diff --git a/supervisor/coresys.py b/supervisor/coresys.py
index 2e3fcbe78..46abeec3a 100644
--- a/supervisor/coresys.py
+++ b/supervisor/coresys.py
@@ -68,7 +68,7 @@ class CoreSys:
 
         # External objects
         self._loop: asyncio.BaseEventLoop = asyncio.get_running_loop()
-        self._websession = None
+        self._websession: aiohttp.ClientSession = aiohttp.ClientSession()
 
         # Global objects
         self._config: CoreConfig = CoreConfig()
@@ -101,8 +101,10 @@ class CoreSys:
         self._bus: Bus | None = None
         self._mounts: MountManager | None = None
 
-        # Setup aiohttp session
-        self.create_websession()
+        # Set default header for aiohttp
+        self._websession._default_headers = MappingProxyType(
+            {aiohttp.hdrs.USER_AGENT: SERVER_SOFTWARE}
+        )
 
         # Task factory attributes
         self._set_task_context: list[Callable[[Context], Context]] = []
@@ -582,16 +584,6 @@ class CoreSys:
 
         return self.loop.run_in_executor(None, funct, *args)
 
-    def create_websession(self) -> None:
-        """Create a new aiohttp session."""
-        if self._websession:
-            self.create_task(self._websession.close())
-
-        # Create session and set default header for aiohttp
-        self._websession: aiohttp.ClientSession = aiohttp.ClientSession(
-            headers=MappingProxyType({aiohttp.hdrs.USER_AGENT: SERVER_SOFTWARE})
-        )
-
     def _create_context(self) -> Context:
         """Create a new context for a task."""
         context = copy_context()
diff --git a/supervisor/supervisor.py b/supervisor/supervisor.py
index 9ddc7829c..99b85d4e9 100644
--- a/supervisor/supervisor.py
+++ b/supervisor/supervisor.py
@@ -292,8 +292,6 @@ class Supervisor(CoreSysAttributes):
                 "https://checkonline.home-assistant.io/online.txt", timeout=timeout
             )
         except (ClientError, TimeoutError):
-            # Need to recreate the websession to avoid stale connection checks
-            self.coresys.create_websession()
             self.connectivity = False
         else:
             self.connectivity = True