diff --git a/src/helma/image/ColorQuantizer.java b/src/helma/image/ColorQuantizer.java
index c11283e5..d7882311 100644
--- a/src/helma/image/ColorQuantizer.java
+++ b/src/helma/image/ColorQuantizer.java
@@ -521,7 +521,6 @@ public class ColorQuantizer {
            // create the right color model, depending on transparency settings:
            IndexColorModel icm;
            
-           int colorDepth = getDepth(numColors);
            int width = image.getWidth();
            int height = image.getHeight();
            
@@ -538,7 +537,6 @@ public class ColorQuantizer {
            // create the indexed BufferedImage:
            BufferedImage dest = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_INDEXED, icm);
 
-           boolean firstOut = true;
            if (dither)
                new DiffusionFilterOp().filter(image, dest);
            else {
diff --git a/src/helma/image/imageio/gif/GIFImageWriteParam.java b/src/helma/image/imageio/gif/GIFImageWriteParam.java
index 0ed54b1d..14b370e2 100644
--- a/src/helma/image/imageio/gif/GIFImageWriteParam.java
+++ b/src/helma/image/imageio/gif/GIFImageWriteParam.java
@@ -25,9 +25,6 @@ import javax.imageio.*;
 
 public class GIFImageWriteParam extends ImageWriteParam {
 
-    private boolean quantizeColors;
-    private String quantizeMode;
-
     public GIFImageWriteParam(Locale locale) {
         super(locale);
         canWriteProgressive = true;