diff --git a/paddle/phi/core/device_context.cc b/paddle/phi/core/device_context.cc
index d186a622018510..31e743caa8529e 100644
--- a/paddle/phi/core/device_context.cc
+++ b/paddle/phi/core/device_context.cc
@@ -26,7 +26,6 @@
 #include "paddle/phi/core/string_tensor.h"
 
 namespace phi {
-using DataType = phi::DataType;
 
 struct DeviceContext::Impl {
   Impl() = default;