diff --git a/src/gpu/GrSwizzle.cpp b/src/gpu/GrSwizzle.cpp
index 138b24f..21fe834 100644
--- a/src/gpu/GrSwizzle.cpp
+++ b/src/gpu/GrSwizzle.cpp
@@ -11,17 +11,11 @@
 void GrSwizzle::apply(SkRasterPipeline* pipeline) const {
     SkASSERT(pipeline);
     switch (fKey) {
-        case GrSwizzle("rgba").asKey():
+        case GrSwizzle::RGBA().asKey():
             return;
-        case GrSwizzle("bgra").asKey():
+        case GrSwizzle::BGRA().asKey():
             pipeline->append(SkRasterPipeline::swap_rb);
             return;
-        case GrSwizzle("aaa1").asKey():
-            pipeline->append(SkRasterPipeline::alpha_to_gray);
-            return;
-        case GrSwizzle("rgb1").asKey():
-            pipeline->append(SkRasterPipeline::force_opaque);
-            return;
         default: {
             GR_STATIC_ASSERT(sizeof(uintptr_t) >= 4 * sizeof(char));
             // Rather than allocate the 4 control bytes on the heap somewhere, just jam them right