--- a/src/main/java/jp/ac/u_ryukyu/ie/cr/jungle/transaction/node/redBlackTree/ColorlessTreeNode.java	Fri Jan 27 00:04:00 2017 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/ie/cr/jungle/transaction/node/redBlackTree/ColorlessTreeNode.java	Fri Jan 27 00:28:52 2017 +0900
@@ -110,14 +110,14 @@
      */ public abstract int checkDepth(int count, int minCount);
 
 
-    public RebuildNode delete(String insertKey, ByteBuffer deleteValue, ColorlessTreeNode parent, Rotate side) {
+    public RebuildNode delete(String deleteKey, ByteBuffer deleteValue, ColorlessTreeNode parent, Rotate side) {
         if (!this.empty()) {
             RebuildNode rebuildNode;
             long result = this.compare(deleteValue);
             if (result > 0) {
-                rebuildNode = right().delete(insertKey, deleteValue, this, Rotate.R);
+                rebuildNode = right().delete(deleteKey, deleteValue, this, Rotate.R);
             } else if (result < 0) {
-                rebuildNode = left().delete(insertKey, deleteValue, this, Rotate.L);
+                rebuildNode = left().delete(deleteKey, deleteValue, this, Rotate.L);
             } else {
                 rebuildNode = replaceNode(parent);
             }