diff --git a/python/paddle/utils/code_gen/backward.yaml b/python/paddle/utils/code_gen/backward.yaml
deleted file mode 100644
index 70c89daebf4d2628d4233ed0dc0429166fd2b9cb..0000000000000000000000000000000000000000
--- a/python/paddle/utils/code_gen/backward.yaml
+++ /dev/null
@@ -1,14 +0,0 @@
-- grad_api : matmul_grad
-  forward : matmul (const Tensor& x, const Tensor& y, bool transpose_x, bool transpose_y) -> Tensor(out)
-  args : (const Tensor& x, const Tensor& y, const Tensor& out_grad, bool transpose_x=false, bool transpose_y=false)
-  output : Tensor(x_grad), Tensor(y_grad)
-  infer_meta :
-    func : MatmulGradInferMeta
-  kernel : 
-    func : matmul_grad
-
-- grad_api : scale_grad
-  forward : scale (const Tensor& x, const Scalar& scale, float bias, bool bias_after_scale) -> Tensor(out)
-  args : (const Tensor& out_grad, const Scalar& scale, float bias=0.0, bool bias_after_scale=true)
-  output : Tensor // dx
-  invoke : scale(out_grad, scale, bias, bias_after_scale)