diff --git a/externals/kyuubi-flink-sql-engine/src/main/java/org/apache/kyuubi/engine/flink/result/Constants.java b/externals/kyuubi-flink-sql-engine/src/main/java/org/apache/kyuubi/engine/flink/result/Constants.java
index 3c1f1abdc..889bcf95f 100644
--- a/externals/kyuubi-flink-sql-engine/src/main/java/org/apache/kyuubi/engine/flink/result/Constants.java
+++ b/externals/kyuubi-flink-sql-engine/src/main/java/org/apache/kyuubi/engine/flink/result/Constants.java
@@ -21,39 +21,8 @@ package org.apache.kyuubi.engine.flink.result;
 /** Constant column names. */
 public class Constants {
 
-  // for statement execution
-  public static final String JOB_ID = "job_id";
-
-  // for results with SUCCESS result kind
-  public static final String RESULT = "result";
-  public static final String OK = "OK";
-
-  public static final String SHOW_MODULES_RESULT = "modules";
-
-  public static final String SHOW_CURRENT_CATALOG_RESULT = "catalog";
-
-  public static final String SHOW_CURRENT_DATABASE_RESULT = "database";
-
-  public static final String SHOW_DATABASES_RESULT = "databases";
-
-  public static final String SHOW_FUNCTIONS_RESULT = "functions";
-
-  public static final String EXPLAIN_RESULT = "explanation";
-
-  public static final String DESCRIBE_NAME = "name";
-  public static final String DESCRIBE_TYPE = "type";
-  public static final String DESCRIBE_NULL = "null";
-  public static final String DESCRIBE_KEY = "key";
-  public static final String DESCRIBE_COMPUTED_COLUMN = "computed_column";
-  public static final String DESCRIBE_WATERMARK = "watermark";
-
   public static final String SHOW_TABLES_RESULT = "tables";
 
-  public static final String SHOW_VIEWS_RESULT = "views";
-
-  public static final String SET_KEY = "key";
-  public static final String SET_VALUE = "value";
-
   public static final String TABLE_TYPE = "TABLE";
   public static final String VIEW_TYPE = "VIEW";