diff --git a/src/du/du.rs b/src/du/du.rs
index 96cab13cc..516ec8e2f 100644
--- a/src/du/du.rs
+++ b/src/du/du.rs
@@ -268,7 +268,7 @@ ers of 1000).",
         None => 1024
     };
 
-    let convert_size = |&: size: u64| -> String {
+    let convert_size = |size: u64| -> String {
         if matches.opt_present("human-readable") || matches.opt_present("si") {
             if size >= MB {
                 format!("{:.1}M", (size as f64) / (MB as f64))
diff --git a/src/fold/fold.rs b/src/fold/fold.rs
index 9e8de9fe6..cb3b47b42 100644
--- a/src/fold/fold.rs
+++ b/src/fold/fold.rs
@@ -124,7 +124,7 @@ fn fold_file<T: io::Reader>(file: BufferedReader<T>, bytes: bool, spaces: bool,
                 let slice = {
                     let slice = &line[i..i + width];
                     if spaces && i + width < len {
-                        match slice.rfind(|&: ch: char| ch.is_whitespace()) {
+                        match slice.rfind(|ch: char| ch.is_whitespace()) {
                             Some(m) => &slice[..m + 1],
                             None => slice
                         }
diff --git a/src/mv/mv.rs b/src/mv/mv.rs
index 890f6b13d..f89f32d49 100644
--- a/src/mv/mv.rs
+++ b/src/mv/mv.rs
@@ -161,7 +161,7 @@ pub fn uumain(args: Vec<String>) -> i32 {
         verbose: matches.opt_present("v"),
     };
 
-    let string_to_path = |&: s: &String| { Path::new(s.as_slice()) };
+    let string_to_path = |s: &String| { Path::new(s.as_slice()) };
     let paths: Vec<Path> = matches.free.iter().map(string_to_path).collect();
 
     if matches.opt_present("version") {
diff --git a/src/stdbuf/stdbuf.rs b/src/stdbuf/stdbuf.rs
index ec4aa1b70..9920f7f53 100644
--- a/src/stdbuf/stdbuf.rs
+++ b/src/stdbuf/stdbuf.rs
@@ -90,8 +90,8 @@ fn print_usage(opts: &[OptGroup]) {
 }
 
 fn parse_size(size: &str) -> Option<u64> {
-    let ext = size.trim_left_matches(|&: c: char| c.is_digit(10));
-    let num = size.trim_right_matches(|&: c: char| c.is_alphabetic());
+    let ext = size.trim_left_matches(|c: char| c.is_digit(10));
+    let num = size.trim_right_matches(|c: char| c.is_alphabetic());
     let mut recovered = num.to_string();
     recovered.push_str(ext);
     if recovered.as_slice() != size {
diff --git a/src/test/test.rs b/src/test/test.rs
index b484630bb..5251a997e 100644
--- a/src/test/test.rs
+++ b/src/test/test.rs
@@ -336,7 +336,7 @@ fn path(path: &[u8], cond: PathCondition) -> bool {
         Write   = 0o2,
         Execute = 0o1,
     }
-    let perm = |&: stat: stat, p: Permission| {
+    let perm = |stat: stat, p: Permission| {
         use libc::{getgid, getuid};
         let (uid, gid) = unsafe { (getuid(), getgid()) };
         if uid == stat.st_uid {
diff --git a/src/tr/tr.rs b/src/tr/tr.rs
index a35f9c48a..45e85bfd6 100644
--- a/src/tr/tr.rs
+++ b/src/tr/tr.rs
@@ -96,7 +96,7 @@ fn delete(set: Vec<char>, complement: bool) {
         bset.insert(c as usize);
     }
 
-    let is_allowed = |&: c : char| {
+    let is_allowed = |c : char| {
         if complement {
             bset.contains(&(c as usize))
         } else {