diff --git a/rpcx/client_test.go b/rpcx/client_test.go
index 57335a98..38499a0b 100644
--- a/rpcx/client_test.go
+++ b/rpcx/client_test.go
@@ -9,7 +9,7 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"github.com/tal-tech/go-zero/core/logx"
-	"github.com/tal-tech/go-zero/rpcx/mock"
+	"github.com/tal-tech/go-zero/rpcx/internal/mock"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
diff --git a/rpcx/mock/deposit.pb.go b/rpcx/internal/mock/deposit.pb.go
similarity index 100%
rename from rpcx/mock/deposit.pb.go
rename to rpcx/internal/mock/deposit.pb.go
diff --git a/rpcx/mock/deposit.proto b/rpcx/internal/mock/deposit.proto
similarity index 100%
rename from rpcx/mock/deposit.proto
rename to rpcx/internal/mock/deposit.proto
diff --git a/rpcx/mock/depositserver.go b/rpcx/internal/mock/depositserver.go
similarity index 100%
rename from rpcx/mock/depositserver.go
rename to rpcx/internal/mock/depositserver.go
diff --git a/rpcx/proxy_test.go b/rpcx/proxy_test.go
index 32550b4d..5ac81928 100644
--- a/rpcx/proxy_test.go
+++ b/rpcx/proxy_test.go
@@ -6,7 +6,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	"github.com/tal-tech/go-zero/rpcx/mock"
+	"github.com/tal-tech/go-zero/rpcx/internal/mock"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"