diff --git a/include/core/SkMath.h b/include/core/SkMath.h
index 41afb5a82c..97352afab9 100644
--- a/include/core/SkMath.h
+++ b/include/core/SkMath.h
@@ -48,10 +48,7 @@ static inline unsigned SkMul16ShiftRound(U16CPU a, U16CPU b, int shift) {
  *  Only valid if a and b are unsigned and <= 32767.
  */
 static inline U8CPU SkMulDiv255Round(U16CPU a, U16CPU b) {
-    SkASSERT(a <= 32767);
-    SkASSERT(b <= 32767);
-    unsigned prod = a*b + 128;
-    return (prod + (prod >> 8)) >> 8;
+    return SkMul16ShiftRound(a,b,8);
 }
 
 #endif
diff --git a/tests/MathTest.cpp b/tests/MathTest.cpp
index cf28f8a044..8f68b92352 100644
--- a/tests/MathTest.cpp
+++ b/tests/MathTest.cpp
@@ -94,32 +94,6 @@ static void test_floor(skiatest::Reporter* reporter) {
 
 ///////////////////////////////////////////////////////////////////////////////
 
-// test that SkMul16ShiftRound and SkMulDiv255Round return the same result
-static void test_muldivround(skiatest::Reporter* reporter) {
-#if 0
-    // this "complete" test is too slow, so we test a random sampling of it
-
-    for (int a = 0; a <= 32767; ++a) {
-        for (int b = 0; b <= 32767; ++b) {
-            unsigned prod0 = SkMul16ShiftRound(a, b, 8);
-            unsigned prod1 = SkMulDiv255Round(a, b);
-            SkASSERT(prod0 == prod1);
-        }
-    }
-#endif
-
-    SkRandom rand;
-    for (int i = 0; i < 10000; ++i) {
-        unsigned a = rand.nextU() & 0x7FFF;
-        unsigned b = rand.nextU() & 0x7FFF;
-
-        unsigned prod0 = SkMul16ShiftRound(a, b, 8);
-        unsigned prod1 = SkMulDiv255Round(a, b);
-
-        REPORTER_ASSERT(reporter, prod0 == prod1);
-    }
-}
-
 static float float_blend(int src, int dst, float unit) {
     return dst + (src - dst) * unit;
 }
@@ -536,7 +510,6 @@ DEF_TEST(Math, reporter) {
     // disable for now
     if (false) test_blend31();  // avoid bit rot, suppress warning
 
-    test_muldivround(reporter);
     test_clz(reporter);
     test_ctz(reporter);
 }