diff --git a/tests/DeferredCanvasTest.cpp b/tests/DeferredCanvasTest.cpp
index a052c2e..a752c83 100644
--- a/tests/DeferredCanvasTest.cpp
+++ b/tests/DeferredCanvasTest.cpp
@@ -246,7 +246,7 @@
     virtual void prepareForDraw() SK_OVERRIDE {
         fPrepareForDrawCount++;
     }
-    virtual void storageAllocatedForRecordingChanged(size_t size) SK_OVERRIDE {
+    virtual void storageAllocatedForRecordingChanged(size_t) SK_OVERRIDE {
         fStorageAllocatedChangedCount++;
     }
     virtual void flushedDrawCommands() SK_OVERRIDE {