diff --git a/homeassistant/components/tag/__init__.py b/homeassistant/components/tag/__init__.py
index 95efae3d386..47c1d14ce60 100644
--- a/homeassistant/components/tag/__init__.py
+++ b/homeassistant/components/tag/__init__.py
@@ -106,7 +106,6 @@ class TagStore(Store[collection.SerializedStorageCollection]):
             for tag in data["items"]:
                 # Copy name in tag store to the entity registry
                 _create_entry(entity_registry, tag[CONF_ID], tag.get(CONF_NAME))
-                tag["migrated"] = True
         if old_major_version == 1 and old_minor_version < 3:
             # Version 1.3 removes tag_id from the store
             for tag in data["items"]:
@@ -178,10 +177,7 @@ class TagStorageCollection(collection.DictStorageCollection):
 
         We don't store the name, it's stored in the entity registry.
         """
-        # Preserve the name of migrated entries to allow downgrading to 2024.5
-        # without losing tag names. This can be removed in HA Core 2025.1.
-        migrated = item_id in self.data and "migrated" in self.data[item_id]
-        return {k: v for k, v in item.items() if k != CONF_NAME or migrated}
+        return {k: v for k, v in item.items() if k != CONF_NAME}
 
 
 class TagDictStorageCollectionWebsocket(
diff --git a/tests/components/tag/snapshots/test_init.ambr b/tests/components/tag/snapshots/test_init.ambr
index 29a9a2665b8..caa88b8ca9a 100644
--- a/tests/components/tag/snapshots/test_init.ambr
+++ b/tests/components/tag/snapshots/test_init.ambr
@@ -5,8 +5,6 @@
       'items': list([
         dict({
           'id': 'test tag id',
-          'migrated': True,
-          'name': 'test tag name',
         }),
         dict({
           'device_id': 'some_scanner',
@@ -23,3 +21,24 @@
     'version': 1,
   })
 # ---
+# name: test_tag_scanned
+  dict({
+    'data': dict({
+      'items': list([
+        dict({
+          'id': 'test tag id',
+        }),
+        dict({
+          'id': 'test tag id 2',
+        }),
+        dict({
+          'device_id': 'some_scanner',
+          'id': 'new tag',
+        }),
+      ]),
+    }),
+    'key': 'tag',
+    'minor_version': 3,
+    'version': 1,
+  })
+# ---
diff --git a/tests/components/tag/test_init.py b/tests/components/tag/test_init.py
index 5c1e80c2d8b..ac862e59f2d 100644
--- a/tests/components/tag/test_init.py
+++ b/tests/components/tag/test_init.py
@@ -6,6 +6,7 @@ from typing import Any
 from freezegun.api import FrozenDateTimeFactory
 import pytest
 from syrupy import SnapshotAssertion
+from syrupy.filters import props
 
 from homeassistant.components.tag import DOMAIN, _create_entry, async_scan_tag
 from homeassistant.const import CONF_NAME, STATE_UNKNOWN
@@ -165,7 +166,9 @@ async def test_tag_scanned(
     hass: HomeAssistant,
     hass_ws_client: WebSocketGenerator,
     freezer: FrozenDateTimeFactory,
+    hass_storage: dict[str, Any],
     storage_setup,
+    snapshot: SnapshotAssertion,
 ) -> None:
     """Test scanning tags."""
     assert await storage_setup()
@@ -205,6 +208,12 @@ async def test_tag_scanned(
         },
     ]
 
+    # Trigger store
+    freezer.tick(11)
+    async_fire_time_changed(hass)
+    await hass.async_block_till_done()
+    assert hass_storage[DOMAIN] == snapshot(exclude=props("last_scanned"))
+
 
 def track_changes(coll: collection.ObservableCollection):
     """Create helper to track changes in a collection."""