diff --git a/Library/Homebrew/test/test_integration_cmds.rb b/Library/Homebrew/test/test_integration_cmds.rb
index 8c1278cbe8..298485b3c3 100644
--- a/Library/Homebrew/test/test_integration_cmds.rb
+++ b/Library/Homebrew/test/test_integration_cmds.rb
@@ -43,6 +43,10 @@ class IntegrationCommandTests < Homebrew::TestCase
     end
   end
 
+  def needs_osx
+    skip "Not on OS X" unless OS.mac?
+  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}"
@@ -654,12 +658,14 @@ class IntegrationCommandTests < Homebrew::TestCase
 
   def test_cask
     needs_test_cmd_taps
+    needs_osx
     setup_remote_tap("caskroom/cask")
     cmd("cask", "list")
   end
 
   def test_services
     needs_test_cmd_taps
+    needs_osx
     setup_remote_tap("homebrew/services")
     assert_equal "Warning: No services available to control with `brew services`",
       cmd("services", "list")