diff --git a/buildbot/master/master.cfg b/buildbot/master/master.cfg
index 4b2d4b34..f2fc7969 100644
--- a/buildbot/master/master.cfg
+++ b/buildbot/master/master.cfg
@@ -222,16 +222,6 @@ mac_rel_css_factory.addStep(steps.ShellCommand(command=["./mach", "test-css", "-
                                                logfiles={"test-css.log": "test-css.log"}))
 mac_rel_css_factory.addStep(steps.ShellCommand(command=["gzip", "test-css.log"], env=mac_test_env))
 
-mac_dev_ref_unit_factory = util.BuildFactory()
-mac_dev_ref_unit_factory.addStep(steps.Git(repourl=SERVO_REPO, mode="full", method="clobber"))
-mac_dev_ref_unit_factory.addStep(steps.Compile(command=["./mach", "build", "--release"]))
-mac_dev_ref_unit_factory.addStep(steps.ShellCommand(command=["./mach", "test-content"], env=common_test_env))
-mac_dev_ref_unit_factory.addStep(steps.ShellCommand(command=["./mach", "test-ref", "--kind", "cpu"],
-                                                    env=task_limited_test_env))
-mac_dev_ref_unit_factory.addStep(steps.ShellCommand(command=["./mach", "test-wpt", "--processes", "4", "--total-chunks", "2", "--this-chunk", "2", "--log-raw", "test-wpt.log"],
-                                                    env=common_test_env,
-                                                    logfiles={"test-wpt.log": "test-wpt.log"}))
-
 android_compile_env = dict({'ANDROID_SDK': '/home/servo/android-sdk-linux/',
                             'ANDROID_NDK': '/home/servo/android-ndk-r10c/',
                             'ANDROID_TOOLCHAIN': '/home/servo/ndk-toolchain/',