diff --git a/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/metadata/repository/DubboServiceMetadataRepository.java b/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/metadata/repository/DubboServiceMetadataRepository.java
index a5be34df8..81751a618 100644
--- a/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/metadata/repository/DubboServiceMetadataRepository.java
+++ b/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/metadata/repository/DubboServiceMetadataRepository.java
@@ -237,9 +237,6 @@ public class DubboServiceMetadataRepository
 		dispatchEvent(new SubscribedServicesChangedEvent(this, oldSubscribedServices,
 				newSubscribedServices));
 
-		// clear old one, help GC
-		oldSubscribedServices.clear();
-
 		return newSubscribedServices.stream();
 	}