--- old/src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Double256Vector.java	2019-03-18 17:55:37.786612900 -0700
+++ new/src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Double256Vector.java	2019-03-18 17:55:37.213927100 -0700
@@ -856,19 +856,6 @@
 
     @Override
     @ForceInline
-    public double subAll() {
-        long bits = (long) VectorIntrinsics.reductionCoerced(
-                                VECTOR_OP_SUB, Double256Vector.class, double.class, LENGTH,
-                                this,
-                                v -> {
-                                    double r = v.rOp((double) 0, (i, a, b) -> (double) (a - b));
-                                    return (long)Double.doubleToLongBits(r);
-                                });
-        return Double.longBitsToDouble(bits);
-    }
-
-    @Override
-    @ForceInline
     public double mulAll() {
         long bits = (long) VectorIntrinsics.reductionCoerced(
                                 VECTOR_OP_MUL, Double256Vector.class, double.class, LENGTH,
@@ -914,12 +901,6 @@
     }
 
     @Override
-    @ForceInline
-    public double subAll(Mask<Double> m) {
-        return blend(SPECIES.broadcast((double) 0), m).subAll();
-    }
-
-    @Override
     @ForceInline
     public double mulAll(Mask<Double> m) {
         return blend(SPECIES.broadcast((double) 1), m).mulAll();