diff --git a/sgl-kernel/src/sgl-kernel/csrc/moe_align_kernel.cu b/sgl-kernel/src/sgl-kernel/csrc/moe_align_kernel.cu
index 31bb97fc4..c7faf9d37 100644
--- a/sgl-kernel/src/sgl-kernel/csrc/moe_align_kernel.cu
+++ b/sgl-kernel/src/sgl-kernel/csrc/moe_align_kernel.cu
@@ -51,7 +51,6 @@ __global__ void moe_align_block_size_kernel(scalar_t* __restrict__ topk_ids, int
   __shared__ int32_t local_offsets[256];
 
   const int warp_id = threadIdx.x / WARP_SIZE;
-  const int lane_id = threadIdx.x % WARP_SIZE;
   const int experts_per_warp = 8;
   const int my_expert_start = warp_id * experts_per_warp;