diff --git a/selfdrive/car/__init__.py b/selfdrive/car/__init__.py
index bbdae4f3d4..4a1df550d0 100644
--- a/selfdrive/car/__init__.py
+++ b/selfdrive/car/__init__.py
@@ -1,5 +1,5 @@
 # functions common among cars
-from collections import defaultdict, namedtuple
+from collections import namedtuple
 from dataclasses import dataclass
 from enum import IntFlag, ReprEnum, EnumType
 from dataclasses import replace
@@ -276,19 +276,3 @@ class Platforms(str, ReprEnum, metaclass=PlatformsType):
   @classmethod
   def with_flags(cls, flags: IntFlag) -> set['Platforms']:
     return {p for p in cls if p.config.flags & flags}
-
-  @classmethod
-  def without_flags(cls, flags: IntFlag) -> set['Platforms']:
-    return {p for p in cls if not (p.config.flags & flags)}
-
-  @classmethod
-  def print_debug(cls, flags):
-    platforms_with_flag = defaultdict(list)
-    for flag in flags:
-      for platform in cls:
-        if platform.config.flags & flag:
-          assert flag.name is not None
-          platforms_with_flag[flag.name].append(platform)
-
-    for flag, platforms in platforms_with_flag.items():
-      print(f"{flag:32s}: {', '.join(p.name for p in platforms)}")
diff --git a/selfdrive/car/hyundai/values.py b/selfdrive/car/hyundai/values.py
index 2456e4aa6e..2518d3807b 100644
--- a/selfdrive/car/hyundai/values.py
+++ b/selfdrive/car/hyundai/values.py
@@ -746,6 +746,3 @@ LEGACY_SAFETY_MODE_CAR = CAR.with_flags(HyundaiFlags.LEGACY)
 UNSUPPORTED_LONGITUDINAL_CAR = CAR.with_flags(HyundaiFlags.LEGACY) | CAR.with_flags(HyundaiFlags.UNSUPPORTED_LONGITUDINAL)
 
 DBC = CAR.create_dbc_map()
-
-if __name__ == "__main__":
-  CAR.print_debug(HyundaiFlags)
diff --git a/selfdrive/car/subaru/values.py b/selfdrive/car/subaru/values.py
index e8ced2b9af..dcbea1979f 100644
--- a/selfdrive/car/subaru/values.py
+++ b/selfdrive/car/subaru/values.py
@@ -273,6 +273,3 @@ FW_QUERY_CONFIG = FwQueryConfig(
 )
 
 DBC = CAR.create_dbc_map()
-
-if __name__ == "__main__":
-  CAR.print_debug(SubaruFlags)
diff --git a/selfdrive/debug/print_flags.py b/selfdrive/debug/print_flags.py
new file mode 100755
index 0000000000..28e18f6f7e
--- /dev/null
+++ b/selfdrive/debug/print_flags.py
@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+from openpilot.selfdrive.car.values import BRANDS
+
+for brand in BRANDS:
+  all_flags = set()
+  for platform in brand:
+    if platform.config.flags != 0:
+      all_flags |= set(platform.config.flags)
+
+  if len(all_flags):
+    print(brand.__module__.split('.')[-2].upper() + ':')
+    for flag in sorted(all_flags):
+      print(f'  {flag.name:<24}: ', end='')
+      for platform in brand:
+        if platform.config.flags & flag:
+          print(platform.name, end=', ')
+      print()
+    print()
diff --git a/tools/car_porting/examples/subaru_fuzzy_fingerprint.ipynb b/tools/car_porting/examples/subaru_fuzzy_fingerprint.ipynb
index 99efc45aca..1048011c05 100644
--- a/tools/car_porting/examples/subaru_fuzzy_fingerprint.ipynb
+++ b/tools/car_porting/examples/subaru_fuzzy_fingerprint.ipynb
@@ -18,7 +18,7 @@
     "from openpilot.selfdrive.car.subaru.values import CAR, SubaruFlags\n",
     "from openpilot.selfdrive.car.subaru.fingerprints import FW_VERSIONS\n",
     "\n",
-    "TEST_PLATFORMS = CAR.without_flags(SubaruFlags.PREGLOBAL)\n",
+    "TEST_PLATFORMS = set(CAR) - CAR.with_flags(SubaruFlags.PREGLOBAL)\n",
     "\n",
     "Ecu = car.CarParams.Ecu\n",
     "\n",