diff --git a/.buildkite/vllm_lkg.version b/.buildkite/vllm_lkg.version
index 736f427393..7b952fd527 100644
--- a/.buildkite/vllm_lkg.version
+++ b/.buildkite/vllm_lkg.version
@@ -1 +1 @@
-ee8a29511fc69e3f0f6291fa6ff1cf6e47f7750d
+e5ff140216272c529261b02b6fd13fc480713735
diff --git a/tests/platforms/test_tpu_platform.py b/tests/platforms/test_tpu_platform.py
index 7dfe112cb1..07ee7dec14 100644
--- a/tests/platforms/test_tpu_platform.py
+++ b/tests/platforms/test_tpu_platform.py
@@ -27,7 +27,6 @@ class TestTpuPlatform:
     def vllm_config(self):
         cache_config = CacheConfig(block_size=16,
                                    gpu_memory_utilization=0.9,
-                                   swap_space=4,
                                    cache_dtype="fp8")
 
         vllm_config = MagicMock(spec=VllmConfig)
diff --git a/tests/runner/test_kv_cache_manager.py b/tests/runner/test_kv_cache_manager.py
index 86b37098dd..2ac46edc95 100644
--- a/tests/runner/test_kv_cache_manager.py
+++ b/tests/runner/test_kv_cache_manager.py
@@ -63,7 +63,6 @@ def _setup_runner(self, use_mla: bool = False):
             cache_config = CacheConfig(
                 block_size=16,
                 gpu_memory_utilization=0.9,
-                swap_space=4,
                 cache_dtype="auto",
             )
             scheduler_config = SchedulerConfig(max_num_seqs=16,
diff --git a/tests/runner/test_multimodal_manager.py b/tests/runner/test_multimodal_manager.py
index 648560bf56..9bf1739667 100644
--- a/tests/runner/test_multimodal_manager.py
+++ b/tests/runner/test_multimodal_manager.py
@@ -53,7 +53,6 @@ def setup_method(self):
             cache_config = CacheConfig(
                 block_size=16,
                 gpu_memory_utilization=0.9,
-                swap_space=4,
                 cache_dtype="auto",
             )
             scheduler_config = SchedulerConfig(max_num_seqs=16,
diff --git a/tests/runner/test_speculative_decoding_manager.py b/tests/runner/test_speculative_decoding_manager.py
index 4bd897ce2c..259c8b1a81 100644
--- a/tests/runner/test_speculative_decoding_manager.py
+++ b/tests/runner/test_speculative_decoding_manager.py
@@ -52,7 +52,6 @@ def setup_method(self):
             cache_config = CacheConfig(
                 block_size=16,
                 gpu_memory_utilization=0.9,
-                swap_space=4,
                 cache_dtype="auto",
             )
             scheduler_config = SchedulerConfig(max_num_seqs=16,
diff --git a/tests/runner/test_structured_decoding_manager.py b/tests/runner/test_structured_decoding_manager.py
index b0e460500e..74a4a30e49 100644
--- a/tests/runner/test_structured_decoding_manager.py
+++ b/tests/runner/test_structured_decoding_manager.py
@@ -50,7 +50,6 @@ def setup_method(self):
             cache_config = CacheConfig(
                 block_size=16,
                 gpu_memory_utilization=0.9,
-                swap_space=4,
                 cache_dtype="auto",
             )
             scheduler_config = SchedulerConfig(max_num_seqs=16,
diff --git a/tests/runner/test_tpu_runner.py b/tests/runner/test_tpu_runner.py
index 4fa1956836..5bce0f0020 100644
--- a/tests/runner/test_tpu_runner.py
+++ b/tests/runner/test_tpu_runner.py
@@ -45,7 +45,6 @@ def setup_method(self):
             cache_config = CacheConfig(
                 block_size=16,
                 gpu_memory_utilization=0.9,
-                swap_space=4,
                 cache_dtype="auto",
             )
             scheduler_config = SchedulerConfig(max_num_seqs=16,
@@ -202,7 +201,6 @@ def setup_method(self):
             cache_config = CacheConfig(
                 block_size=16,
                 gpu_memory_utilization=0.9,
-                swap_space=4,
                 cache_dtype="auto",
             )
             scheduler_config = SchedulerConfig(max_num_seqs=16,