diff --git a/Library/Homebrew/test/test_caveats.rb b/Library/Homebrew/test/test_caveats.rb
index c9e242abdd..9eaac57927 100644
--- a/Library/Homebrew/test/test_caveats.rb
+++ b/Library/Homebrew/test/test_caveats.rb
@@ -1,4 +1,6 @@
 require "testing_env"
+require "formula"
+require "caveats"
 
 class CaveatsTests < Homebrew::TestCase
   def setup
diff --git a/Library/Homebrew/test/test_checksum_verification.rb b/Library/Homebrew/test/test_checksum_verification.rb
index cda35e3aa2..4e3602f94f 100644
--- a/Library/Homebrew/test/test_checksum_verification.rb
+++ b/Library/Homebrew/test/test_checksum_verification.rb
@@ -1,4 +1,5 @@
 require "testing_env"
+require "formula"
 
 class ChecksumVerificationTests < Homebrew::TestCase
   def assert_checksum_good
diff --git a/Library/Homebrew/test/test_formula_support.rb b/Library/Homebrew/test/test_formula_support.rb
index 25514a032e..111b509ec2 100644
--- a/Library/Homebrew/test/test_formula_support.rb
+++ b/Library/Homebrew/test/test_formula_support.rb
@@ -1,4 +1,5 @@
 require "testing_env"
+require "formula_support"
 
 class KegOnlyReasonTests < Homebrew::TestCase
   def test_to_s_explanation
diff --git a/Library/Homebrew/test/test_formulary.rb b/Library/Homebrew/test/test_formulary.rb
index 86a59faa31..935acd6c40 100644
--- a/Library/Homebrew/test/test_formulary.rb
+++ b/Library/Homebrew/test/test_formulary.rb
@@ -1,4 +1,7 @@
 require "testing_env"
+require "formula"
+require "formula_installer"
+require "bottles"
 
 class FormularyTest < Homebrew::TestCase
   def test_class_naming
diff --git a/Library/Homebrew/test/testing_env.rb b/Library/Homebrew/test/testing_env.rb
index b13dbb81fc..bca841f7f3 100644
--- a/Library/Homebrew/test/testing_env.rb
+++ b/Library/Homebrew/test/testing_env.rb
@@ -3,6 +3,7 @@ $:.unshift File.expand_path("../lib", __FILE__)
 
 require "simplecov" if ENV["HOMEBREW_TESTS_COVERAGE"]
 require "global"
+require "formulary"
 
 # Test environment setup
 %w[ENV Formula].each { |d| HOMEBREW_LIBRARY.join(d).mkpath }