diff --git a/addons/stock/models/stock_move.py b/addons/stock/models/stock_move.py
index ae94b3fe03c..1697bd347e8 100644
--- a/addons/stock/models/stock_move.py
+++ b/addons/stock/models/stock_move.py
@@ -656,6 +656,19 @@ class StockMove(models.Model):
         self._generate_serial_numbers()
         return self.action_show_details()
 
+    def action_clear_lines_show_details(self):
+        """ Unlink `self.move_line_ids` before returning `self.action_show_details`.
+        Useful for if a user creates too many SNs by accident via action_assign_serial_show_details
+        since there's no way to undo the action.
+        """
+        self.ensure_one()
+        if self.picking_type_id.show_reserved:
+            move_lines = self.move_line_ids
+        else:
+            move_lines = self.move_line_nosuggest_ids
+        move_lines.unlink()
+        return self.action_show_details()
+
     def action_assign_serial(self):
         """ Opens a wizard to assign SN's name on each move lines.
         """
diff --git a/addons/stock/views/stock_move_views.xml b/addons/stock/views/stock_move_views.xml
index ba74279d4f9..f343047a841 100644
--- a/addons/stock/views/stock_move_views.xml
+++ b/addons/stock/views/stock_move_views.xml
@@ -165,6 +165,12 @@
                                         title="Assign Serial Numbers">
                                     <span>Assign Serial Numbers</span>
                                 </button>
+                                <button name="action_clear_lines_show_details" type="object"
+                                        class="btn-link"
+                                        title="Clear Lines"
+                                        attrs="{'invisible': [('display_assign_serial', '=', False)]}">
+                                    <span>Clear All</span>
+                                </button>
                             </div>
                         </group>
                     </group>