diff --git a/selfdrive/car/fw_versions.py b/selfdrive/car/fw_versions.py
index 59794bffb4..88e886672a 100755
--- a/selfdrive/car/fw_versions.py
+++ b/selfdrive/car/fw_versions.py
@@ -163,48 +163,6 @@ def get_brand_addrs_bus(num_pandas=1):
   return brand_addrs
 
 
-
-def get_present_ecus_original(logcan, sendcan, num_pandas=1) -> Set[Tuple[int, Optional[int], int]]:
-  # TODO: batch requests by multiplexed OBD
-  queries = list()
-  parallel_queries = list()
-  responses = set()
-
-  for brand, r in REQUESTS:
-    # Skip query if no panda available
-    if r.bus > num_pandas * 4 - 1:
-      continue
-
-    for brand_versions in VERSIONS[brand].values():
-      for ecu_type, addr, sub_addr in brand_versions:
-        # Only query ecus in whitelist if whitelist is not empty
-        if len(r.whitelist_ecus) == 0 or ecu_type in r.whitelist_ecus:
-          a = (addr, sub_addr, r.bus)
-          # Build set of queries
-          if sub_addr is None:
-            if a not in parallel_queries:
-              parallel_queries.append(a)
-          else:  # subaddresses must be queried one by one
-            if [a] not in queries:
-              queries.append([a])
-
-          # Build set of expected responses to filter
-          response_addr = uds.get_rx_addr_for_tx_addr(addr, r.rx_offset)
-          responses.add((response_addr, sub_addr, r.bus))
-
-  # print(queries)
-  # print()
-  # print(parallel_queries)
-  queries.insert(0, parallel_queries)
-
-
-  ecu_responses = set()
-  for query in queries:
-    print(query)
-    ecu_responses.update(get_ecu_addrs(logcan, sendcan, set(query), responses, timeout=0.1))
-  return ecu_responses
-
-
 def get_present_ecus(logcan, sendcan, num_pandas=1) -> Set[Tuple[int, Optional[int], int]]:
   params = Params()
   queries = defaultdict(list)