....

src/main/java/cn/com/qmth/examcloud/web/cache/RandomCacheVersionHelper.java

@@ -1,9 +1,5 @@
 package cn.com.qmth.examcloud.web.cache;
 
-import java.util.Map;
-
-import com.google.common.collect.Maps;
-
 import cn.com.qmth.examcloud.web.redis.RedisClient;
 import cn.com.qmth.examcloud.web.support.SpringContextHolder;
 
@@ -18,10 +14,6 @@ public class RandomCacheVersionHelper {
 
 	private static RedisClient redisClient;
 
-	private static Map<Class<? extends RandomCacheBean>, String> presentMap = Maps.newHashMap();
-
-	private static Map<Class<? extends RandomCacheBean>, String> timeoutMap = Maps.newHashMap();
-
 	private static RedisClient getRedisClient() {
 		if (null == redisClient) {
 			redisClient = SpringContextHolder.getBean(RedisClient.class);