diff --git a/openupgrade_scripts/apriori.py b/openupgrade_scripts/apriori.py
index dc2f31e7c6f8..97882aad76d8 100644
--- a/openupgrade_scripts/apriori.py
+++ b/openupgrade_scripts/apriori.py
@@ -62,8 +62,6 @@
     "l10n_es_irnr_sii": "l10n_es_aeat_sii_oca",
     # OCA/maintenance
     "base_maintenance_config": "maintenance",
-    "maintenance_plan": "maintenance",
-    "maintenance_plan_activity": "maintenance",
     "maintenance_plan_employee": "maintenance",
     # OCA/product-attribute
     "product_catalog": "product",
diff --git a/openupgrade_scripts/scripts/maintenance/17.0.1.0/post-migration.py b/openupgrade_scripts/scripts/maintenance/17.0.1.0/post-migration.py
index 014cf04cacc4..31d865530b0a 100644
--- a/openupgrade_scripts/scripts/maintenance/17.0.1.0/post-migration.py
+++ b/openupgrade_scripts/scripts/maintenance/17.0.1.0/post-migration.py
@@ -5,29 +5,6 @@
 _deleted_xml_records = ["maintenance.mail_alias_equipment"]
 
 
-def _maintenance_plan(env):
-    """Compatibility with maintenance_plan, we convert the request and
-    the recurrence field the way it is done in core.
-    """
-    if openupgrade.column_exists(env.cr, "maintenance_request", "maintenance_plan_id"):
-        # Update all the data of the linked requests
-        openupgrade.logged_query(
-            env.cr,
-            """UPDATE maintenance_request mr
-            SET recurring_maintenance = True,
-            repeat_interval = COALESCE(mp.interval, 1),
-            repeat_unit = COALESCE(mp.interval_step, 'year'),
-            repeat_type='until',
-            repeat_until = (
-                CURRENT_DATE + (''
-                || COALESCE(mp.maintenance_plan_horizon, 1) || ' '
-                || COALESCE(mp.planning_step, 'year'))::interval
-            )::date
-            FROM maintenance_plan mp
-            WHERE mr.maintenance_plan_id = mp.id""",
-        )
-
-
 @openupgrade.migrate()
 def migrate(env, version):
     openupgrade.load_data(env, "maintenance", "17.0.1.0/noupdate_changes.xml")
@@ -35,4 +12,3 @@ def migrate(env, version):
         env,
         _deleted_xml_records,
     )
-    _maintenance_plan(env)
diff --git a/openupgrade_scripts/scripts/maintenance/17.0.1.0/pre-migration.py b/openupgrade_scripts/scripts/maintenance/17.0.1.0/pre-migration.py
index 326d342d46a4..62e98936a2b6 100644
--- a/openupgrade_scripts/scripts/maintenance/17.0.1.0/pre-migration.py
+++ b/openupgrade_scripts/scripts/maintenance/17.0.1.0/pre-migration.py
@@ -3,22 +3,6 @@
 from openupgradelib import openupgrade
 
 
-def _maintenance_plan(env):
-    """Rename the fields if the maintenance_plan module was installed."""
-    if openupgrade.column_exists(env.cr, "maintenance_request", "note"):
-        openupgrade.rename_fields(
-            env,
-            [
-                (
-                    "maintenance.request",
-                    "maintenance_request",
-                    "note",
-                    "instruction_text",
-                ),
-            ],
-        )
-
-
 def _maintenance_request_company_id(env):
     """We set the company_id value for requests that do not have it.
     We get the value of what will be deductively most appropriate (equipment, team or
@@ -50,4 +34,3 @@ def _maintenance_request_company_id(env):
 @openupgrade.migrate()
 def migrate(env, version):
     _maintenance_request_company_id(env)
-    _maintenance_plan(env)