diff --git a/selfdrive/car/subaru/values.py b/selfdrive/car/subaru/values.py
index 76f7e89660..d350c67ef7 100644
--- a/selfdrive/car/subaru/values.py
+++ b/selfdrive/car/subaru/values.py
@@ -122,9 +122,6 @@ FW_VERSIONS = {
       b'\x00\x00c\xf4\x00\x00\x00\x00',
       b'\x00\x00d\xdc\x00\x00\x00\x00',
     ],
-    (Ecu.fwdCamera, 0x7c4, None): [
-      b'\xf1\x00\xac\x02\x00',
-    ],
     (Ecu.engine, 0x7e0, None): [
       b'\xaa\x61\x66\x73\x07',
       b'\xbeacr\a',
diff --git a/selfdrive/car/tests/test_fw_fingerprint.py b/selfdrive/car/tests/test_fw_fingerprint.py
index 97683b3709..ae209b2910 100755
--- a/selfdrive/car/tests/test_fw_fingerprint.py
+++ b/selfdrive/car/tests/test_fw_fingerprint.py
@@ -4,6 +4,7 @@ import unittest
 from parameterized import parameterized
 
 from cereal import car
+from selfdrive.car.car_helpers import interfaces
 from selfdrive.car.fingerprints import FW_VERSIONS
 from selfdrive.car.fw_versions import match_fw_to_car
 
@@ -12,6 +13,7 @@ Ecu = car.CarParams.Ecu
 
 ECU_NAME = {v: k for k, v in Ecu.schema.enumerants.items()}
 
+
 class TestFwFingerprint(unittest.TestCase):
   def assertFingerprints(self, candidates, expected):
     candidates = list(candidates)
@@ -42,5 +44,19 @@ class TestFwFingerprint(unittest.TestCase):
 
     self.assertTrue(passed, "Duplicate FW versions found")
 
+  def test_blacklisted_ecus(self):
+    passed = True
+    blacklisted_addrs = (0x7c4, 0x7d0)  # includes A/C ecu and an unknown ecu
+    for car_model, ecus in FW_VERSIONS.items():
+      CP = interfaces[car_model][0].get_params(car_model)
+      if CP.carName == 'subaru':
+        for ecu in ecus.keys():
+          if ecu[1] in blacklisted_addrs:
+            print(f'{car_model}: Blacklisted ecu: (Ecu.{ECU_NAME[ecu[0]]}, {hex(ecu[1])})')
+            passed = False
+
+    self.assertTrue(passed, "Blacklisted FW versions found")
+
+
 if __name__ == "__main__":
   unittest.main()