public void removeCacheFromCache(final String geocode) {
        if (StringUtils.isBlank(geocode)) {
            throw new IllegalArgumentException("geocode must not be empty");
        }
        synchronized (this) {
            cachesCache.remove(geocode);
        }
    }
@param geocode Geocode of the cache to remove from the cache
main/src/main/java/cgeo/geocaching/storage/CacheCache.java