diff --git a/tensorrt_llm/_torch/pyexecutor/mamba_cache_manager.py b/tensorrt_llm/_torch/pyexecutor/mamba_cache_manager.py
index d4d54d7df905..54be9fd150d5 100644
--- a/tensorrt_llm/_torch/pyexecutor/mamba_cache_manager.py
+++ b/tensorrt_llm/_torch/pyexecutor/mamba_cache_manager.py
@@ -725,6 +725,7 @@ def _is_padding_sentinel(self, request_id: int) -> bool:
         return (CUDA_GRAPH_DUMMY_REQUEST_ID - max_dl <= request_id <=
                 CUDA_GRAPH_DUMMY_REQUEST_ID)
 
+    @torch.inference_mode()
     def add_dummy_requests(self, request_ids: List[int], **kwargs):
         # Sentinels alias to the shared _padding_slot; non-sentinel
         # dummies (warmup, attention-DP idle padding) get their own
diff --git a/tests/integration/test_lists/waives.txt b/tests/integration/test_lists/waives.txt
index aa78edb371ad..fd88980c548d 100644
--- a/tests/integration/test_lists/waives.txt
+++ b/tests/integration/test_lists/waives.txt
@@ -15,7 +15,6 @@ accuracy/test_llm_api_autodeploy.py::TestNemotronNanoV3::test_accuracy[fp8-4-att
 accuracy/test_llm_api_autodeploy.py::TestNemotronNanoV3::test_accuracy[nvfp4-1-attn_dp_off-trtllm] SKIP (temporary ToT main waive; B200 AutoDeploy NVFP4 GSM8K accuracy below threshold)
 accuracy/test_llm_api_autodeploy.py::TestNemotronNanoV3::test_accuracy[nvfp4-4-attn_dp_off-trtllm] SKIP (https://nvbugs/6367792)
 accuracy/test_llm_api_autodeploy.py::TestNemotronSuperV3::test_mtp[bf16_ws4_180gb-flashinfer] SKIP (https://nvbugs/6418090)
-accuracy/test_llm_api_autodeploy.py::TestNemotronSuperV3::test_mtp[bf16_ws4_180gb-trtllm] SKIP (https://nvbugs/6422315)
 accuracy/test_llm_api_autodeploy.py::TestNemotronSuperV3::test_mtp[fp8_ws4_80gb-trtllm] SKIP (https://nvbugs/6422094)
 accuracy/test_llm_api_autodeploy.py::TestNemotronSuperV3::test_mtp[nvfp4_ws8_80gb-trtllm] SKIP (https://nvbugs/6418090)
 accuracy/test_llm_api_autodeploy.py::TestQwen3_5_397B_MoE::test_nvfp4[8] SKIP (https://nvbugs/6412108)