diff --git a/elixir_buildpack.config b/elixir_buildpack.config
index 542441b..5a9703f 100644
--- a/elixir_buildpack.config
+++ b/elixir_buildpack.config
@@ -1,3 +1,2 @@
 elixir_version=1.12.2
 erlang_version=24.0.4
-clean_cache=true
diff --git a/phoenix_static_buildpack.config b/phoenix_static_buildpack.config
index abf8241..16dd9f5 100644
--- a/phoenix_static_buildpack.config
+++ b/phoenix_static_buildpack.config
@@ -1,2 +1,3 @@
 node_version=12.16.1
 npm_version=6.14.4
+clean_cache=true