diff --git a/supervisor/backups/backup.py b/supervisor/backups/backup.py
index e4eb32a6b..3758cb693 100644
--- a/supervisor/backups/backup.py
+++ b/supervisor/backups/backup.py
@@ -122,7 +122,9 @@ class Backup(CoreSysAttributes):
     @property
     def homeassistant_version(self):
         """Return backupbackup Home Assistant version."""
-        return self._data[ATTR_HOMEASSISTANT].get(ATTR_VERSION)
+        if self.homeassistant is None:
+            return None
+        return self._data[ATTR_HOMEASSISTANT][ATTR_VERSION]
 
     @property
     def homeassistant(self):
diff --git a/supervisor/backups/manager.py b/supervisor/backups/manager.py
index f2f718a98..d0285982f 100644
--- a/supervisor/backups/manager.py
+++ b/supervisor/backups/manager.py
@@ -234,10 +234,10 @@ class BackupManager(CoreSysAttributes):
         # Version 1
         if FOLDER_HOMEASSISTANT in folder_list:
             folder_list.remove(FOLDER_HOMEASSISTANT)
-            homeassistant = True
+            homeassistant = backup.homeassistant_version is not None
 
         try:
-            task_hass = None
+            task_hass: asyncio.Task | None = None
             async with backup:
                 # Restore docker config
                 _LOGGER.info("Restoring %s Docker config", backup.slug)
diff --git a/supervisor/backups/validate.py b/supervisor/backups/validate.py
index bea5552bb..8017ee7ac 100644
--- a/supervisor/backups/validate.py
+++ b/supervisor/backups/validate.py
@@ -1,4 +1,8 @@
 """Validate some things around restore."""
+from __future__ import annotations
+
+from typing import Any
+
 import voluptuous as vol
 
 from ..backups.const import BackupType
@@ -44,6 +48,26 @@ def unique_addons(addons_list):
     return addons_list
 
 
+def v1_homeassistant(
+    homeassistant_data: dict[str, Any] | None
+) -> dict[str, Any] | None:
+    """Cleanup homeassistant artefacts from v1."""
+    if not homeassistant_data:
+        return None
+
+    if homeassistant_data.get(ATTR_VERSION) is None:
+        return None
+
+    return homeassistant_data
+
+
+def v1_folderlist(folder_data: list[str]) -> list[str]:
+    """Cleanup folder artefacts from v1."""
+    if FOLDER_HOMEASSISTANT in folder_data:
+        folder_data.remove(FOLDER_HOMEASSISTANT)
+    return folder_data
+
+
 # pylint: disable=no-value-for-parameter
 SCHEMA_BACKUP = vol.Schema(
     {
@@ -55,18 +79,21 @@ SCHEMA_BACKUP = vol.Schema(
         vol.Optional(ATTR_COMPRESSED, default=True): vol.Boolean(),
         vol.Optional(ATTR_PROTECTED, default=False): vol.Boolean(),
         vol.Optional(ATTR_CRYPTO, default=None): vol.Maybe(CRYPTO_AES128),
-        vol.Optional(ATTR_HOMEASSISTANT, default=None): vol.Maybe(
-            vol.Schema(
-                {
-                    vol.Required(ATTR_VERSION): version_tag,
-                    vol.Optional(ATTR_SIZE, default=0): vol.Coerce(float),
-                },
-                extra=vol.REMOVE_EXTRA,
-            )
+        vol.Optional(ATTR_HOMEASSISTANT, default=None): vol.All(
+            v1_homeassistant,
+            vol.Maybe(
+                vol.Schema(
+                    {
+                        vol.Required(ATTR_VERSION): version_tag,
+                        vol.Optional(ATTR_SIZE, default=0): vol.Coerce(float),
+                    },
+                    extra=vol.REMOVE_EXTRA,
+                )
+            ),
         ),
         vol.Optional(ATTR_DOCKER, default=dict): SCHEMA_DOCKER_CONFIG,
         vol.Optional(ATTR_FOLDERS, default=list): vol.All(
-            [vol.In(ALL_FOLDERS)], vol.Unique()
+            v1_folderlist, [vol.In(ALL_FOLDERS)], vol.Unique()
         ),
         vol.Optional(ATTR_ADDONS, default=list): vol.All(
             [
diff --git a/tests/backups/test_validate.py b/tests/backups/test_validate.py
new file mode 100644
index 000000000..2f4c80663
--- /dev/null
+++ b/tests/backups/test_validate.py
@@ -0,0 +1,43 @@
+"""Test Backup schema validation."""
+
+from supervisor.backups import validate
+
+VALID_DEFAULT = {
+    validate.ATTR_NAME: "Test Backup",
+    validate.ATTR_SLUG: "test",
+    validate.ATTR_DATE: "2021-12-01 00:00:00",
+}
+
+
+def test_v1_homeassistant_migration():
+    """Test v1 homeassistant validation migration."""
+
+    data = validate.SCHEMA_BACKUP(
+        {
+            **VALID_DEFAULT,
+            **{
+                validate.ATTR_HOMEASSISTANT: {validate.ATTR_VERSION: None},
+                validate.ATTR_TYPE: validate.BackupType.PARTIAL,
+            },
+        }
+    )
+
+    assert data[validate.ATTR_HOMEASSISTANT] is None
+
+
+def test_v1_folder_migration():
+    """Test v1 folder validation migration."""
+    data = validate.SCHEMA_BACKUP(
+        {
+            **VALID_DEFAULT,
+            **{
+                validate.ATTR_TYPE: validate.BackupType.PARTIAL,
+                validate.ATTR_FOLDERS: [
+                    validate.FOLDER_ADDONS,
+                    validate.ATTR_HOMEASSISTANT,
+                ],
+            },
+        }
+    )
+
+    assert data[validate.ATTR_FOLDERS] == [validate.FOLDER_ADDONS]