diff --git a/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/RegistryConfigTest.java b/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/RegistryConfigTest.java
index 1d9bbe2038f..086a4fa589f 100644
--- a/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/RegistryConfigTest.java
+++ b/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/RegistryConfigTest.java
@@ -69,6 +69,7 @@ public void testWait() throws Exception {
         registry.setWait(10);
         assertThat(registry.getWait(), is(10));
         assertThat(System.getProperty(Constants.SHUTDOWN_WAIT_KEY), equalTo("10"));
+        System.clearProperty(Constants.SHUTDOWN_WAIT_KEY);
     }
 
     @Test