diff --git a/vba_code_common.txt b/vba_code_common.txt
index bc501df..767d994 100644
--- a/vba_code_common.txt
+++ b/vba_code_common.txt
@@ -149,13 +149,3 @@ Sub WriteCSVFile(ByVal filePath As String, ByVal content As String)
         .Close
     End With
 End Sub
-
-' ============================================================
-' Build CSV content from worksheet
-' Parameters:
-'   ws - worksheet
-'   startRow - data start row
-'   endRow - data end row
-'   dataColumns - array of column numbers to export
-' Returns: CSV content string
-' ============================================================