diff --git a/internal/storage/db.go b/internal/storage/sub_prefix_db.go
similarity index 100%
rename from internal/storage/db.go
rename to internal/storage/sub_prefix_db.go
diff --git a/internal/storage/db_test.go b/internal/storage/sub_prefix_db_test.go
similarity index 100%
rename from internal/storage/db_test.go
rename to internal/storage/sub_prefix_db_test.go