diff --git a/paimon-flink/paimon-flink-common/src/main/java/org/apache/paimon/flink/sink/RewriteFileIndexSink.java b/paimon-flink/paimon-flink-common/src/main/java/org/apache/paimon/flink/sink/RewriteFileIndexSink.java
index 8cd1d238b23f..d9f863c6b919 100644
--- a/paimon-flink/paimon-flink-common/src/main/java/org/apache/paimon/flink/sink/RewriteFileIndexSink.java
+++ b/paimon-flink/paimon-flink-common/src/main/java/org/apache/paimon/flink/sink/RewriteFileIndexSink.java
@@ -45,13 +45,10 @@
 import org.apache.paimon.utils.FileStorePathFactory;
 import org.apache.paimon.utils.Pair;
 
-import org.apache.flink.streaming.api.graph.StreamConfig;
 import org.apache.flink.streaming.api.operators.OneInputStreamOperatorFactory;
-import org.apache.flink.streaming.api.operators.Output;
 import org.apache.flink.streaming.api.operators.StreamOperator;
 import org.apache.flink.streaming.api.operators.StreamOperatorParameters;
 import org.apache.flink.streaming.runtime.streamrecord.StreamRecord;
-import org.apache.flink.streaming.runtime.tasks.StreamTask;
 
 import javax.annotation.Nullable;
 
@@ -113,26 +110,14 @@ private static class FileIndexModificationOperator
 
         private static final long serialVersionUID = 1L;
 
-        private final FileStoreTable table;
-
-        private transient FileIndexProcessor fileIndexProcessor;
-        private transient List<CommitMessage> messages;
+        private final transient FileIndexProcessor fileIndexProcessor;
+        private final transient List<CommitMessage> messages;
 
         private FileIndexModificationOperator(
                 StreamOperatorParameters<Committable> parameters,
                 Options options,
                 FileStoreTable table) {
             super(parameters, options);
-            this.table = table;
-        }
-
-        @Override
-        public void setup(
-                StreamTask<?, ?> containingTask,
-                StreamConfig config,
-                Output<StreamRecord<Committable>> output) {
-            super.setup(containingTask, config, output);
-
             this.fileIndexProcessor = new FileIndexProcessor(table);
             this.messages = new ArrayList<>();
         }
diff --git a/paimon-flink/paimon-flink-common/src/main/java/org/apache/paimon/flink/sink/RowDataStoreWriteOperator.java b/paimon-flink/paimon-flink-common/src/main/java/org/apache/paimon/flink/sink/RowDataStoreWriteOperator.java
index 3c93f5d409ce..8009bec9677f 100644
--- a/paimon-flink/paimon-flink-common/src/main/java/org/apache/paimon/flink/sink/RowDataStoreWriteOperator.java
+++ b/paimon-flink/paimon-flink-common/src/main/java/org/apache/paimon/flink/sink/RowDataStoreWriteOperator.java
@@ -32,16 +32,13 @@
 import org.apache.flink.runtime.state.StateInitializationContext;
 import org.apache.flink.runtime.state.StateSnapshotContext;
 import org.apache.flink.streaming.api.functions.sink.SinkFunction;
-import org.apache.flink.streaming.api.graph.StreamConfig;
 import org.apache.flink.streaming.api.operators.InternalTimerService;
-import org.apache.flink.streaming.api.operators.Output;
 import org.apache.flink.streaming.api.operators.StreamOperator;
 import org.apache.flink.streaming.api.operators.StreamOperatorFactory;
 import org.apache.flink.streaming.api.operators.StreamOperatorParameters;
 import org.apache.flink.streaming.api.watermark.Watermark;
 import org.apache.flink.streaming.runtime.streamrecord.StreamRecord;
 import org.apache.flink.streaming.runtime.tasks.ProcessingTimeService;
-import org.apache.flink.streaming.runtime.tasks.StreamTask;
 import org.apache.flink.streaming.util.functions.StreamingFunctionUtils;
 
 import javax.annotation.Nullable;
@@ -72,14 +69,6 @@ protected RowDataStoreWriteOperator(
             String initialCommitUser) {
         super(parameters, table, storeSinkWriteProvider, initialCommitUser);
         this.logSinkFunction = logSinkFunction;
-    }
-
-    @Override
-    public void setup(
-            StreamTask<?, ?> containingTask,
-            StreamConfig config,
-            Output<StreamRecord<Committable>> output) {
-        super.setup(containingTask, config, output);
         if (logSinkFunction != null) {
             FunctionUtils.setFunctionRuntimeContext(logSinkFunction, getRuntimeContext());
         }
diff --git a/paimon-flink/paimon-flink-common/src/test/java/org/apache/paimon/flink/sink/LocalMergeOperatorTest.java b/paimon-flink/paimon-flink-common/src/test/java/org/apache/paimon/flink/sink/LocalMergeOperatorTest.java
index e7d98d3a8c65..fc45eceb3fd5 100644
--- a/paimon-flink/paimon-flink-common/src/test/java/org/apache/paimon/flink/sink/LocalMergeOperatorTest.java
+++ b/paimon-flink/paimon-flink-common/src/test/java/org/apache/paimon/flink/sink/LocalMergeOperatorTest.java
@@ -26,12 +26,18 @@
 import org.apache.paimon.types.RowKind;
 import org.apache.paimon.types.RowType;
 
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.runtime.operators.testutils.DummyEnvironment;
 import org.apache.flink.streaming.api.operators.Output;
+import org.apache.flink.streaming.api.operators.StreamOperatorParameters;
 import org.apache.flink.streaming.api.watermark.Watermark;
 import org.apache.flink.streaming.runtime.streamrecord.LatencyMarker;
 import org.apache.flink.streaming.runtime.streamrecord.RecordAttributes;
 import org.apache.flink.streaming.runtime.streamrecord.StreamRecord;
+import org.apache.flink.streaming.runtime.tasks.SourceOperatorStreamTask;
 import org.apache.flink.streaming.runtime.watermarkstatus.WatermarkStatus;
+import org.apache.flink.streaming.util.MockOutput;
+import org.apache.flink.streaming.util.MockStreamConfig;
 import org.apache.flink.util.OutputTag;
 import org.junit.jupiter.api.Test;
 
@@ -151,7 +157,17 @@ private void prepareHashOperator(Map<String, String> options) throws Exception {
                         Collections.singletonList("f0"),
                         options,
                         null);
-        operator = new LocalMergeOperator.Factory(schema).createStreamOperator(null);
+        operator =
+                new LocalMergeOperator.Factory(schema)
+                        .createStreamOperator(
+                                new StreamOperatorParameters<>(
+                                        new SourceOperatorStreamTask<Integer>(
+                                                new DummyEnvironment()),
+                                        new MockStreamConfig(new Configuration(), 1),
+                                        new MockOutput<>(new ArrayList<>()),
+                                        null,
+                                        null,
+                                        null));
         operator.open();
         assertThat(operator.merger()).isInstanceOf(HashMapLocalMerger.class);
     }