core/src/main/java/com/orientechnologies/orient/core/storage/impl/local/OStorageConfigurationSegment.java
private void clearConfigurationFiles() throws IOException {
    final Path file = storagePath.resolve(NAME);
    Files.deleteIfExists(file);

    final Path backupFile = storagePath.resolve(BACKUP_NAME);
    Files.deleteIfExists(backupFile);
  }
private void clearConfigurationFiles() throws IOException {
    final Path file = storagePath.resolve(NAME);
    Files.deleteIfExists(file);

    final Path backupFile = storagePath.resolve(BACKUP_NAME);
    Files.deleteIfExists(backupFile);
  }
Remove both backup and primary configuration files on delete

@see #update()