--- old/src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Byte64Vector.java	2019-03-18 17:55:20.595720500 -0700
+++ new/src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Byte64Vector.java	2019-03-18 17:55:20.100835600 -0700
@@ -761,15 +761,6 @@
 
     @Override
     @ForceInline
-    public byte subAll() {
-        return (byte) VectorIntrinsics.reductionCoerced(
-            VECTOR_OP_SUB, Byte64Vector.class, byte.class, LENGTH,
-            this,
-            v -> (long) v.rOp((byte) 0, (i, a, b) -> (byte) (a - b)));
-    }
-
-    @Override
-    @ForceInline
     public byte orAll() {
         return (byte) VectorIntrinsics.reductionCoerced(
             VECTOR_OP_OR, Byte64Vector.class, byte.class, LENGTH,
@@ -806,12 +797,6 @@
     }
 
     @Override
-    @ForceInline
-    public byte subAll(Mask<Byte> m) {
-        return blend(SPECIES.broadcast((byte) 0), m).subAll();
-    }
-
-    @Override
     @ForceInline
     public byte mulAll(Mask<Byte> m) {
         return blend(SPECIES.broadcast((byte) 1), m).mulAll();