diff --git a/src/gmc_con.erl b/src/gmc_con.erl
index b541501..c93b709 100644
--- a/src/gmc_con.erl
+++ b/src/gmc_con.erl
@@ -205,10 +205,7 @@ do_start_stop(#s{acc = PubKey, keys = Keys, network = Network, max_cores = MaxCo
     {Fatness, Type} =
         case os:type() of
             {unix, linux} ->
-                case Network of
-                    <<"mainnet">> -> {"mean", "avx2"};
-                    <<"testnet">> -> {"mean", "generic"}
-                end;
+                {"mean", "generic"};
             {unix, darwin} ->
                 % Check memory. >7gb gets mean, <7gb gets lean
                 {"mean", "generic"};
@@ -216,10 +213,7 @@ do_start_stop(#s{acc = PubKey, keys = Keys, network = Network, max_cores = MaxCo
                 % Check memory. >7gb gets mean, <7gb gets lean
                 % Check avx2.
                 % Both should be provided by the F# start program
-                case Network of
-                    <<"mainnet">> -> {"mean", "avx2.exe"};
-                    <<"testnet">> -> {"mean", "generic.exe"}
-                end
+                {"mean", "generic"};
         end,
     Miner = filename:join(platform_dir(), unicode:characters_to_binary([Fatness, Bits, "-", Type])),
     Count = optimize_count(MaxCores, MaxMem),