diff --git a/dubbo-common/src/main/java/org/apache/dubbo/common/extension/support/WrapperComparator.java b/dubbo-common/src/main/java/org/apache/dubbo/common/extension/support/WrapperComparator.java
index ead4a4f6e45..2fc54bd9a66 100644
--- a/dubbo-common/src/main/java/org/apache/dubbo/common/extension/support/WrapperComparator.java
+++ b/dubbo-common/src/main/java/org/apache/dubbo/common/extension/support/WrapperComparator.java
@@ -17,7 +17,6 @@
 package org.apache.dubbo.common.extension.support;
 
 import org.apache.dubbo.common.extension.Activate;
-import org.apache.dubbo.common.extension.SPI;
 
 import java.util.Comparator;
 
@@ -46,36 +45,15 @@ public int compare(Object o1, Object o2) {
         Class clazz1 = (Class) o1;
         Class clazz2 = (Class) o2;
 
-        Class<?> inf = findSpi(clazz1);
-
         OrderInfo a1 = parseOrder(clazz1);
         OrderInfo a2 = parseOrder(clazz2);
 
-        int n1 = a1 == null ? 0 : a1.order;
-        int n2 = a2 == null ? 0 : a2.order;
+        int n1 = a1.order;
+        int n2 = a2.order;
         // never return 0 even if n1 equals n2, otherwise, o1 and o2 will override each other in collection like HashSet
         return n1 > n2 ? 1 : -1;
     }
 
-    private Class<?> findSpi(Class clazz) {
-        if (clazz.getInterfaces().length == 0) {
-            return null;
-        }
-
-        for (Class<?> intf : clazz.getInterfaces()) {
-            if (intf.isAnnotationPresent(SPI.class)) {
-                return intf;
-            } else {
-                Class result = findSpi(intf);
-                if (result != null) {
-                    return result;
-                }
-            }
-        }
-
-        return null;
-    }
-
     private OrderInfo parseOrder(Class<?> clazz) {
         OrderInfo info = new OrderInfo();
         if (clazz.isAnnotationPresent(Activate.class)) {