jodd-core/src/main/java/jodd/util/collection/StringKeyedMapAdapter.java
@Override
	public Object remove(final Object key) {
		entries = null;
		Object value = get(key);
		removeAttribute(key.toString());
		return value;
	}
@Override
	public Object remove(final Object key) {
		entries = null;
		Object value = get(key);
		removeAttribute(key.toString());
		return value;
	}
Removes the specified request attribute.