@Override
    public void remove(String key) {
        if (key == null) {
            return;
        }

        Map<String, String> current = readWriteThreadLocalMap.get();
        if (current != null) {
            current.remove(key);
            nullifyReadOnlyThreadLocalMap();
        }
    }
<p>Remove the context identified by the <code>key</code> parameter.
<p/>
zlt-commons/zlt-log-spring-boot-starter/src/main/java/org/slf4j/TtlMDCAdapter.java