diff --git a/mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_fp16.cc b/mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_fp16.cc
index 69521196e44ca6d263b3c9482407909d83e1c22b..8d2e44d40262d491b1c5c33c2700cb804de3e487 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_fp16.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_fp16.cc
@@ -48,14 +48,6 @@ using mindspore::schema::PrimitiveType_Sub;
 
 namespace mindspore::kernel {
 void ArithmeticFP16CPUKernel::FreeTmpBuffer() {
-  if (tile_data0_ != nullptr) {
-    free(tile_data0_);
-    tile_data0_ = nullptr;
-  }
-  if (tile_data1_ != nullptr) {
-    free(tile_data1_);
-    tile_data1_ = nullptr;
-  }
   if (input0_fp16_ != nullptr) {
     context_->allocator->Free(input0_fp16_);
     input0_fp16_ = nullptr;
@@ -70,7 +62,7 @@ void ArithmeticFP16CPUKernel::FreeTmpBuffer() {
   }
 }
 
-ArithmeticFP16CPUKernel::~ArithmeticFP16CPUKernel() { FreeTmpBuffer(); }
+ArithmeticFP16CPUKernel::~ArithmeticFP16CPUKernel() {}
 
 int ArithmeticFP16CPUKernel::Init() {
   switch (op_parameter_->type_) {
@@ -162,7 +154,6 @@ int ArithmeticFP16CPUKernel::Init() {
 }
 
 int ArithmeticFP16CPUKernel::ReSize() {
-  FreeTmpBuffer();
   arithmeticParameter_->in_elements_num0_ = in_tensors_[0]->ElementsNum();
   arithmeticParameter_->in_elements_num1_ = in_tensors_[1]->ElementsNum();
   arithmeticParameter_->out_elements_num_ = out_tensors_[0]->ElementsNum();
@@ -286,7 +277,7 @@ int ArithmeticFP16CPUKernel::ReSize() {
 }
 
 int ArithmeticFP16CPUKernel::BroadcastRun(float16_t *input0, float16_t *input1, float16_t *output, int dim,
-                                            int out_count, int out_thread_stride) {
+                                          int out_count, int out_thread_stride) {
   if (dim > break_pos_) {
     int error_code =
       arithmetic_run_(input0 + out_thread_stride, input1 + out_thread_stride, output + out_thread_stride, out_count);
@@ -303,8 +294,8 @@ int ArithmeticFP16CPUKernel::BroadcastRun(float16_t *input0, float16_t *input1,
     int pos1_ = arithmeticParameter_->in_shape1_[dim] == 1 ? 0 : i;
     int error_code =
       BroadcastRun(input0 + pos0_ * arithmeticParameter_->in_strides0_[dim],
-                     input1 + pos1_ * arithmeticParameter_->in_strides1_[dim],
-                     output + i * arithmeticParameter_->out_strides_[dim], dim + 1, out_count, out_thread_stride);
+                   input1 + pos1_ * arithmeticParameter_->in_strides1_[dim],
+                   output + i * arithmeticParameter_->out_strides_[dim], dim + 1, out_count, out_thread_stride);
     if (error_code != RET_OK) {
       return RET_ERROR;
     }
@@ -327,7 +318,6 @@ int ArithmeticFP16CPUKernel::DoArithmetic(int task_id) {
 
   if (arithmetic_run_ == nullptr) {
     MS_LOG(ERROR) << "arithmetic_run function is nullptr!";
-    FreeTmpBuffer();
     return RET_ERROR;
   }
 
@@ -383,8 +373,7 @@ int ArithmeticFP16CPUKernel::Run() {
   arithmeticParameter_->in_elements_num1_ = in_tensors_[1]->ElementsNum();
   arithmeticParameter_->out_elements_num_ = out_tensors_[0]->ElementsNum();
   if (out_tensors_[0]->data_type() == kNumberTypeFloat32 || out_tensors_[0]->data_type() == kNumberTypeFloat) {
-    output_fp16_ = reinterpret_cast<float16_t *>(
-      context_->allocator->Malloc(arithmeticParameter_->out_elements_num_ * sizeof(float16_t)));
+    output_fp16_ = reinterpret_cast<float16_t *>(malloc(arithmeticParameter_->out_elements_num_ * sizeof(float16_t)));
     if (output_fp16_ == nullptr) {
       MS_LOG(ERROR) << "malloc data fail!";
       FreeTmpBuffer();
@@ -392,8 +381,7 @@ int ArithmeticFP16CPUKernel::Run() {
     }
   }
   if (in_tensors_[0]->data_type() == kNumberTypeFloat32 || in_tensors_[0]->data_type() == kNumberTypeFloat) {
-    input0_fp16_ = reinterpret_cast<float16_t *>(
-      context_->allocator->Malloc(arithmeticParameter_->in_elements_num0_ * sizeof(float16_t)));
+    input0_fp16_ = reinterpret_cast<float16_t *>(malloc(arithmeticParameter_->in_elements_num0_ * sizeof(float16_t)));
     if (input0_fp16_ == nullptr) {
       MS_LOG(ERROR) << "malloc data fail!";
       FreeTmpBuffer();
@@ -403,8 +391,7 @@ int ArithmeticFP16CPUKernel::Run() {
                      arithmeticParameter_->in_elements_num0_);
   }
   if (in_tensors_[1]->data_type() == kNumberTypeFloat32 || in_tensors_[1]->data_type() == kNumberTypeFloat) {
-    input1_fp16_ = reinterpret_cast<float16_t *>(
-      context_->allocator->Malloc(arithmeticParameter_->in_elements_num0_ * sizeof(float16_t)));
+    input1_fp16_ = reinterpret_cast<float16_t *>(malloc(arithmeticParameter_->in_elements_num0_ * sizeof(float16_t)));
     if (input1_fp16_ == nullptr) {
       MS_LOG(ERROR) << "malloc data fail!";
       FreeTmpBuffer();
@@ -414,6 +401,7 @@ int ArithmeticFP16CPUKernel::Run() {
                      arithmeticParameter_->in_elements_num1_);
   }
   ret = ParallelLaunch(THREAD_POOL_DEFAULT, ArithmeticsRun_Fp16, this, context_->thread_num_);
+  FreeTmpBuffer();
   return ret;
 }
 
@@ -441,21 +429,21 @@ kernel::LiteKernel *CpuArithmeticFp16KernelCreator(const std::vector<lite::tenso
   return kernel;
 }
 
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Mul, CpuArithmeticFp16KernelCreator)
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Add, CpuArithmeticFp16KernelCreator)
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Sub, CpuArithmeticFp16KernelCreator)
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Div, CpuArithmeticFp16KernelCreator)
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_FloorMod, CpuArithmeticFp16KernelCreator)
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_FloorDiv, CpuArithmeticFp16KernelCreator)
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_LogicalAnd, CpuArithmeticFp16KernelCreator)
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_LogicalOr, CpuArithmeticFp16KernelCreator)
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Maximum, CpuArithmeticFp16KernelCreator)
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Minimum, CpuArithmeticFp16KernelCreator)
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_NotEqual, CpuArithmeticFp16KernelCreator)
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Equal, CpuArithmeticFp16KernelCreator)
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Less, CpuArithmeticFp16KernelCreator)
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_LessEqual, CpuArithmeticFp16KernelCreator)
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Greater, CpuArithmeticFp16KernelCreator)
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_GreaterEqual, CpuArithmeticFp16KernelCreator)
-// REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Eltwise, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Mul, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Add, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Sub, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Div, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_FloorMod, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_FloorDiv, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_LogicalAnd, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_LogicalOr, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Maximum, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Minimum, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_NotEqual, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Equal, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Less, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_LessEqual, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Greater, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_GreaterEqual, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Eltwise, CpuArithmeticFp16KernelCreator)
 }  // namespace mindspore::kernel
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_fp16.h b/mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_fp16.h
index 13a693e9c0feda3120eafe1cf8c8e4ea9e3a6a81..5c8a52b77688a213668f6e9fa00b7cf7a091ab15 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_fp16.h
+++ b/mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_fp16.h
@@ -50,8 +50,6 @@ class ArithmeticFP16CPUKernel : public LiteKernel {
   int break_pos_;
   int out_thread_stride_;
   int out_count_;
-  float16_t *tile_data0_ = nullptr;
-  float16_t *tile_data1_ = nullptr;
   float16_t *input0_fp16_ = nullptr;
   float16_t *input1_fp16_ = nullptr;
   float16_t *output_fp16_ = nullptr;