diff --git a/homeassistant/components/backup/__init__.py b/homeassistant/components/backup/__init__.py
index 29dbe6f9e6a..c3e57e74dea 100644
--- a/homeassistant/components/backup/__init__.py
+++ b/homeassistant/components/backup/__init__.py
@@ -17,7 +17,7 @@ from .manager import (
     BackupPlatformProtocol,
     CoreBackupReaderWriter,
 )
-from .models import BackupUploadMetadata, BaseBackup
+from .models import BaseBackup
 from .websocket import async_register_websocket_handlers
 
 __all__ = [
@@ -25,7 +25,6 @@ __all__ = [
     "BackupAgent",
     "BackupAgentPlatformProtocol",
     "BackupPlatformProtocol",
-    "BackupUploadMetadata",
     "BaseBackup",
 ]
 
diff --git a/homeassistant/components/backup/agent.py b/homeassistant/components/backup/agent.py
index 0913ef25896..c17712ca5b2 100644
--- a/homeassistant/components/backup/agent.py
+++ b/homeassistant/components/backup/agent.py
@@ -9,7 +9,7 @@ from typing import Any, Protocol
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import HomeAssistantError
 
-from .models import BackupUploadMetadata, BaseBackup
+from .models import BaseBackup
 
 
 class BackupAgentError(HomeAssistantError):
@@ -46,13 +46,15 @@ class BackupAgent(abc.ABC):
         self,
         *,
         path: Path,
-        metadata: BackupUploadMetadata,
+        homeassistant_version: str,
+        backup: BaseBackup,
         **kwargs: Any,
     ) -> None:
         """Upload a backup.
 
         :param path: The full file path to the backup that should be uploaded.
-        :param metadata: Metadata about the backup that should be uploaded.
+        :param backup: Metadata about the backup that should be uploaded.
+        :param homeassistant_version: The version of Home Assistant that created the backup
         """
 
     @abc.abstractmethod
diff --git a/homeassistant/components/backup/backup.py b/homeassistant/components/backup/backup.py
index ef4e2905589..7dad124c2f6 100644
--- a/homeassistant/components/backup/backup.py
+++ b/homeassistant/components/backup/backup.py
@@ -12,7 +12,7 @@ from homeassistant.helpers.hassio import is_hassio
 
 from .agent import BackupAgent, LocalBackupAgent
 from .const import LOGGER
-from .models import BackupUploadMetadata, BaseBackup
+from .models import BaseBackup
 from .util import read_backup
 
 
@@ -78,17 +78,11 @@ class CoreLocalBackupAgent(LocalBackupAgent):
         self,
         *,
         path: Path,
-        metadata: BackupUploadMetadata,
+        backup: BaseBackup,
         **kwargs: Any,
     ) -> None:
         """Upload a backup."""
-        self._backups[metadata.backup_id] = BaseBackup(
-            backup_id=metadata.backup_id,
-            date=metadata.date,
-            name=metadata.name,
-            protected=metadata.protected,
-            size=round(path.stat().st_size / 1_048_576, 2),
-        )
+        self._backups[backup.backup_id] = backup
 
     async def async_list_backups(self, **kwargs: Any) -> list[BaseBackup]:
         """List backups."""
diff --git a/homeassistant/components/backup/manager.py b/homeassistant/components/backup/manager.py
index 5b8586b828e..b1ea9cd1093 100644
--- a/homeassistant/components/backup/manager.py
+++ b/homeassistant/components/backup/manager.py
@@ -43,7 +43,7 @@ from .const import (
     EXCLUDE_FROM_BACKUP,
     LOGGER,
 )
-from .models import BackupUploadMetadata, BaseBackup
+from .models import BaseBackup
 from .util import read_backup
 
 
@@ -226,20 +226,15 @@ class BackupManager:
         path: Path,
     ) -> None:
         """Upload a backup to selected agents."""
+        LOGGER.warning("Uploading backup %s to agents %s", backup.backup_id, agent_ids)
         self.syncing = True
         try:
             sync_backup_results = await asyncio.gather(
                 *(
                     self.backup_agents[agent_id].async_upload_backup(
                         path=path,
-                        metadata=BackupUploadMetadata(
-                            backup_id=backup.backup_id,
-                            date=backup.date,
-                            homeassistant=HAVERSION,
-                            name=backup.name,
-                            protected=backup.protected,
-                            size=backup.size,
-                        ),
+                        backup=backup,
+                        homeassistant_version=HAVERSION,
                     )
                     for agent_id in agent_ids
                 ),
diff --git a/homeassistant/components/backup/models.py b/homeassistant/components/backup/models.py
index f9a913affde..0ac2727983f 100644
--- a/homeassistant/components/backup/models.py
+++ b/homeassistant/components/backup/models.py
@@ -16,15 +16,3 @@ class BaseBackup:
     def as_dict(self) -> dict:
         """Return a dict representation of this backup."""
         return asdict(self)
-
-
-@dataclass()
-class BackupUploadMetadata:
-    """Backup upload metadata."""
-
-    backup_id: str  # The ID of the backup
-    date: str  # The date the backup was created
-    homeassistant: str  # The version of Home Assistant that created the backup
-    name: str  # The name of the backup
-    protected: bool  # If the backup is protected
-    size: float  # The size of the backup (in bytes)
diff --git a/homeassistant/components/kitchen_sink/backup.py b/homeassistant/components/kitchen_sink/backup.py
index 51e14a1a074..a5f045d5c24 100644
--- a/homeassistant/components/kitchen_sink/backup.py
+++ b/homeassistant/components/kitchen_sink/backup.py
@@ -6,11 +6,7 @@ import logging
 from pathlib import Path
 from typing import Any
 
-from homeassistant.components.backup import (
-    BackupAgent,
-    BackupUploadMetadata,
-    BaseBackup,
-)
+from homeassistant.components.backup import BackupAgent, BaseBackup
 from homeassistant.core import HomeAssistant
 
 LOGGER = logging.getLogger(__name__)
@@ -54,20 +50,13 @@ class KitchenSinkBackupAgent(BackupAgent):
         self,
         *,
         path: Path,
-        metadata: BackupUploadMetadata,
+        backup: BaseBackup,
+        homeassistant_version: str,
         **kwargs: Any,
     ) -> None:
         """Upload a backup."""
-        LOGGER.info("Uploading backup %s %s", path.name, metadata)
-        self._uploads.append(
-            BaseBackup(
-                backup_id=metadata.backup_id,
-                date=metadata.date,
-                name=metadata.name,
-                protected=metadata.protected,
-                size=metadata.size,
-            )
-        )
+        LOGGER.info("Uploading backup %s %s", path.name, backup)
+        self._uploads.append(backup)
 
     async def async_delete_backup(
         self,
diff --git a/tests/components/backup/common.py b/tests/components/backup/common.py
index 80c2b73a3de..01164acae7a 100644
--- a/tests/components/backup/common.py
+++ b/tests/components/backup/common.py
@@ -10,7 +10,6 @@ from homeassistant.components.backup import (
     DOMAIN,
     BackupAgent,
     BackupAgentPlatformProtocol,
-    BackupUploadMetadata,
     BaseBackup,
 )
 from homeassistant.components.backup.const import DATA_MANAGER
@@ -75,17 +74,12 @@ class BackupAgentTest(BackupAgent):
         self,
         *,
         path: Path,
-        metadata: BackupUploadMetadata,
+        backup: BaseBackup,
+        homeassistant_version: str,
         **kwargs: Any,
     ) -> None:
         """Upload a backup."""
-        self._backups[metadata.backup_id] = BaseBackup(
-            backup_id=metadata.backup_id,
-            date=metadata.date,
-            name=metadata.name,
-            protected=metadata.protected,
-            size=metadata.size,
-        )
+        self._backups[backup.backup_id] = backup
 
     async def async_list_backups(self, **kwargs: Any) -> list[BaseBackup]:
         """List backups."""