diff --git a/python/sglang/srt/compilation/weak_ref_tensor_jit.py b/python/sglang/srt/compilation/weak_ref_tensor_jit.py
index 094393fb2..ffd525c9e 100644
--- a/python/sglang/srt/compilation/weak_ref_tensor_jit.py
+++ b/python/sglang/srt/compilation/weak_ref_tensor_jit.py
@@ -1,6 +1,5 @@
 import os
 
-import torch
 from torch.utils.cpp_extension import load
 
 _abs_path = os.path.dirname(os.path.abspath(__file__))
@@ -10,7 +9,3 @@ load(
     sources=[f"{_abs_path}/weak_ref_tensor.cpp"],
     extra_cflags=["-O3"],
 )
-
-x = torch.arange(12, device="cuda").reshape(3, 4)
-y = torch.ops.jit_weak_ref_tensor.weak_ref_tensor(x)
-print("alias:", x.data_ptr() == y.data_ptr())
diff --git a/python/sglang/srt/mem_cache/memory_pool_host.py b/python/sglang/srt/mem_cache/memory_pool_host.py
index 8729e21db..60db37da6 100644
--- a/python/sglang/srt/mem_cache/memory_pool_host.py
+++ b/python/sglang/srt/mem_cache/memory_pool_host.py
@@ -32,8 +32,6 @@ if _is_npu:
 logger = logging.getLogger(__name__)
 
 SUPPORT_PIN_MEMORY = not _is_npu
-if SUPPORT_PIN_MEMORY:
-    logger.warning("Current platform not support pin_memory")
 
 
 def synchronized(func):
diff --git a/python/sglang/srt/tracing/trace.py b/python/sglang/srt/tracing/trace.py
index 32d820fc6..c2551ec7b 100644
--- a/python/sglang/srt/tracing/trace.py
+++ b/python/sglang/srt/tracing/trace.py
@@ -66,7 +66,7 @@ except ImportError:
         class IdGenerator:
             pass
 
-    logger.info("opentelemetry package is not installed, tracing disabled")
+    logger.debug("opentelemetry package is not installed, tracing disabled")
 
 
 def is_tracing_enabled() -> bool: