diff --git a/migrations/14.0.1.0.0/post-migration.py b/migrations/14.0.1.0.0/post-migration.py
deleted file mode 100644
index 4863fd14c0624be76d9020c510aa553c006be564..0000000000000000000000000000000000000000
--- a/migrations/14.0.1.0.0/post-migration.py
+++ /dev/null
@@ -1,67 +0,0 @@
-# © 2022 Le Filament (<http://www.le-filament.com>)
-# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
-
-from openupgradelib import openupgrade  # pylint: disable=W7936
-
-
-def scop_cotisation_cg_exo_map_values(env):
-    openupgrade.map_values(
-        env.cr,
-        openupgrade.get_legacy_name("quarter_exo_start"),
-        "quarter_exo_start",
-        [
-            (1, "1"),
-            (2, "2"),
-            (3, "3"),
-            (4, "4"),
-        ],
-        table="scop_cotisation_cg_exo",
-    )
-    openupgrade.map_values(
-        env.cr,
-        openupgrade.get_legacy_name("quarter_exo_end"),
-        "quarter_exo_end",
-        [
-            (1, "1"),
-            (2, "2"),
-            (3, "3"),
-            (4, "4"),
-        ],
-        table="scop_cotisation_cg_exo",
-    )
-    openupgrade.map_values(
-        env.cr,
-        openupgrade.get_legacy_name("year_exo_start"),
-        "year_exo_start",
-        [
-            (2017, "2017"),
-            (2018, "2018"),
-            (2019, "2019"),
-            (2020, "2020"),
-            (2021, "2021"),
-            (2022, "2022"),
-            (2023, "2023"),
-            (2024, "2024"),
-        ],
-        table="scop_cotisation_cg_exo",
-    )
-    openupgrade.map_values(
-        env.cr,
-        openupgrade.get_legacy_name("year_exo_end"),
-        "year_exo_end",
-        [
-            (2017, "2017"),
-            (2018, "2018"),
-            (2019, "2019"),
-            (2020, "2020"),
-            (2021, "2021"),
-            (2022, "2022"),
-            (2023, "2023"),
-            (2024, "2024"),
-        ],
-        table="scop_cotisation_cg_exo",
-    )
-
-@openupgrade.migrate()
-def migrate(env, version):
-    scop_cotisation_cg_exo_map_values(env)
diff --git a/migrations/14.0.1.0.0/pre-migration.py b/migrations/14.0.1.0.0/pre-migration.py
deleted file mode 100644
index a0643181413888baf1386eb08740edcb4d88e99a..0000000000000000000000000000000000000000
--- a/migrations/14.0.1.0.0/pre-migration.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# © 2022 Le Filament (<http://www.le-filament.com>)
-# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
-
-from openupgradelib import openupgrade
-
-column_renames = {
-    "scop_cotisation_cg_exo": [("quarter_exo_start", None), ("quarter_exo_end", None), ("year_exo_start", None), ("year_exo_end", None)],
-}
-
-
-@openupgrade.migrate()
-def migrate(env, version):
-    openupgrade.rename_columns(env.cr, column_renames)