diff --git a/onnxruntime/contrib_ops/cpu/quantization/matmul_nbits.cc b/onnxruntime/contrib_ops/cpu/quantization/matmul_nbits.cc
index 39c87e8d52370..0c0f84303cee1 100644
--- a/onnxruntime/contrib_ops/cpu/quantization/matmul_nbits.cc
+++ b/onnxruntime/contrib_ops/cpu/quantization/matmul_nbits.cc
@@ -281,7 +281,6 @@ Status MatMulNBits::UseSharedPrePackedBuffers(std::vector<BufferUniquePtr>& prep
 }
 
 Status MatMulNBits::Compute(OpKernelContext* ctx) const {
-  //auto start = std::chrono::high_resolution_clock::now();  // Start timing here
   concurrency::ThreadPool* thread_pool = ctx->GetOperatorThreadPool();
   const Tensor* a = ctx->Input<Tensor>(InputIndex::A);
   const auto* a_data = a->Data<float>();
diff --git a/onnxruntime/core/mlas/lib/sqnbitgemm.cpp b/onnxruntime/core/mlas/lib/sqnbitgemm.cpp
index f5eb0fdafc85f..7ab9b23d3467f 100644
--- a/onnxruntime/core/mlas/lib/sqnbitgemm.cpp
+++ b/onnxruntime/core/mlas/lib/sqnbitgemm.cpp
@@ -534,6 +534,7 @@ SQ4BitGemm_CompInt8(
                 RowsRemaining -= RowsHandled;
             }
         }
+#ifdef MLAS_TARGET_AMD64_IX86
         else if (GetMlasPlatform().SQNBitGemmDispatch->SQ4BitGemmKernel_BlkSum_CompInt8 != nullptr)
         {
             const float* b_blk_sum = QuantBBlkSum + n * k_blks;
@@ -562,6 +563,7 @@ SQ4BitGemm_CompInt8(
                 );
             }
         }
+#endif
     }
 }