diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 85a4f1922b0..374fdfcfbaa 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -21,7 +21,6 @@
  * Copyright (C) 2018       Nicolas ZABOURI	        <info@inovea-conseil.com>
  * Copyright (C) 2018       Christophe Battarel     <christophe@altairis.fr>
  * Copyright (C) 2018       Josep Lluis Amador      <joseplluis@lliuretic.cat>
- * Copyright (C) 2019       Thibault FOUCART        <support@ptibogxiv.net>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -6775,46 +6774,6 @@ class Form
 		return $resultyesno;
 	}
 
-	/**
-	 *	Return an html string with a select combo box to choose yes or no
-	 *
-	 *	@param	string		$htmlname		Name of html select field
-	 *	@param	string		$value			Pre-selected value
-	 *	@param	int			$option			0 return automatic/manual, 1 return 1/0
-	 *	@param	bool		$disabled		true or false
-	 *  @param	int      	$useempty		1=Add empty line
-	 *	@return	string						See option
-	 */
-    public function selectautomanual($htmlname, $value = '', $option = 0, $disabled = false, $useempty = 0)
-	{
-		global $langs;
-
-		$automatic="automatic"; $manual="manual";
-		if ($option)
-		{
-			$automatic="1";
-			$manual="0";
-		}
-
-		$disabled = ($disabled ? ' disabled' : '');
-
-		$resultautomanual = '<select class="flat width100" id="'.$htmlname.'" name="'.$htmlname.'"'.$disabled.'>'."\n";
-		if ($useempty) $resultautomanual .= '<option value="-1"'.(($value < 0)?' selected':'').'>&nbsp;</option>'."\n";
-		if (("$value" == 'automatic') || ($value == 1))
-		{
-			$resultautomanual .= '<option value="'.$automatic.'" selected>'.$langs->trans("Automatic").'</option>'."\n";
-			$resultautomanual .= '<option value="'.$manual.'">'.$langs->trans("Manual").'</option>'."\n";
-		}
-		else
-	   {
-	   		$selected=(($useempty && $value != '0' && $value != 'manual')?'':' selected');
-			$resultautomanual .= '<option value="'.$automatic.'">'.$langs->trans("Automatic").'</option>'."\n";
-			$resultautomanual .= '<option value="'.$manual.'"'.$selected.'>'.$langs->trans("Manual").'</option>'."\n";
-		}
-		$resultautomanual .= '</select>'."\n";
-		return $resultautomanual;
-	}
-
     // phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
 	/**
 	 *  Return list of export templates