diff --git a/dubbo-metadata/dubbo-metadata-processor/src/main/java/org/apache/dubbo/metadata/annotation/processing/rest/ServiceRestMetadataStorage.java b/dubbo-metadata/dubbo-metadata-processor/src/main/java/org/apache/dubbo/metadata/annotation/processing/rest/ServiceRestMetadataStorage.java
index 83afe246b2..73e9871181 100644
--- a/dubbo-metadata/dubbo-metadata-processor/src/main/java/org/apache/dubbo/metadata/annotation/processing/rest/ServiceRestMetadataStorage.java
+++ b/dubbo-metadata/dubbo-metadata-processor/src/main/java/org/apache/dubbo/metadata/annotation/processing/rest/ServiceRestMetadataStorage.java
@@ -23,7 +23,6 @@ import com.google.gson.Gson;
 
 import javax.annotation.processing.ProcessingEnvironment;
 import java.io.IOException;
-import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Set;