diff --git a/Libraries/mpfr/with_modules-3.1.4 b/Libraries/mpfr/with_modules-3.1.4
deleted file mode 100644
index dc5c57c..0000000
--- a/Libraries/mpfr/with_modules-3.1.4
+++ /dev/null
@@ -1 +0,0 @@
-gmp/6.1.0
diff --git a/Programming/gcc/6/variants b/Programming/gcc/6/variants
new file mode 100644
index 0000000..f27a29d
--- /dev/null
+++ b/Programming/gcc/6/variants
@@ -0,0 +1 @@
+6.1.0	Linux,Darwin	stable		gmp/6.0.0 mpfr/3.1.3 mpc/1.0.3
diff --git a/Programming/gcc/with_modules-5.3.0 b/Programming/gcc/with_modules-5.3.0
deleted file mode 100644
index 1b560bd..0000000
--- a/Programming/gcc/with_modules-5.3.0
+++ /dev/null
@@ -1,3 +0,0 @@
-gmp/6.0.0
-mpfr/3.1.3
-mpc/1.0.3