diff --git a/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/mq/CorpusProcessKafkaProducer.java b/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/mq/CorpusProcessKafkaProducer.java
index 0c935bc..433656e 100644
--- a/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/mq/CorpusProcessKafkaProducer.java
+++ b/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/mq/CorpusProcessKafkaProducer.java
@@ -109,8 +109,6 @@ public class CorpusProcessKafkaProducer {
 
 			String message = (String) record.value();
 			AicorpusTelephoneDTO aicorpusTelephone = objectMapper.readValue(message, AicorpusTelephoneDTO.class);
-			DisplayDTO display = objectMapper.readValue(aicorpusTelephone.getDisplay(), DisplayDTO.class);
-
 			TmTelephoneCorpus tmTelephoneCorpus = new TmTelephoneCorpus();
 			BeanUtils.copyProperties(aicorpusTelephone, tmTelephoneCorpus);
 			tmTelephoneCorpus.setCreateBy("kafka");
diff --git a/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/DataMaskingRuleServiceImpl.java b/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/DataMaskingRuleServiceImpl.java
index 153a204..2346b10 100644
--- a/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/DataMaskingRuleServiceImpl.java
+++ b/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/DataMaskingRuleServiceImpl.java
@@ -11,10 +11,8 @@ import com.volvo.ai.analytic.center.service.DataMaskingRuleService;
 import com.volvo.ai.analytic.center.utils.RedisUtil;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.stereotype.Service;
 
-import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
 import java.util.concurrent.TimeUnit;