diff --git a/htdocs/langs/en_US/mrp.lang b/htdocs/langs/en_US/mrp.lang
index 1ee3cf313d2..935bcd93996 100644
--- a/htdocs/langs/en_US/mrp.lang
+++ b/htdocs/langs/en_US/mrp.lang
@@ -37,6 +37,8 @@ ConfirmCancelMo=Are you sure you want to cancel this Manufacturing Order?
 DeleteMo=Delete Manufacturing Order
 ConfirmDeleteBillOfMaterials=Are you sure you want to delete this Bill Of Materials?
 ConfirmDeleteMo=Are you sure you want to delete this Manufacturing Order?
+DeleteMoChild = Delete the child OFs linked to this OF %s
+MoChildsDeleted = All child OFs have been deleted
 MenuMRP=Manufacturing Orders
 NewMO=New Manufacturing Order
 QtyToProduce=Qty to produce
diff --git a/htdocs/langs/fr_FR/mrp.lang b/htdocs/langs/fr_FR/mrp.lang
index 3d06398cbab..4e67ee09057 100644
--- a/htdocs/langs/fr_FR/mrp.lang
+++ b/htdocs/langs/fr_FR/mrp.lang
@@ -37,6 +37,8 @@ ConfirmCancelMo=Êtes-vous sûr de vouloir annuler cet ordre de fabrication ?
 DeleteMo=Supprimer l'ordre de fabrication
 ConfirmDeleteBillOfMaterials=Êtes-vous sûr de vouloir supprimer cette nomenclature?
 ConfirmDeleteMo=Êtes-vous sûr de vouloir supprimer cet ordre de fabrication ?
+DeleteMoChild = Supprimer les OFs enfants liés à cet OF %s
+MoChildsDeleted = Tous les OFs enfants ont été supprimés
 MenuMRP=Ordres de fabrication
 NewMO=Nouvel Ordre de fabrication
 QtyToProduce=Quantité à produire
diff --git a/htdocs/mrp/class/mo.class.php b/htdocs/mrp/class/mo.class.php
index e000b498589..af9c36c1af8 100644
--- a/htdocs/mrp/class/mo.class.php
+++ b/htdocs/mrp/class/mo.class.php
@@ -1816,6 +1816,46 @@ class Mo extends CommonObject
 		}
 	}
 
+	/**
+	 * Function used to return all child MOs recursively
+	 *
+	 * @param int $depth   Depth for recursing loop count
+	 * @return Mo[]|int[]  array of MOs if OK, -1 if KO
+	 */
+	public function getAllMoChilds($depth = 0)
+	{
+		if ($depth > 1000) return -1;
+
+		$TMoChilds = array();
+		$error = 0;
+
+		$childMoList = $this->getMoChilds();
+
+		if ($childMoList == -1) return -1;
+
+		foreach ($childMoList as $childMo) $TMoChilds[$childMo->id] = $childMo;
+
+		foreach ($childMoList as $childMo) {
+			$childMoChildren = $childMo->getAllMoChilds($depth + 1);
+
+			if ($childMoChildren == -1) {
+				$error++;
+			} else {
+				foreach ($childMoChildren as $child) {
+					$TMoChilds[$child->id] = $child;
+				}
+			}
+		}
+
+		if ($error) {
+			return -1;
+		} else {
+			return $TMoChilds;
+		}
+	}
+
+
+
 	/**
 	 * Function used to return childs of Mo
 	 *
diff --git a/htdocs/mrp/mo_card.php b/htdocs/mrp/mo_card.php
index 4b0c6b65c1a..8696b83648a 100644
--- a/htdocs/mrp/mo_card.php
+++ b/htdocs/mrp/mo_card.php
@@ -196,6 +196,66 @@ if (empty($reshook)) {
 		}
 	}
 
+	if ($action == 'confirm_delete' && !empty($permissiontodelete)) {
+		if (!($object->id > 0)) {
+			dol_print_error('', 'Error, object must be fetched before being deleted');
+			exit;
+		}
+
+		$error = 0;
+		$deleteChilds = GETPOST('deletechilds', 'boolean');
+
+		// Start the database transaction
+		$db->begin();
+
+		if ($deleteChilds === 'on') {
+			$TMoChildren = $object->getAllMoChilds();
+
+			foreach ($TMoChildren as $id => $childObject) {
+				if ($childObject->delete($user) == -1) {
+					$error++;
+					if (!empty($childObject->errors)) {
+						setEventMessages(null, $childObject->errors, 'errors');
+					} else {
+						setEventMessages($childObject->error, null, 'errors');
+					}
+				}
+			}
+		}
+
+		if (!$error) {
+			$result = $object->delete($user);
+
+			if ($result > 0) {
+				setEventMessages("RecordDeleted", null, 'mesgs');
+
+				if ($deleteChilds === 'on') {
+					setEventMessages("MoChildsDeleted", null, 'mesgs');
+				}
+
+				if (empty($noback)) {
+					header("Location: " . $backurlforlist);
+					exit;
+				}
+			} else {
+				$error++;
+				if (!empty($object->errors)) {
+					setEventMessages(null, $object->errors, 'errors');
+				} else {
+					setEventMessages($object->error, null, 'errors');
+				}
+			}
+		}
+
+		// Commit or rollback the database transaction based on whether there was an error
+		if ($error) {
+			$db->rollback();
+		} else {
+			$db->commit();
+		}
+	}
+
+
 	// Actions cancel, add, update, update_extras, confirm_validate, confirm_delete, confirm_deleteline, confirm_clone, confirm_close, confirm_setdraft, confirm_reopen
 	include DOL_DOCUMENT_ROOT.'/core/actions_addupdatedelete.inc.php';
 
@@ -434,15 +494,21 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 
 	// Confirmation to delete
 	if ($action == 'delete') {
+		$numberofmochilds = count($object->getAllMoChilds());
+
+		if ($numberofmochilds > 0)$label = $langs->trans("DeleteMoChild", '('.strval($numberofmochilds).')');
+		else $label = $langs->trans("DeleteMoChild");
+
 		$formquestion = array(
+			array('type' => 'checkbox', 'name' => 'deletechilds', 'label' => $label, 'value' => 0),
 			array(
 				'label' => $langs->trans('MoCancelConsumedAndProducedLines'),
 				'name' => 'alsoCancelConsumedAndProducedLines',
 				'type' => 'checkbox',
 				'value' => empty($conf->global->MO_ALSO_CANCEL_CONSUMED_AND_PRODUCED_LINES_BY_DEFAULT) ? 0 : 1
-			),
+			)
 		);
-		$formconfirm = $form->formconfirm($_SERVER["PHP_SELF"] . '?id=' . $object->id, $langs->trans('DeleteMo'), $langs->trans('ConfirmDeleteMo'), 'confirm_delete', $formquestion, 0, 1);
+		$formconfirm = $form->formconfirm($_SERVER["PHP_SELF"].'?id='.$object->id, $langs->trans('DeleteMo'), $langs->trans('ConfirmDeleteMo'), 'confirm_delete', $formquestion, 0, 1);
 	}
 	// Confirmation to delete line
 	if ($action == 'deleteline') {