diff --git a/include/grpcpp/impl/codegen/service_type.h b/include/grpcpp/impl/codegen/service_type.h
index b5b7ce73d64..30be904a3c3 100644
--- a/include/grpcpp/impl/codegen/service_type.h
+++ b/include/grpcpp/impl/codegen/service_type.h
@@ -26,10 +26,6 @@
 #include <grpcpp/impl/codegen/server_interface.h>
 #include <grpcpp/impl/codegen/status.h>
 
-namespace grpc_impl {
-
-class Server;
-}  // namespace grpc_impl
 namespace grpc {
 
 class CompletionQueue;