diff --git a/.zuul.yaml b/.zuul.yaml
index e7f2668930..e660431b00 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -263,8 +263,6 @@
         NOVA_BACKEND: LVM
         # Do not waste time clearing volumes.
         LVM_VOLUME_CLEAR: none
-        # Disable SSH validation in tests to save time.
-        TEMPEST_RUN_VALIDATION: false
         # Increase the size of the swift loopback device to accommodate RAW
         # snapshots from the LV based instance disks.
         # See bug #1913451 for more details.