diff --git a/gm/bitmapscroll.cpp b/gm/bitmapscroll.cpp
index eee9668..a1c0ce4 100644
--- a/gm/bitmapscroll.cpp
+++ b/gm/bitmapscroll.cpp
@@ -131,10 +131,10 @@
                 // Scroll a new copy of the bitmap, and then draw it.
                 // scrollRect() should always return true, even if it's a no-op
                 SkBitmap scrolledBitmap;
-                bool copyToReturnValue = origBitmap.copyTo(
+                SkDEBUGCODE(bool copyToReturnValue = )origBitmap.copyTo(
                     &scrolledBitmap, origBitmap.config());
                 SkASSERT(copyToReturnValue);
-                bool scrollRectReturnValue = scrolledBitmap.scrollRect(
+                SkDEBUGCODE(bool scrollRectReturnValue = )scrolledBitmap.scrollRect(
                     subset, scrollX * xMult, scrollY * yMult);
                 SkASSERT(scrollRectReturnValue);
                 canvas->drawBitmap(scrolledBitmap, bitmapX, bitmapY);