From af0cf3e02225f8fcd1102eb8baba4a2568a413f4 Mon Sep 17 00:00:00 2001
From: Jiaming Yuan <jm.yuan@outlook.com>
Date: Mon, 25 Sep 2023 18:25:27 +0800
Subject: [PATCH] cleanup

---
 .../java/ml/dmlc/xgboost4j/java/Booster.java  | 21 -------------------
 1 file changed, 21 deletions(-)

diff --git a/jvm-packages/xgboost4j/src/main/java/ml/dmlc/xgboost4j/java/Booster.java b/jvm-packages/xgboost4j/src/main/java/ml/dmlc/xgboost4j/java/Booster.java
index 4fdce62eefbe..51959ce0cfb1 100644
--- a/jvm-packages/xgboost4j/src/main/java/ml/dmlc/xgboost4j/java/Booster.java
+++ b/jvm-packages/xgboost4j/src/main/java/ml/dmlc/xgboost4j/java/Booster.java
@@ -787,27 +787,6 @@ private Map<String, Double> getFeatureImportanceFromModel(
     return importanceMap;
   }
 
-  /**
-   * Save the model as byte array representation.
-   * Write these bytes to a file will give compatible format with other xgboost bindings.
-   *
-   * If java natively support HDFS file API, use toByteArray and write the ByteArray
-   *
-   * @param withStats Controls whether the split statistics are output.
-   * @return dumped model information
-   * @throws XGBoostError native error
-   */
-  private String[] getDumpInfo(boolean withStats) throws XGBoostError {
-    int statsFlag = 0;
-    if (withStats) {
-      statsFlag = 1;
-    }
-    String[][] modelInfos = new String[1][];
-    XGBoostJNI.checkCall(XGBoostJNI.XGBoosterDumpModelEx(handle, "", statsFlag, "text",
-            modelInfos));
-    return modelInfos[0];
-  }
-
   /**
    * Save model into raw byte array. Currently it's using the deprecated format as
    * default, which will be changed into `ubj` in future releases.