diff --git a/schala-lang/src/lib.rs b/schala-lang/src/lib.rs
index 64cb44b..12dfa1b 100644
--- a/schala-lang/src/lib.rs
+++ b/schala-lang/src/lib.rs
@@ -1,4 +1,4 @@
-#![feature(advanced_slice_patterns, slice_patterns, box_patterns, box_syntax)]
+#![feature(slice_patterns, box_patterns, box_syntax)]
 extern crate itertools;
 #[macro_use]
 extern crate lazy_static;
diff --git a/schala-repl/src/lib.rs b/schala-repl/src/lib.rs
index 774cf40..db6552f 100644
--- a/schala-repl/src/lib.rs
+++ b/schala-repl/src/lib.rs
@@ -1,5 +1,5 @@
 #![feature(link_args)]
-#![feature(advanced_slice_patterns, slice_patterns, box_patterns, box_syntax)]
+#![feature(slice_patterns, box_patterns, box_syntax)]
 #![feature(plugin)]
 #![plugin(rocket_codegen)]
 extern crate getopts;