diff --git a/stackinator/templates/compilers.gcc.spack.yaml b/stackinator/templates/compilers.gcc.spack.yaml
index 601d9512..f8e9ebdc 100644
--- a/stackinator/templates/compilers.gcc.spack.yaml
+++ b/stackinator/templates/compilers.gcc.spack.yaml
@@ -13,13 +13,3 @@ spack:
   packages:
     gcc:
       variants: [build_type=Release +bootstrap +profiled +strip ~binutils]
-    mpc:
-      variants: [libs=static]
-    gmp:
-      variants: [libs=static]
-    mpfr:
-      variants: [libs=static]
-    zstd:
-      variants: [libs=static]
-    zlib:
-      variants: [~shared]