diff --git a/cbuildbot/chromeos_config.py b/cbuildbot/chromeos_config.py
index b8462a9..5c0d470 100644
--- a/cbuildbot/chromeos_config.py
+++ b/cbuildbot/chromeos_config.py
@@ -2089,7 +2089,6 @@
   site_config.AddConfig(
       _release, 'bayleybay-release',
       boards=['bayleybay'],
-      hw_tests=[],
       vm_tests=[],
       unittests=False,
   )
@@ -2097,7 +2096,6 @@
   site_config.AddConfig(
       _release, 'beltino-release',
       boards=['beltino'],
-      hw_tests=[],
       vm_tests=[],
   )
 
@@ -2106,7 +2104,6 @@
   site_config.AddConfig(
       _release, 'bobcat-release',
       boards=['bobcat'],
-      hw_tests=[],
       profile='minimal',
       # This build doesn't generate signed images, so don't try to release them.
       paygen=False,
@@ -2245,7 +2242,6 @@
   site_config.AddConfig(
       _release, 'rush-release',
       _base_configs['rush'],
-      hw_tests=[],
       # This build doesn't generate signed images, so don't try to release them.
       paygen=False,
       signer_tests=False,
@@ -2259,20 +2255,17 @@
       paygen=False,
       signer_tests=False,
       push_image=False,
-      hw_tests=[],
   )
 
   site_config.AddConfig(
       _release, 'veyron_mickey-release',
       _base_configs['veyron_mickey'],
-      hw_tests=[],
       vm_tests=[],
   )
 
   site_config.AddConfig(
       _release, 'veyron_romy-release',
       _base_configs['veyron_romy'],
-      hw_tests=[],
       vm_tests=[],
   )
 
diff --git a/cbuildbot/config_dump.json b/cbuildbot/config_dump.json
index 9de5897..1b80a91 100644
--- a/cbuildbot/config_dump.json
+++ b/cbuildbot/config_dump.json
@@ -2700,7 +2700,6 @@
         "boards": [
             "bayleybay"
         ],
-        "hw_tests": [],
         "unittests": false,
         "vm_tests": []
     },
@@ -3471,7 +3470,6 @@
         "boards": [
             "beltino"
         ],
-        "hw_tests": [],
         "vm_tests": []
     },
     "beltino-release-afdo": {
@@ -3638,7 +3636,6 @@
         "boards": [
             "bobcat"
         ],
-        "hw_tests": [],
         "paygen": false,
         "profile": "minimal",
         "signer_tests": false
@@ -16729,7 +16726,6 @@
         "boards": [
             "rush"
         ],
-        "hw_tests": [],
         "paygen": false,
         "signer_tests": false,
         "vm_tests": []
@@ -16894,7 +16890,6 @@
             "rush_ryu"
         ],
         "dev_installer_prebuilts": false,
-        "hw_tests": [],
         "images": [
             "base",
             "test",
@@ -20406,7 +20401,6 @@
                 "build_packages_in_background": true,
                 "chrome_sdk_build_chrome": false,
                 "grouped": true,
-                "hw_tests": [],
                 "name": "veyron_mickey-release",
                 "unittests": null,
                 "vm_tests": []
@@ -21517,7 +21511,6 @@
         "boards": [
             "veyron_mickey"
         ],
-        "hw_tests": [],
         "vm_tests": []
     },
     "veyron_mickey-release-afdo": {
@@ -22525,7 +22518,6 @@
         "boards": [
             "veyron_romy"
         ],
-        "hw_tests": [],
         "vm_tests": []
     },
     "veyron_romy-release-afdo": {