Remove unused variable.

src/ngraph/pass/memory_layout.cpp

@@ -53,7 +53,8 @@ bool pass::MemoryLayout::run_on_function(shared_ptr<ngraph::Function> function)
                     {
                         auto output = &node->get_outputs().at(oi_pair.output).get_tensor();
                         auto input = &node->get_inputs().at(oi_pair.input).get_tensor();
-                        auto input_node = node->get_inputs().at(oi_pair.input).get_output().get_node();
+                        auto input_node =
+                            node->get_inputs().at(oi_pair.input).get_output().get_node();
 
                         // For destructive kernel, this should be the last use
                         // Non-destructive kernels can pass through if memory sharing is disabled

src/ngraph/runtime/cpu/pass/cpu_memory_optimization.cpp

@@ -177,7 +177,7 @@ bool runtime::cpu::pass::CPUMemoryOptimization::run_on_function(std::shared_ptr<
                             {
                                 if (auto op_annotations = op->get_op_annotations())
                                 {
-                                    for (auto oi_pair : op_annotations->get_in_place_oi_pairs())
+                                    if (op_annotations->get_in_place_oi_pairs().size() > 0)
                                     {
                                         NGRAPH_DEBUG << "cpu_memory_optimization: "
                                                         "in place oi, no in place concat";