diff --git a/client/client_mock_test.go b/client/client_mock_test.go
index 37f3055a..54be833a 100644
--- a/client/client_mock_test.go
+++ b/client/client_mock_test.go
@@ -256,8 +256,7 @@ const (
 	MAlterCollection         ServiceMethod = 109
 	MGetLoadingProgress      ServiceMethod = 110
 	MGetLoadState            ServiceMethod = 111
-	MAlterCollectionField    ServiceMethod = 112
-	MOperatePrivilegeV2      ServiceMethod = 113
+	MOperatePrivilegeV2      ServiceMethod = 112
 
 	MCreatePartition   ServiceMethod = 201
 	MDropPartition     ServiceMethod = 202
@@ -1096,15 +1095,6 @@ func (m *MockServer) RestoreRBAC(ctx context.Context, req *milvuspb.RestoreRBACM
 	return SuccessStatus()
 }
 
-func (m *MockServer) AlterCollectionField(ctx context.Context, req *milvuspb.AlterCollectionFieldRequest) (*commonpb.Status, error) {
-	f := m.GetInjection(MAlterCollectionField)
-	if f != nil {
-		r, err := f(ctx, req)
-		return r.(*commonpb.Status), err
-	}
-	return SuccessStatus()
-}
-
 func (m *MockServer) CreatePrivilegeGroup(ctx context.Context, req *milvuspb.CreatePrivilegeGroupRequest) (*commonpb.Status, error) {
 	f := m.GetInjection(MCreatePrivilegeGroup)
 	if f != nil {