/hbc/cli/list.rb
+++ b/Library/Homebrew/cask/lib/hbc/cli/list.rb
@@ -37,7 +37,7 @@ module Hbc
       end
 
       def list_installed
-        installed_casks = Hbc.installed
+        installed_casks = Caskroom.casks
 
         if one?
           puts installed_casks.map(&:to_s)
diff --git a/Library/Homebrew/cask/lib/hbc/cli/outdated.rb b/Library/Homebrew/cask/lib/hbc/cli/outdated.rb
index b0a84e8d26..593fea19da 100644
--- a/Library/Homebrew/cask/lib/hbc/cli/outdated.rb
+++ b/Library/Homebrew/cask/lib/hbc/cli/outdated.rb
@@ -10,7 +10,7 @@ module Hbc
       end
 
       def run
-        casks(alternative: -> { Hbc.installed }).each do |cask|
+        casks(alternative: -> { Caskroom.casks }).each do |cask|
           odebug "Checking update info of Cask #{cask}"
           self.class.list_if_outdated(cask, greedy?, verbose?)
         end
diff --git a/Library/Homebrew/cask/lib/hbc/cli/search.rb b/Library/Homebrew/cask/lib/hbc/cli/search.rb
index d7fac8cd72..480d7b5e54 100644
--- a/Library/Homebrew/cask/lib/hbc/cli/search.rb
+++ b/Library/Homebrew/cask/lib/hbc/cli/search.rb
@@ -3,7 +3,7 @@ module Hbc
     class Search < AbstractCommand
       def run
         if args.empty?
-          puts Formatter.columns(CLI.nice_listing(Hbc.all_tokens))
+          puts Formatter.columns(CLI.nice_listing(Cask.map(&:qualified_token)))
         else
           results = self.class.search(*args)
           self.class.render_results(*results)
@@ -43,7 +43,7 @@ module Hbc
         partial_matches = []
         search_term = arguments.join(" ")
         search_regexp = extract_regexp arguments.first
-        all_tokens = CLI.nice_listing(Hbc.all_tokens)
+        all_tokens = CLI.nice_listing(Cask.map(&:qualified_token))
         if search_regexp
           search_term = arguments.first
           partial_matches = all_tokens.grep(/#{search_regexp}/i)
diff --git a/Library/Homebrew/cask/lib/hbc/cli/style.rb b/Library/Homebrew/cask/lib/hbc/cli/style.rb
index 261bed50b9..cb2e5e0537 100644
--- a/Library/Homebrew/cask/lib/hbc/cli/style.rb
+++ b/Library/Homebrew/cask/lib/hbc/cli/style.rb
@@ -27,7 +27,7 @@ module Hbc
 
       def cask_paths
         @cask_paths ||= if args.empty?
-          Hbc.all_tapped_cask_dirs
+          Tap.map(&:cask_dir).select(&:directory?)
         elsif args.any? { |file| File.exist?(file) }
           args
         else
diff --git a/Library/Homebrew/cask/lib/hbc/cli/upgrade.rb b/Library/Homebrew/cask/lib/hbc/cli/upgrade.rb
index 808b64c4b7..276b180aa1 100644
--- a/Library/Homebrew/cask/lib/hbc/cli/upgrade.rb
+++ b/Library/Homebrew/cask/lib/hbc/cli/upgrade.rb
@@ -13,7 +13,7 @@ module Hbc
 
       def run
         outdated_casks = casks(alternative: lambda {
-          Hbc.installed.select do |cask|
+          Caskroom.casks.select do |cask|
             cask.outdated?(greedy?)
           end
         }).select { |cask| cask.outdated?(true) }
diff --git a/Library/Homebrew/cask/lib/hbc/scopes.rb b/Library/Homebrew/cask/lib/hbc/scopes.rb
deleted file mode 100644
index a469ae0fa6..0000000000
--- a/Library/Homebrew/cask/lib/hbc/scopes.rb
+++ /dev/null
@@ -1,47 +0,0 @@
-module Hbc
-  module Scopes
-    def self.included(base)
-      base.extend(ClassMethods)
-    end
-
-    module ClassMethods
-      def all
-        all_tokens.map(&CaskLoader.public_method(:load))
-      end
-
-      def all_tapped_cask_dirs
-        Tap.map(&:cask_dir).select(&:directory?)
-      end
-
-      def all_tokens
-        Tap.flat_map do |t|
-          t.cask_files.map do |p|
-            "#{t.name}/#{File.basename(p, ".rb")}"
-          end
-        end
-      end
-
-      def installed
-        # CaskLoader.load has some DWIM which is slow.  Optimize here
-        # by spoon-feeding CaskLoader.load fully-qualified paths.
-        # TODO: speed up Hbc::Source::Tapped (main perf drag is calling Hbc.all_tokens repeatedly)
-        # TODO: ability to specify expected source when calling CaskLoader.load (minor perf benefit)
-        Pathname.glob(caskroom.join("*"))
-                .sort
-                .map do |caskroom_path|
-                  token = caskroom_path.basename.to_s
-
-                  path_to_cask = all_tapped_cask_dirs.find do |tap_dir|
-                    tap_dir.join("#{token}.rb").exist?
-                  end
-
-                  if path_to_cask
-                    CaskLoader.load(path_to_cask.join("#{token}.rb"))
-                  else
-                    CaskLoader.load(token)
-                  end
-                end
-      end
-    end
-  end
-end
diff --git a/Library/Homebrew/test/cask/cask_spec.rb b/Library/Homebrew/test/cask/cask_spec.rb
index e8d5aff8f8..4b9393d6cc 100644
--- a/Library/Homebrew/test/cask/cask_spec.rb
+++ b/Library/Homebrew/test/cask/cask_spec.rb
@@ -70,14 +70,6 @@ describe Hbc::Cask, :cask do
     end
   end
 
-  describe "all_tokens" do
-    it "returns a token for every Cask" do
-      all_cask_tokens = Hbc.all_tokens
-      expect(all_cask_tokens.count).to be > 20
-      all_cask_tokens.each { |token| expect(token).to be_kind_of(String) }
-    end
-  end
-
   describe "metadata" do
     it "proposes a versioned metadata directory name for each instance" do
       cask_token = "local-caffeine"
diff --git a/Library/Homebrew/test/cask/cli/audit_spec.rb b/Library/Homebrew/test/cask/cli/audit_spec.rb
index da8bf12737..2ed4ea9f11 100644
--- a/Library/Homebrew/test/cask/cli/audit_spec.rb
+++ b/Library/Homebrew/test/cask/cli/audit_spec.rb
@@ -7,9 +7,7 @@ describe Hbc::CLI::Audit, :cask do
 
   describe "selection of Casks to audit" do
     it "audits all Casks if no tokens are given" do
-      expect(cask).to be_a Hbc::Cask
-
-      allow(Hbc).to receive(:all).and_return([cask, cask])
+      allow(Hbc::Cask).to receive(:to_a).and_return([cask, cask])
 
       expect(Hbc::Auditor).to receive(:audit).twice.and_return(true)
 
diff --git a/Library/Homebrew/test/cask/cli/style_spec.rb b/Library/Homebrew/test/cask/cli/style_spec.rb
index aaf3248f17..6f486ea939 100644
--- a/Library/Homebrew/test/cask/cli/style_spec.rb
+++ b/Library/Homebrew/test/cask/cli/style_spec.rb
@@ -83,11 +83,13 @@ describe Hbc::CLI::Style, :cask do
     context "when no cask tokens are given" do
       let(:tokens) { [] }
 
-      before do
-        allow(Hbc).to receive(:all_tapped_cask_dirs).and_return(%w[Casks MoreCasks])
+      matcher :a_path_ending_with do |end_string|
+        match do |actual|
+          expect(actual.to_s).to end_with(end_string)
+        end
       end
 
-      it { is_expected.to eq(%w[Casks MoreCasks]) }
+      it { is_expected.to contain_exactly(a_path_ending_with("/caskroom/homebrew-spec/Casks"), a_path_ending_with("/third-party/homebrew-tap/Casks")) }
     end
 
     context "when at least one cask token is a path that exists" do
diff --git a/Library/Homebrew/test/cask/scopes_spec.rb b/Library/Homebrew/test/cask/scopes_spec.rb
deleted file mode 100644
index d1c03b9b0c..0000000000
--- a/Library/Homebrew/test/cask/scopes_spec.rb
+++ /dev/null
@@ -1,37 +0,0 @@
-describe Hbc::Scopes, :cask do
-  describe "installed" do
-    it "returns a list installed Casks by loading Casks for all the dirs that exist in the caskroom" do
-      allow(Hbc::CaskLoader).to receive(:load) { |token| "loaded-#{token}" }
-
-      Hbc.caskroom.join("cask-bar").mkpath
-      Hbc.caskroom.join("cask-foo").mkpath
-
-      installed_casks = Hbc.installed
-
-      expect(Hbc::CaskLoader).to have_received(:load).with("cask-bar")
-      expect(Hbc::CaskLoader).to have_received(:load).with("cask-foo")
-      expect(installed_casks).to eq(
-        %w[
-          loaded-cask-bar
-          loaded-cask-foo
-        ],
-      )
-    end
-
-    it "optimizes performance by resolving to a fully qualified path before calling Hbc::CaskLoader.load" do
-      fake_tapped_cask_dir = Pathname.new(Dir.mktmpdir).join("Casks")
-      absolute_path_to_cask = fake_tapped_cask_dir.join("some-cask.rb")
-
-      allow(Hbc::CaskLoader).to receive(:load)
-      allow(Hbc).to receive(:all_tapped_cask_dirs) { [fake_tapped_cask_dir] }
-
-      Hbc.caskroom.join("some-cask").mkdir
-      fake_tapped_cask_dir.mkdir
-      FileUtils.touch(absolute_path_to_cask)
-
-      Hbc.installed
-
-      expect(Hbc::CaskLoader).to have_received(:load).with(absolute_path_to_cask)
-    end
-  end
-end