diff --git a/python/sglang/srt/mem_cache/memory_pool.py b/python/sglang/srt/mem_cache/memory_pool.py
index e1054e21dfd..f2271fd7a42 100644
--- a/python/sglang/srt/mem_cache/memory_pool.py
+++ b/python/sglang/srt/mem_cache/memory_pool.py
@@ -524,7 +524,6 @@ def __init__(
             ]
 
         self.layer_transfer_counter = None
-        self.page_size = page_size
 
         kv_size = self.get_kv_size_bytes()
         logger.info(