diff --git a/addons/cetmix_tower_yaml/models/cx_tower_plan.py b/addons/cetmix_tower_yaml/models/cx_tower_plan.py
index a5f3697..b2cd039 100644
--- a/addons/cetmix_tower_yaml/models/cx_tower_plan.py
+++ b/addons/cetmix_tower_yaml/models/cx_tower_plan.py
@@ -21,20 +21,3 @@ class CxTowerPlan(models.Model):
             "line_ids",
         ]
         return res
-
-    def _get_deferred_x2m_import_fields(self):
-        """Defer plan lines whose command is not resolvable during nested import.
-
-        Deep YAML (e.g. a command's waypoint inlines a jet template whose plans
-        reference that same command) creates a forward reference: plan lines are
-        prepared before the command exists in the database. Queue those lines
-        and create them after the main import pass when ``command_id`` can be
-        resolved.
-        """
-        return {
-            "line_ids": {
-                "child_model": "cx.tower.plan.line",
-                "deferred_field": "command_id",
-                "target_model": "cx.tower.command",
-            }
-        }