diff --git a/paddle/framework/tensor.h b/paddle/framework/tensor.h
index 4b5a2ae523f2f7fde5445f0534cd99969ad9d59e..7bce8e4ff2bcd98d58523ed865a79dd3b32bf9a2 100644
--- a/paddle/framework/tensor.h
+++ b/paddle/framework/tensor.h
@@ -165,12 +165,6 @@ class Tensor {
   /*! points to dimensions of memory block. */
   DDim dims_;
 
-  /**
-   * A cache of the number of elements in a tensor.
-   * Would be 0 for an uninitialized tensor.
-   */
-  int64_t numel_;
-
   /**
    * @brief   A PlaceHolder may be shared by more than one tensor.
    *
diff --git a/paddle/framework/tensor_impl.h b/paddle/framework/tensor_impl.h
index 6d2c14f4c47afb755b1c74f6dc4dd10ab25ed191..a5405f9c31543b5733f9db923c2a6f8b968cfc2d 100644
--- a/paddle/framework/tensor_impl.h
+++ b/paddle/framework/tensor_impl.h
@@ -147,13 +147,12 @@ inline Tensor Tensor::Slice(const int& begin_idx, const int& end_idx) const {
 
 inline Tensor& Tensor::Resize(const DDim& dims) {
   dims_ = dims;
-  numel_ = product(dims_);
   return *this;
 }
 
 inline const DDim& Tensor::dims() const { return dims_; }
 
-inline int64_t Tensor::numel() const { return numel_; }
+inline int64_t Tensor::numel() const { return product(dims_); }
 
 template <typename T>
 inline Tensor ReshapeToMatrix(const Tensor& src, int num_col_dims) {