diff --git a/src/core/native_array.pm6 b/src/core/native_array.pm6
index d44bbf65a6b..de8a3d00cc5 100644
--- a/src/core/native_array.pm6
+++ b/src/core/native_array.pm6
@@ -293,9 +293,7 @@ my class array does Iterable {
         multi method splice(strarray:D: Int:D $offset, Int:D $size, Seq:D \seq) {
             nqp::if(
               seq.is-lazy,
-              Failure.new(X::Cannot::Lazy.new(
-                :action<splice>, :what(self.^name)
-              )),
+              X::Cannot::Lazy.new(:action<splice>, :what(self.^name)).throw,
               nqp::stmts(
                 nqp::unless(
                   nqp::istype(
@@ -778,9 +776,7 @@ my class array does Iterable {
         multi method splice(intarray:D: Int:D $offset, Int:D $size, Seq:D \seq) {
             nqp::if(
               seq.is-lazy,
-              Failure.new(X::Cannot::Lazy.new(
-                :action<splice>, :what(self.^name)
-              )),
+              X::Cannot::Lazy.new(:action<splice>, :what(self.^name)).throw,
               nqp::stmts(
                 nqp::unless(
                   nqp::istype(
@@ -1315,9 +1311,7 @@ my class array does Iterable {
         multi method splice(numarray:D: Int:D $offset, Int:D $size, Seq:D \seq) {
             nqp::if(
               seq.is-lazy,
-              Failure.new(X::Cannot::Lazy.new(
-                :action<splice>, :what(self.^name)
-              )),
+              X::Cannot::Lazy.new(:action<splice>, :what(self.^name)).throw,
               nqp::stmts(
                 nqp::unless(
                   nqp::istype(
diff --git a/tools/build/makeNATIVE_ARRAY.p6 b/tools/build/makeNATIVE_ARRAY.p6
index 362d5badcf9..c61d557000c 100755
--- a/tools/build/makeNATIVE_ARRAY.p6
+++ b/tools/build/makeNATIVE_ARRAY.p6
@@ -250,9 +250,7 @@ for $*IN.lines -> $line {
         multi method splice(#type#array:D: Int:D $offset, Int:D $size, Seq:D \seq) {
             nqp::if(
               seq.is-lazy,
-              Failure.new(X::Cannot::Lazy.new(
-                :action<splice>, :what(self.^name)
-              )),
+              X::Cannot::Lazy.new(:action<splice>, :what(self.^name)).throw,
               nqp::stmts(
                 nqp::unless(
                   nqp::istype(