Remove deprecated run_sse_async method

src/fastmcp/server/server.py

@@ -2053,34 +2053,6 @@ async def run_http_async(
 
                 await server.serve()
 
-    async def run_sse_async(
-        self,
-        host: str | None = None,
-        port: int | None = None,
-        log_level: str | None = None,
-        path: str | None = None,
-        uvicorn_config: dict[str, Any] | None = None,
-    ) -> None:
-        """Run the server using SSE transport."""
-
-        # Deprecated since 2.3.2
-        if fastmcp.settings.deprecation_warnings:
-            warnings.warn(
-                "The run_sse_async method is deprecated (as of 2.3.2). Use run_http_async for a "
-                "modern (non-SSE) alternative, or create an SSE app with "
-                "`fastmcp.server.http.create_sse_app` and run it directly.",
-                DeprecationWarning,
-                stacklevel=2,
-            )
-        await self.run_http_async(
-            transport="sse",
-            host=host,
-            port=port,
-            log_level=log_level,
-            path=path,
-            uvicorn_config=uvicorn_config,
-        )
-
     def streamable_http_app(
         self,
         path: str | None = None,

tests/deprecated/test_deprecated.py

@@ -1,5 +1,4 @@
 import warnings
-from unittest.mock import AsyncMock, patch
 
 import pytest
 from starlette.applications import Starlette
@@ -44,23 +43,6 @@ def test_streamable_http_app_deprecation_warning():
         assert isinstance(app, Starlette)
 
 
-async def test_run_sse_async_deprecation_warning():
-    """Test that run_sse_async raises a deprecation warning."""
-    server = FastMCP("TestServer")
-
-    # Use patch to avoid actually running the server
-    with patch.object(server, "run_http_async", new_callable=AsyncMock) as mock_run:
-        with pytest.warns(
-            DeprecationWarning, match="The run_sse_async method is deprecated"
-        ):
-            await server.run_sse_async()
-
-        # Verify the mock was called with the right transport
-        mock_run.assert_called_once()
-        call_kwargs = mock_run.call_args.kwargs
-        assert call_kwargs.get("transport") == "sse"
-
-
 def test_http_app_with_sse_transport():
     """Test that http_app with SSE transport works (no warning)."""
     server = FastMCP("TestServer")