diff --git a/common/sourceTest/java/ch/systemsx/cisd/common/test/ImageDebugViewer.java b/common/sourceTest/java/ch/systemsx/cisd/common/test/ImageDebugViewer.java
index 521bbd1bdd14ed8ec11496449803c39a9479d810..423d3878a2654712f4cacdbe5383b7c68fe22834 100644
--- a/common/sourceTest/java/ch/systemsx/cisd/common/test/ImageDebugViewer.java
+++ b/common/sourceTest/java/ch/systemsx/cisd/common/test/ImageDebugViewer.java
@@ -29,7 +29,6 @@ import java.io.IOException;
 import java.util.Arrays;
 
 import javax.imageio.ImageIO;
-import javax.media.jai.Histogram;
 import javax.swing.ImageIcon;
 import javax.swing.JButton;
 import javax.swing.JLabel;