diff --git a/Tools/xmlto/files/variants.Darwin b/Tools/xmlto/files/variants.Darwin
deleted file mode 100644
index 91b56a3..0000000
--- a/Tools/xmlto/files/variants.Darwin
+++ /dev/null
@@ -1 +0,0 @@
-xmlto/0.0.28	stable	b:getopt/1.1.6
diff --git a/Tools/xmlto/files/variants.macos10.14 b/Tools/xmlto/files/variants.macos10.14
new file mode 100644
index 0000000..cb1c8c8
--- /dev/null
+++ b/Tools/xmlto/files/variants.macos10.14
@@ -0,0 +1,2 @@
+xmlto/0.0.28	stable		b:getopt/1.1.6
+xmlto/0.0.28-1	unstable	libxml2/2.9.9 b:getopt/1.1.6