diff --git a/paddle/phi/kernels/cpu/activation_grad_kernel.cc b/paddle/phi/kernels/cpu/activation_grad_kernel.cc
index 97976c8f384866..f527d9286a2533 100644
--- a/paddle/phi/kernels/cpu/activation_grad_kernel.cc
+++ b/paddle/phi/kernels/cpu/activation_grad_kernel.cc
@@ -459,8 +459,6 @@ PD_REGISTER_KERNEL(pow_double_grad,
                    CPU,
                    ALL_LAYOUT,
                    phi::PowDoubleGradKernel,
-                   phi::dtype::complex<float>,
-                   phi::dtype::complex<double>,
                    float,
                    double,
                    int,
@@ -469,8 +467,6 @@ PD_REGISTER_KERNEL(pow_triple_grad,
                    CPU,
                    ALL_LAYOUT,
                    phi::PowTripleGradKernel,
-                   phi::dtype::complex<float>,
-                   phi::dtype::complex<double>,
                    float,
                    double,
                    int,
diff --git a/paddle/phi/kernels/gpu/activation_grad_kernel.cu b/paddle/phi/kernels/gpu/activation_grad_kernel.cu
index 76a6c043d7c699..45c577a6e85503 100644
--- a/paddle/phi/kernels/gpu/activation_grad_kernel.cu
+++ b/paddle/phi/kernels/gpu/activation_grad_kernel.cu
@@ -543,8 +543,6 @@ PD_REGISTER_KERNEL(pow_double_grad,
                    double,
                    int,
                    int64_t,
-                   phi::dtype::complex<float>,
-                   phi::dtype::complex<double>,
                    phi::dtype::float16,
                    phi::dtype::bfloat16) {}
 PD_REGISTER_KERNEL(pow_triple_grad,
@@ -555,7 +553,5 @@ PD_REGISTER_KERNEL(pow_triple_grad,
                    double,
                    int,
                    int64_t,
-                   phi::dtype::complex<float>,
-                   phi::dtype::complex<double>,
                    phi::dtype::float16,
                    phi::dtype::bfloat16) {}