diff --git a/dubbo-common/src/main/java/com/alibaba/dubbo/common/Parameters.java b/dubbo-common/src/main/java/com/alibaba/dubbo/common/Parameters.java
index fcc39b02d2..363bf81675 100644
--- a/dubbo-common/src/main/java/com/alibaba/dubbo/common/Parameters.java
+++ b/dubbo-common/src/main/java/com/alibaba/dubbo/common/Parameters.java
@@ -30,7 +30,6 @@ import com.alibaba.dubbo.common.utils.StringUtils;
  * @author tony.chenl
  */
 @Deprecated
-@Extension
 public class Parameters {
         private final Map<String, String> parameters;