diff --git a/ecs/vars.config b/ecs/vars.config
index d5a31b0..4bb31fd 100644
--- a/ecs/vars.config
+++ b/ecs/vars.config
@@ -3,7 +3,6 @@
 {pgsql, true}.
 {sqlite, true}.
 {redis, true}.
-{riak, true}.
 {zlib, true}.
 {elixir, true}.
 {iconv, true}.