diff --git a/internal/ingest/endpoint_matching_test.go b/internal/ingest/endpoint_matching_test.go
index 24596fb..52d1219 100644
--- a/internal/ingest/endpoint_matching_test.go
+++ b/internal/ingest/endpoint_matching_test.go
@@ -19,10 +19,6 @@ type endpointRoutingDB struct {
 	paths     []string
 }
 
-func (s *endpointRoutingDB) InsertObservation(context.Context, InsertObservationParams) (bool, error) {
-	return true, nil
-}
-
 func (s *endpointRoutingDB) ResolveEndpointHashes(_ context.Context, iata string, hashes [][]byte) (map[string][]api.ResolvedPathEntry, error) {
 	for _, hash := range hashes {
 		s.endpoints = append(s.endpoints, iata+":"+hex.EncodeToString(hash))