diff --git a/tools/ci_check_duplicate_usb_vid_pid.py b/tools/ci_check_duplicate_usb_vid_pid.py
index dd6bf56709..cb4efc5f11 100644
--- a/tools/ci_check_duplicate_usb_vid_pid.py
+++ b/tools/ci_check_duplicate_usb_vid_pid.py
@@ -44,7 +44,9 @@ DEFAULT_IGNORELIST = [
     "feather_m0_express",
     "feather_m0_supersized",
     "cp32-m4",
-    "metro_m4_express"
+    "metro_m4_express",
+    "unexpectedmaker_feathers2",
+    "unexpectedmaker_feathers2_prerelease"
 ]
 
 cli_parser = argparse.ArgumentParser(description="USB VID/PID Duplicate Checker")