diff --git a/meta-yocto/conf/local.conf.sample b/meta-yocto/conf/local.conf.sample
index 81fc121c54..31e760544f 100644
--- a/meta-yocto/conf/local.conf.sample
+++ b/meta-yocto/conf/local.conf.sample
@@ -173,23 +173,9 @@ USER_CLASSES ?= "buildstats image-mklibs image-prelink"
 #
 # The build system can test booting virtual machine images under qemu (an emulator)
 # after any root filesystems are created and run tests against those images. To
-# enable this uncomment this line
-#IMAGETEST = "qemu"
-#
-# This variable controls which tests are run against virtual images if enabled
-# above. The following would enable bat, boot the test case under the sanity suite
-# and perform toolchain tests
-#TEST_SCEN = "sanity bat sanity:boot toolchain"
-#
-# Because of the QEMU booting slowness issue (see bug #646 and #618), the
-# autobuilder may suffer a timeout issue when running sanity tests. We introduce
-# the variable TEST_SERIALIZE here to reduce the time taken by the sanity tests.
-# It is set to 1 by default, which will boot the image and run cases in the same
-# image without rebooting or killing the machine instance. If it is set to 0, the
-# image will be copied and tested for each case, which will take longer but be
-# more precise.
-#TEST_SERIALIZE = "1"
-
+# enable this uncomment this line. See classes/testimage(-auto).bbclass for
+# further details.
+#TEST_IMAGE = "1"
 #
 # Interactive shell configuration
 #