diff --git a/lib/cask/dsl.rb b/lib/cask/dsl.rb
index 275901688e26..7093322b242b 100644
--- a/lib/cask/dsl.rb
+++ b/lib/cask/dsl.rb
@@ -249,7 +249,6 @@ def installer(*args)
     end
 
     SPECIAL_ARTIFACT_TYPES = [
-      :nested_container,
       :uninstall,
       :zap,
     ]