diff --git a/HDF5_serial/H5hut/1/variants b/HDF5_serial/H5hut/1/variants
deleted file mode 100644
index fe9f1fa..0000000
--- a/HDF5_serial/H5hut/1/variants
+++ /dev/null
@@ -1,8 +0,0 @@
-H5hut_serial/1.99.13 stable     b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2 gcc/4.7.4 b:vtk/5.10.1 hdf5_serial/1.8.12 
-H5hut_serial/1.99.13 stable     b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2 gcc/4.7.4 b:vtk/5.10.1 hdf5_serial/1.8.14 
-H5hut_serial/1.99.13 stable     b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2 gcc/4.8.3 b:vtk/5.10.1 hdf5_serial/1.8.12 
-H5hut_serial/1.99.13 stable     b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2 gcc/4.8.3 b:vtk/5.10.1 hdf5_serial/1.8.14 
-H5hut_serial/1.99.13 stable     b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2 gcc/4.8.4 b:vtk/5.10.1 hdf5_serial/1.8.12 
-H5hut_serial/1.99.13 stable     b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2 gcc/4.8.4 b:vtk/5.10.1 hdf5_serial/1.8.14 
-H5hut_serial/1.99.13 stable     b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2 gcc/4.9.2 b:vtk/5.10.1 hdf5_serial/1.8.12 
-H5hut_serial/1.99.13 stable     b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2 gcc/4.9.2 b:vtk/5.10.1 hdf5_serial/1.8.14 
diff --git a/HDF5_serial/H5hut/2/variants b/HDF5_serial/H5hut/2/variants
deleted file mode 100644
index f270ad7..0000000
--- a/HDF5_serial/H5hut/2/variants
+++ /dev/null
@@ -1,12 +0,0 @@
-H5hut/2.0.0rc2	unstable	gcc/4.8.5 hdf5_serial/1.8.17 b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2
-H5hut/2.0.0rc2	unstable	gcc/4.9.4 hdf5_serial/1.8.17 b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2
-H5hut/2.0.0rc2	unstable	gcc/5.4.0 hdf5_serial/1.8.17 b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2
-H5hut/2.0.0rc2	unstable	gcc/6.2.0 hdf5_serial/1.8.17 b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2
-
-H5hut/2.0.0rc3	unstable	gcc/4.8.5 hdf5_serial/1.8.18 b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2
-H5hut/2.0.0rc3	unstable	gcc/4.9.4 hdf5_serial/1.8.18 b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2
-H5hut/2.0.0rc3	unstable	gcc/5.4.0 hdf5_serial/1.8.18 b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2
-H5hut/2.0.0rc3	unstable	gcc/6.2.0 hdf5_serial/1.8.18 b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2
-
-H5hut/2.0.0rc4	unstable	gcc/7.3.0 hdf5_serial/1.10.1 b:autoconf/2.69 b:automake/1.15 b:libtool/2.4.6
-H5hut/2.0.0rc5	unstable	gcc/7.3.0 hdf5_serial/1.10.4 b:autoconf/2.69 b:automake/1.15 b:libtool/2.4.6
diff --git a/HDF5_serial/H5hut/files/variants b/HDF5_serial/H5hut/files/variants
new file mode 100644
index 0000000..15a528b
--- /dev/null
+++ b/HDF5_serial/H5hut/files/variants
@@ -0,0 +1,5 @@
+H5hut_serial/1.99.13	deprecated	b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2 gcc/{4.7.4,4.8.3,4.8.4,4.9.2} b:vtk/5.10.1 hdf5_serial/{1.8.12,1.8.14} 
+
+H5hut/2.0.0rc2		deprecated	gcc/{4.8.5,6.2.0} hdf5_serial/1.8.17 b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2
+H5hut/2.0.0rc3		deprecated	gcc/{4.8.5,4.9.4,5.4.0,6.2.0} hdf5_serial/1.8.18 b:autoconf/2.69 b:automake/1.14 b:libtool/2.4.2
+H5hut/2.0.0rc4		deprecated	gcc/7.3.0 hdf5_serial/1.10.1 b:autoconf/2.69 b:automake/1.15 b:libtool/2.4.6