diff --git a/fe/fe-core/src/main/java/com/starrocks/analysis/BrokerDesc.java b/fe/fe-core/src/main/java/com/starrocks/analysis/BrokerDesc.java
index 5bf80b8e3f5b7..84a5cb4d7c3a0 100644
--- a/fe/fe-core/src/main/java/com/starrocks/analysis/BrokerDesc.java
+++ b/fe/fe-core/src/main/java/com/starrocks/analysis/BrokerDesc.java
@@ -21,6 +21,7 @@
 import com.starrocks.common.io.Text;
 import com.starrocks.common.io.Writable;
 import com.starrocks.common.util.PrintableMap;
+import com.starrocks.sql.ast.LoadStmt;
 
 import java.io.DataInput;
 import java.io.DataOutput;
@@ -74,6 +75,13 @@ public Map<String, String> getProperties() {
         return properties;
     }
 
+    public String getMergeConditionStr() {
+        if (properties.containsKey(LoadStmt.MERGE_CONDITION)) {
+            return properties.get(LoadStmt.MERGE_CONDITION);
+        }
+        return "";
+    }
+
     @Override
     public void write(DataOutput out) throws IOException {
         Text.writeString(out, name);
diff --git a/fe/fe-core/src/main/java/com/starrocks/load/loadv2/BrokerLoadJob.java b/fe/fe-core/src/main/java/com/starrocks/load/loadv2/BrokerLoadJob.java
index 4193c7e580b41..a2dd3501ab40b 100644
--- a/fe/fe-core/src/main/java/com/starrocks/load/loadv2/BrokerLoadJob.java
+++ b/fe/fe-core/src/main/java/com/starrocks/load/loadv2/BrokerLoadJob.java
@@ -226,11 +226,12 @@ private void createLoadingTask(Database db, BrokerPendingTaskAttachment attachme
                             + tableId + " not found");
                 }
 
+                String mergeCondition = (brokerDesc == null) ? "" : brokerDesc.getMergeConditionStr();
                 // Generate loading task and init the plan of task
                 LoadLoadingTask task = new LoadLoadingTask(db, table, brokerDesc,
                         brokerFileGroups, getDeadlineMs(), loadMemLimit,
                         strictMode, transactionId, this, timezone, timeoutSecond,
-                        createTimestamp, partialUpdate, mergeConditionStr, sessionVariables,
+                        createTimestamp, partialUpdate, mergeCondition, sessionVariables,
                         context,  TLoadJobType.BROKER, priority);
                 UUID uuid = UUID.randomUUID();
                 TUniqueId loadId = new TUniqueId(uuid.getMostSignificantBits(), uuid.getLeastSignificantBits());
diff --git a/fe/fe-core/src/main/java/com/starrocks/load/loadv2/LoadJob.java b/fe/fe-core/src/main/java/com/starrocks/load/loadv2/LoadJob.java
index 1bad51eabd4cd..035e623866e0b 100644
--- a/fe/fe-core/src/main/java/com/starrocks/load/loadv2/LoadJob.java
+++ b/fe/fe-core/src/main/java/com/starrocks/load/loadv2/LoadJob.java
@@ -25,8 +25,6 @@
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
-import com.google.gson.JsonObject;
-import com.google.gson.JsonParser;
 import com.google.gson.annotations.SerializedName;
 import com.starrocks.catalog.AuthorizationInfo;
 import com.starrocks.catalog.Database;
@@ -93,8 +91,6 @@ public abstract class LoadJob extends AbstractTxnStateChangeCallback implements
     public static final String UNSELECTED_ROWS = "unselected.rows";
     public static final String LOADED_BYTES = "loaded.bytes";
 
-    public static final String JSON_MERGE_CONDITION_KEY = "mergeCondition";
-
     private static final int TASK_SUBMIT_RETRY_NUM = 2;
 
     protected long id;
@@ -118,7 +114,6 @@ public abstract class LoadJob extends AbstractTxnStateChangeCallback implements
     // reuse deleteFlag as partialUpdate
     // @Deprecated
     // protected boolean deleteFlag = false;
-    protected String mergeConditionStr = "";
 
     protected long createTimestamp = -1;
     protected long loadStartTimestamp = -1;
@@ -310,10 +305,6 @@ protected void setJobProperties(Map<String, String> properties) throws DdlExcept
                 partialUpdate = Boolean.valueOf(properties.get(LoadStmt.PARTIAL_UPDATE));
             }
 
-            if (properties.containsKey(LoadStmt.MERGE_CONDITION)) {
-                mergeConditionStr = properties.get(LoadStmt.MERGE_CONDITION);
-            }
-
             if (properties.containsKey(LoadStmt.LOAD_MEM_LIMIT)) {
                 try {
                     loadMemLimit = Long.parseLong(properties.get(LoadStmt.LOAD_MEM_LIMIT));
@@ -1015,9 +1006,6 @@ public void write(DataOutput out) throws IOException {
             authorizationInfo.write(out);
         }
         Text.writeString(out, timezone);
-        JsonObject jsonObject = new JsonObject();
-        jsonObject.addProperty(JSON_MERGE_CONDITION_KEY, mergeConditionStr);
-        Text.writeString(out, jsonObject.toString());
     }
 
     public void readFields(DataInput in) throws IOException {
@@ -1062,15 +1050,6 @@ public void readFields(DataInput in) throws IOException {
         if (GlobalStateMgr.getCurrentStateJournalVersion() >= FeMetaVersion.VERSION_61) {
             timezone = Text.readString(in);
         }
-        String mergeConditionJson = Text.readString(in);
-        try {
-            JsonObject jsonObject = JsonParser.parseString(mergeConditionJson).getAsJsonObject();
-            if (jsonObject.has(JSON_MERGE_CONDITION_KEY)) {
-                mergeConditionStr = jsonObject.getAsJsonPrimitive(JSON_MERGE_CONDITION_KEY).getAsString();
-            }
-        } catch (Exception e) {
-            LOG.warn("Load job last string is not json " + mergeConditionJson);
-        }
     }
 
     public void replayUpdateStateInfo(LoadJobStateUpdateInfo info) {