diff --git a/exercises/atbash-cipher/example.rs b/exercises/atbash-cipher/example.rs
index 8d06f8120..97de6d80b 100644
--- a/exercises/atbash-cipher/example.rs
+++ b/exercises/atbash-cipher/example.rs
@@ -1,5 +1,3 @@
-use std::ascii::AsciiExt;
-
 fn ascii(ch: char) -> u8 {
     ch as u8
 }
diff --git a/exercises/crypto-square/example.rs b/exercises/crypto-square/example.rs
index d0dff7426..04ad395c9 100644
--- a/exercises/crypto-square/example.rs
+++ b/exercises/crypto-square/example.rs
@@ -1,5 +1,3 @@
-use std::ascii::AsciiExt;
-
 extern crate itertools;
 use itertools::Itertools;
 
diff --git a/exercises/etl/example.rs b/exercises/etl/example.rs
index 011af4963..187bcc5bf 100644
--- a/exercises/etl/example.rs
+++ b/exercises/etl/example.rs
@@ -1,4 +1,3 @@
-use std::ascii::AsciiExt;
 use std::collections::BTreeMap;
 
 pub fn transform(input: &BTreeMap<i32, Vec<char>>) -> BTreeMap<char, i32> {
diff --git a/exercises/forth/example.rs b/exercises/forth/example.rs
index ab7eacaf7..d02882dc7 100644
--- a/exercises/forth/example.rs
+++ b/exercises/forth/example.rs
@@ -1,4 +1,3 @@
-use std::ascii::AsciiExt;
 use std::collections::HashMap;
 use std::collections::LinkedList;
 use std::str::FromStr;
diff --git a/exercises/pangram/example.rs b/exercises/pangram/example.rs
index 585d178d8..c338ffa6f 100644
--- a/exercises/pangram/example.rs
+++ b/exercises/pangram/example.rs
@@ -1,5 +1,4 @@
 use std::collections::BTreeSet;
-use std::ascii::AsciiExt;
 use std::iter::FromIterator;
 
 pub fn is_pangram(sentence: &str) -> bool {