diff --git a/samplecode/SampleDitherBitmap.cpp b/samplecode/SampleDitherBitmap.cpp
index 676d4c3..bdd3071 100644
--- a/samplecode/SampleDitherBitmap.cpp
+++ b/samplecode/SampleDitherBitmap.cpp
@@ -56,12 +56,9 @@
     for (int i = 0; i < 256; i++) {
         c[i] = SkPackARGB32(0xFF, i, 0, 0);
     }
-    SkColorTable* ctable = new SkColorTable(c, 256);
-
     SkBitmap bm;
     bm.allocPixels(SkImageInfo::Make(256, 32, kIndex_8_SkColorType, kPremul_SkAlphaType),
-                   nullptr, ctable);
-    ctable->unref();
+                   SkColorTable::Make(c, 256));
 
     bm.lockPixels();
     for (int y = 0; y < bm.height(); y++) {