diff --git a/Examples/RGB-D-Inertial/rgbd_inertial_realsense_D435i.cc b/Examples/RGB-D-Inertial/rgbd_inertial_realsense_D435i.cc
index 3d186e5dcd..cb73d28aa7 100644
--- a/Examples/RGB-D-Inertial/rgbd_inertial_realsense_D435i.cc
+++ b/Examples/RGB-D-Inertial/rgbd_inertial_realsense_D435i.cc
@@ -345,11 +345,7 @@ int main(int argc, char **argv) {
             if(!image_ready)
                 cond_image_rec.wait(lk);
 
-#ifdef COMPILEDWITHC11
             std::chrono::steady_clock::time_point time_Start_Process = std::chrono::steady_clock::now();
-#else
-            std::chrono::monotonic_clock::time_point time_Start_Process = std::chrono::monotonic_clock::now();
-#endif
 
             fs = fsSLAM;