diff --git a/vendor/golang.org/x/sys/unix/mkall.sh b/vendor/golang.org/x/sys/unix/mkall.sh
index d257fac..396aadf 100644
--- a/vendor/golang.org/x/sys/unix/mkall.sh
+++ b/vendor/golang.org/x/sys/unix/mkall.sh
@@ -70,23 +70,11 @@
 	mksyscall="go run mksyscall_aix_ppc64.go -aix"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
-darwin_386)
-	mkerrors="$mkerrors -m32"
-	mksyscall="go run mksyscall.go -l32"
-	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
-	mkasm="go run mkasm_darwin.go"
-	;;
 darwin_amd64)
 	mkerrors="$mkerrors -m64"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	mkasm="go run mkasm_darwin.go"
 	;;
-darwin_arm)
-	mkerrors="$mkerrors"
-	mksyscall="go run mksyscall.go -l32"
-	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
-	mkasm="go run mkasm_darwin.go"
-	;;
 darwin_arm64)
 	mkerrors="$mkerrors -m64"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
@@ -199,7 +187,7 @@
         mksyscall="go run mksyscall_solaris.go"
 	mkerrors=
 	mksysnum=
-	mktypes=
+	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
 *)
 	echo 'unrecognized $GOOS_$GOARCH: ' "$GOOSARCH" 1>&2