@Override
    public void deleteTopic(String connector, String topic) {
        ConcurrentMap<String, TopicStatus> activeTopics = topics.get(Objects.requireNonNull(connector));
        if (activeTopics != null) {
            activeTopics.remove(Objects.requireNonNull(topic));
        }
    }
An implementation of StatusBackingStore that stores statuses in-memory.
connect/runtime/src/main/java/org/apache/kafka/connect/storage/MemoryStatusBackingStore.java