diff --git a/collections/src/linked_list.rs b/collections/src/linked_list.rs
index 0b19915082..6fb88d03de 100644
--- a/collections/src/linked_list.rs
+++ b/collections/src/linked_list.rs
@@ -872,9 +872,7 @@ impl<'a, T> IterMut<'a, T> {
     /// # Examples
     ///
     /// ```
-    /// #![feature(linked_list_extras)]
-    ///
-    /// use std::collections::LinkedList;
+    /// use nimiq_collections::linked_list::LinkedList;
     ///
     /// let mut list: LinkedList<_> = vec![1, 3, 4].into_iter().collect();
     ///
@@ -918,9 +916,7 @@ impl<'a, T> IterMut<'a, T> {
     /// # Examples
     ///
     /// ```
-    /// #![feature(linked_list_extras)]
-    ///
-    /// use std::collections::LinkedList;
+    /// use nimiq_collections::linked_list::LinkedList;
     ///
     /// let mut list: LinkedList<_> = vec![1, 2, 3].into_iter().collect();
     ///
diff --git a/nano-sync/src/lib.rs b/nano-sync/src/lib.rs
index 254dbd114a..1b40396701 100644
--- a/nano-sync/src/lib.rs
+++ b/nano-sync/src/lib.rs
@@ -1,5 +1,4 @@
 #![allow(dead_code)]
-#![feature(const_int_pow)]
 
 // Re-export big-endian serialization of algebra types.
 pub use nimiq_bls::compression;