diff --git a/src/openalpr/segmentation/histogram.cpp b/src/openalpr/segmentation/histogram.cpp
index afa009c..06ba928 100644
--- a/src/openalpr/segmentation/histogram.cpp
+++ b/src/openalpr/segmentation/histogram.cpp
@@ -82,7 +82,6 @@ namespace alpr
       }
     }
     
-    drawAndWait(inputImage);
     
     int histo_width = this->colHeights.size();
     int histo_height = max_col_size + 10;
@@ -100,7 +99,7 @@ namespace alpr
         histoImg.at<uchar>(histo_height - columnCount, col) = 255;
     }
 
-    drawAndWait(histoImg);
+    
   }
 
   int Histogram::getLocalMinimum(int leftX, int rightX)