diff --git a/grabber.cpp b/grabber.cpp
index 884ea66..fc87e10 100644
--- a/grabber.cpp
+++ b/grabber.cpp
@@ -1,8 +1,6 @@
 #include "grabber.h"
 #include <iostream>
 #include <pylon/PylonIncludes.h>
-#include <chrono>
-using namespace std::chrono;
 
 void Grabber::run() {
   stop_request = false;
@@ -11,19 +9,14 @@ void Grabber::run() {
       camera->frameRate(static_cast<uint>(framerate));
       camera->exposureTime(exposure);
       camera->gain(gain);
-      Pylon::CGrabResultPtr frame;
       Pylon::CInstantCamera *cam = camera->getCamera();
+      Pylon::CGrabResultPtr frame;
       cam->StartGrabbing();
       while (camera->isOpen() && !stop_request) {
           MyImage *img = new MyImage();
-          auto start = high_resolution_clock::now();
           cam->RetrieveResult( 5000, frame, Pylon::TimeoutHandling_ThrowException);
-          auto stop1 = high_resolution_clock::now();
           img->setFrame(frame);
-          auto stop2 = high_resolution_clock::now();
           buffer->push(img);
-          auto duration1 = duration_cast<microseconds>(stop1 - start);
-          auto duration2 = duration_cast<microseconds>(stop2 - stop1);
           count += 1;
       }
       cam->StopGrabbing();