diff --git a/kernel/data-pipeline/core/src/main/java/org/apache/shardingsphere/data/pipeline/core/metadata/generator/PipelineDDLGenerator.java b/kernel/data-pipeline/core/src/main/java/org/apache/shardingsphere/data/pipeline/core/metadata/generator/PipelineDDLGenerator.java
index 37d281e4da6a7..dbdb67da6bd2d 100644
--- a/kernel/data-pipeline/core/src/main/java/org/apache/shardingsphere/data/pipeline/core/metadata/generator/PipelineDDLGenerator.java
+++ b/kernel/data-pipeline/core/src/main/java/org/apache/shardingsphere/data/pipeline/core/metadata/generator/PipelineDDLGenerator.java
@@ -17,7 +17,8 @@
 
 package org.apache.shardingsphere.data.pipeline.core.metadata.generator;
 
-import lombok.RequiredArgsConstructor;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.shardingsphere.data.pipeline.core.sqlbuilder.dialect.DialectPipelineSQLBuilder;
 import org.apache.shardingsphere.infra.database.core.spi.DatabaseTypedSPILoader;
@@ -31,7 +32,7 @@
 /**
  * Pipeline DDL generator.
  */
-@RequiredArgsConstructor
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
 @Slf4j
 public final class PipelineDDLGenerator {