diff --git a/config/chromeos_config.py b/config/chromeos_config.py
index b35fc2e..1d99b07 100644
--- a/config/chromeos_config.py
+++ b/config/chromeos_config.py
@@ -2734,6 +2734,23 @@
 
   }
 
+  # Some Unibuild boards need to have hardware tests disabled.  This means
+  # disabling it at the model level as well.
+  _unibuild_disabled_hw_tests = frozenset([
+      'drallion-release',  # b/160005408.
+  ])
+  for config_name in _unibuild_disabled_hw_tests:
+    config = site_config.get(config_name)
+    if config and 'models' in config:
+      models = []
+      for model in config['models']:
+        models.append(
+            config_lib.ModelTestConfig(
+                model.name,
+                model.lab_board_name, [],
+                enable_skylab=model.enable_skylab))
+      overwritten_configs[config_name]['models'] = models
+
   # Some boards in toolchain builder are not using the same configuration as
   # release builders. Configure it here since it's easier, for both
   # llvm-toolchain and llvm-next-toolchain builders.
diff --git a/config/config_dump.json b/config/config_dump.json
index 068088e..2e228e4 100644
--- a/config/config_dump.json
+++ b/config/config_dump.json
@@ -8104,8 +8104,8 @@
             "drallion"
         ],
         "models": [
-            "{\n    \"enable_skylab\": true,\n    \"lab_board_name\": \"drallion\",\n    \"name\": \"drallion\",\n    \"test_suites\": [\n        \"sanity\",\n        \"bvt-inline\",\n        \"bvt-tast-cq\",\n        \"bvt-installer\",\n        \"bvt-arc\",\n        \"au\",\n        \"bvt-cq\",\n        \"bvt-perbuild\",\n        \"bvt-tast-informational\"\n    ]\n}",
-            "{\n    \"enable_skylab\": true,\n    \"lab_board_name\": \"drallion\",\n    \"name\": \"drallion360\",\n    \"test_suites\": [\n        \"sanity\",\n        \"bvt-inline\",\n        \"bvt-tast-cq\",\n        \"bvt-installer\",\n        \"bvt-arc\",\n        \"au\",\n        \"bvt-cq\",\n        \"bvt-perbuild\",\n        \"bvt-tast-informational\"\n    ]\n}",
+            "{\n    \"enable_skylab\": true,\n    \"lab_board_name\": \"drallion\",\n    \"name\": \"drallion\",\n    \"test_suites\": []\n}",
+            "{\n    \"enable_skylab\": true,\n    \"lab_board_name\": \"drallion\",\n    \"name\": \"drallion360\",\n    \"test_suites\": []\n}",
             "{\n    \"enable_skylab\": true,\n    \"lab_board_name\": \"drallion\",\n    \"name\": \"drallion360_signed\",\n    \"test_suites\": []\n}",
             "{\n    \"enable_skylab\": true,\n    \"lab_board_name\": \"drallion\",\n    \"name\": \"drallion_signed\",\n    \"test_suites\": []\n}"
         ],
@@ -8135,8 +8135,8 @@
         "hw_tests_override": null,
         "luci_builder": "Try",
         "models": [
-            "{\n    \"enable_skylab\": true,\n    \"lab_board_name\": \"drallion\",\n    \"name\": \"drallion\",\n    \"test_suites\": [\n        \"sanity\",\n        \"bvt-inline\",\n        \"bvt-tast-cq\",\n        \"bvt-installer\",\n        \"bvt-arc\",\n        \"au\",\n        \"bvt-cq\",\n        \"bvt-perbuild\",\n        \"bvt-tast-informational\"\n    ]\n}",
-            "{\n    \"enable_skylab\": true,\n    \"lab_board_name\": \"drallion\",\n    \"name\": \"drallion360\",\n    \"test_suites\": [\n        \"sanity\",\n        \"bvt-inline\",\n        \"bvt-tast-cq\",\n        \"bvt-installer\",\n        \"bvt-arc\",\n        \"au\",\n        \"bvt-cq\",\n        \"bvt-perbuild\",\n        \"bvt-tast-informational\"\n    ]\n}",
+            "{\n    \"enable_skylab\": true,\n    \"lab_board_name\": \"drallion\",\n    \"name\": \"drallion\",\n    \"test_suites\": []\n}",
+            "{\n    \"enable_skylab\": true,\n    \"lab_board_name\": \"drallion\",\n    \"name\": \"drallion360\",\n    \"test_suites\": []\n}",
             "{\n    \"enable_skylab\": true,\n    \"lab_board_name\": \"drallion\",\n    \"name\": \"drallion360_signed\",\n    \"test_suites\": []\n}",
             "{\n    \"enable_skylab\": true,\n    \"lab_board_name\": \"drallion\",\n    \"name\": \"drallion_signed\",\n    \"test_suites\": []\n}"
         ],