diff --git a/fe/fe-core/src/test/java/org/apache/doris/load/loadv2/LoadManagerTest.java b/fe/fe-core/src/test/java/org/apache/doris/load/loadv2/LoadManagerTest.java
index a6f5d1040c8704..07f41c5faac1cb 100644
--- a/fe/fe-core/src/test/java/org/apache/doris/load/loadv2/LoadManagerTest.java
+++ b/fe/fe-core/src/test/java/org/apache/doris/load/loadv2/LoadManagerTest.java
@@ -91,7 +91,6 @@ public void testSerializationNormal(@Mocked Env env, @Mocked InternalCatalog cat
         File file = serializeToFile(loadManager);
 
         // make it deserialized
-        Config.streaming_label_keep_max_second = 10;
         LoadManager newLoadManager = deserializeFromFile(file);
 
         Map<Long, LoadJob> loadJobs = Deencapsulation.getField(loadManager, fieldName);