diff --git a/mindspore/ccsrc/backend/kernel_compiler/gpu/arrays/gather_gpu_kernel.h b/mindspore/ccsrc/backend/kernel_compiler/gpu/arrays/gather_gpu_kernel.h
index 3f2c258d8ef..71aae2d3754 100644
--- a/mindspore/ccsrc/backend/kernel_compiler/gpu/arrays/gather_gpu_kernel.h
+++ b/mindspore/ccsrc/backend/kernel_compiler/gpu/arrays/gather_gpu_kernel.h
@@ -97,9 +97,6 @@ class GatherGpuFwdKernel : public GpuKernel {
     return;
   }
   size_t GetSize(const std::vector<size_t> &shape, const bool flag = true) const {
-    if (shape.size() == 0) {
-      return 0;
-    }
     size_t result = flag ? sizeof(T) : sizeof(S);
     for (size_t i = 0; i < shape.size(); i++) {
       result *= shape[i];
diff --git a/mindspore/ccsrc/backend/kernel_compiler/gpu/arrays/gather_grad_gpu_kernel.h b/mindspore/ccsrc/backend/kernel_compiler/gpu/arrays/gather_grad_gpu_kernel.h
index e47d4140c96..bb622dc6c4f 100644
--- a/mindspore/ccsrc/backend/kernel_compiler/gpu/arrays/gather_grad_gpu_kernel.h
+++ b/mindspore/ccsrc/backend/kernel_compiler/gpu/arrays/gather_grad_gpu_kernel.h
@@ -98,9 +98,6 @@ class GatherGradGpuKernel : public GpuKernel {
     return;
   }
   size_t GetSize(const std::vector<size_t> &shape, const bool flag = true) const {
-    if (shape.size() == 0) {
-      return 0;
-    }
     size_t result = flag ? sizeof(T) : sizeof(S);
     for (size_t i = 0; i < shape.size(); i++) {
       result *= shape[i];
diff --git a/mindspore/ccsrc/backend/session/anf_runtime_algorithm.h b/mindspore/ccsrc/backend/session/anf_runtime_algorithm.h
index d75c4f62380..3a1bea2d27e 100644
--- a/mindspore/ccsrc/backend/session/anf_runtime_algorithm.h
+++ b/mindspore/ccsrc/backend/session/anf_runtime_algorithm.h
@@ -288,9 +288,6 @@ class AnfRuntimeAlgorithm {
   // Calc tensor size in byte.
   template <typename T>
   static size_t TensorSizeInByte(const std::vector<size_t> &shape) {
-    if (shape.size() == 0) {
-      return 0;
-    }
     size_t result = sizeof(T);
     for (size_t i = 0; i < shape.size(); i++) {
       result *= shape[i];