diff --git a/vba_code_kotsu_master.txt b/vba_code_kotsu_master.txt
index b299526..1750480 100644
--- a/vba_code_kotsu_master.txt
+++ b/vba_code_kotsu_master.txt
@@ -1,51 +1,6 @@
 ' CSV Header Constants
 Const CSV_HEADER As String = "利用区間コード,券種,コード,名称,1箇月運賃/販売額,定期額/券１(額)/利用額,定期支給期間/券１(枚)/特別料金,特別料金/券２(額),券２(枚),端数(額),特別料金"
 
-Private Sub Worksheet_Change(ByVal Target As Range)
-    ' === Fill D, E when C column changes ===
-    If Target.Column = 3 And Target.Row >= 7 Then
-        Dim cell As Range
-        For Each cell In Target
-            If Trim(cell.Value) = "" Then
-                Call ClearRowData(Me, cell.Row)
-            Else
-                Call FillFromKukanMaster(Me, cell.Row)
-            End If
-        Next
-    End If
-End Sub
-
-Sub FillFromKukanMaster(ByVal ws As Worksheet, ByVal rowNum As Long, Optional ByVal setG As Boolean = True)
-    Dim wsKukan As Worksheet
-    Dim lastRow As Long
-    Dim i As Long
-    Dim code As String
-    
-    On Error Resume Next
-    Set wsKukan = ThisWorkbook.Worksheets("Z1")
-    If wsKukan Is Nothing Then Exit Sub
-    On Error GoTo 0
-    code = Trim(ws.Cells(rowNum, 3).Value)
-    If code = "" Then Exit Sub
-    lastRow = wsKukan.Cells(wsKukan.Rows.Count, 3).End(xlUp).Row
-    
-    For i = 7 To lastRow
-        If Trim(wsKukan.Cells(i, 3).Value) = code Then
-            ws.Cells(rowNum, 4).Value = Trim(wsKukan.Cells(i, 4).Value) & ": " & Trim(wsKukan.Cells(i, 5).Value)
-            ws.Cells(rowNum, 5).Value = Trim(wsKukan.Cells(i, 6).Value)
-            ws.Cells(rowNum, 6).Value = Trim(wsKukan.Cells(i, 7).Value)
-            ws.Cells(rowNum, 7).Value = Trim(wsKukan.Cells(i, 9).Value)
-            ws.Cells(rowNum, 8).Value = Trim(wsKukan.Cells(i, 14).Value)
-            If setG Then
-                ws.Cells(rowNum, 7).Value = "1"
-            End If
-            Exit Sub
-        End If
-    Next
-    
-    Call ClearRowData(ws, rowNum)
-End Sub
-
 
 Sub ClearRowData(ByVal ws As Worksheet, ByVal rowNum As Long)
     ' Clear from D column onwards