diff --git a/python/sglang/srt/utils.py b/python/sglang/srt/utils.py
index 8c1cdb5d4..2dd68dab4 100644
--- a/python/sglang/srt/utils.py
+++ b/python/sglang/srt/utils.py
@@ -2054,13 +2054,6 @@ def set_uvicorn_logging_configs():
     LOGGING_CONFIG["formatters"]["access"]["datefmt"] = "%Y-%m-%d %H:%M:%S"
 
 
-def get_ip() -> Optional[str]:
-    host_ip = os.getenv("SGLANG_HOST_IP", "") or os.getenv("HOST_IP", "")
-    if host_ip:
-        return host_ip
-    return None
-
-
 def get_open_port() -> int:
     port = os.getenv("SGLANG_PORT")
     if port is not None:
@@ -2400,8 +2393,10 @@ def get_local_ip_auto(fallback: str = None) -> str:
         2. Network interface enumeration via get_local_ip_by_nic()
         3. Remote connection method via get_local_ip_by_remote()
     """
-    if ip := get_ip():
-        return ip
+    # Try environment variable
+    host_ip = os.getenv("SGLANG_HOST_IP", "") or os.getenv("HOST_IP", "")
+    if host_ip:
+        return host_ip
     logger.debug("get_ip failed")
     # Fallback
     if ip := get_local_ip_by_nic():
diff --git a/sgl-kernel/python/sgl_kernel/flash_attn.py b/sgl-kernel/python/sgl_kernel/flash_attn.py
index 33e959703..f6b87c311 100644
--- a/sgl-kernel/python/sgl_kernel/flash_attn.py
+++ b/sgl-kernel/python/sgl_kernel/flash_attn.py
@@ -2,7 +2,6 @@ from functools import lru_cache
 from typing import Optional, Union
 
 import torch
-import torch.nn as nn
 
 try:
     from sgl_kernel import flash_ops
diff --git a/test/srt/openai_server/features/test_json_constrained.py b/test/srt/openai_server/features/test_json_constrained.py
index e4fdeecb5..048352b91 100644
--- a/test/srt/openai_server/features/test_json_constrained.py
+++ b/test/srt/openai_server/features/test_json_constrained.py
@@ -51,10 +51,10 @@ def setup_class(cls, backend: str):
     )
 
 
-class TestJSONConstrainedOutlinesBackend(CustomTestCase):
+class TestJSONConstrained(CustomTestCase):
     @classmethod
     def setUpClass(cls):
-        setup_class(cls, backend="outlines")
+        setup_class(cls, backend="xgrammar")
 
     @classmethod
     def tearDownClass(cls):
@@ -137,13 +137,13 @@ class TestJSONConstrainedOutlinesBackend(CustomTestCase):
             list(executor.map(self.run_decode, json_schemas))
 
 
-class TestJSONConstrainedXGrammarBackend(TestJSONConstrainedOutlinesBackend):
+class TestJSONConstrainedOutlinesBackend(TestJSONConstrained):
     @classmethod
     def setUpClass(cls):
-        setup_class(cls, backend="xgrammar")
+        setup_class(cls, backend="outlines")
 
 
-class TestJSONConstrainedLLGuidanceBackend(TestJSONConstrainedOutlinesBackend):
+class TestJSONConstrainedLLGuidanceBackend(TestJSONConstrained):
     @classmethod
     def setUpClass(cls):
         setup_class(cls, backend="llguidance")