diff --git a/internal/config/grpc.go b/internal/config/grpc.go
index 21ce8bb77d..54173bffbb 100644
--- a/internal/config/grpc.go
+++ b/internal/config/grpc.go
@@ -239,7 +239,6 @@ func (g *GRPCClient) Opts() ([]grpc.Option, error) {
 		opts = append(opts,
 			grpc.WithAuthority(g.DialOption.Authority),
 			grpc.WithBackoffMaxDelay(g.DialOption.BackoffMaxDelay),
-			grpc.WithBackoffMaxDelay(g.DialOption.BackoffMaxDelay),
 			grpc.WithClientInterceptors(g.DialOption.Interceptors...),
 			grpc.WithDisableRetry(g.DialOption.DisableRetry),
 			grpc.WithIdleTimeout(g.DialOption.IdleTimeout),