diff --git a/csrc/jit_kernels/impls/runtime_utils.hpp b/csrc/jit_kernels/impls/runtime_utils.hpp
index a2fd276..72a76f0 100644
--- a/csrc/jit_kernels/impls/runtime_utils.hpp
+++ b/csrc/jit_kernels/impls/runtime_utils.hpp
@@ -82,7 +82,6 @@ static CUtensorMapDataType aten_dtype_to_tensor_map_dtype(const at::ScalarType&
         case torch::kFloat:         return CU_TENSOR_MAP_DATA_TYPE_FLOAT32;
         case torch::kBFloat16:      return CU_TENSOR_MAP_DATA_TYPE_BFLOAT16;
         case torch::kFloat8_e4m3fn: return CU_TENSOR_MAP_DATA_TYPE_UINT8;
-        case torch::kInt8:           return CU_TENSOR_MAP_DATA_TYPE_UINT8;
 #if CUDA_VERSION >= 12080
         case kPackedFP4:            return fp4_unpacked_smem ? CU_TENSOR_MAP_DATA_TYPE_16U4_ALIGN16B
                                                              : CU_TENSOR_MAP_DATA_TYPE_16U4_ALIGN8B;