diff --git a/src/fs/dir.rs b/src/fs/dir.rs
index 3234736528cf2f39645f2861057ed780b9e14022..cb117f1c42daecc88d8f2a38672e652660b57ecd 100644
--- a/src/fs/dir.rs
+++ b/src/fs/dir.rs
@@ -48,13 +48,13 @@ impl Dir {
     pub fn files<'dir>(&'dir self) -> Files<'dir> {
         Files {
             inner: self.contents.iter(),
-            dir: &self,
+            dir: self,
         }
     }
 
     /// Whether this directory contains a file with the given path.
     pub fn contains(&self, path: &Path) -> bool {
-        self.contents.iter().any(|ref p| p.as_path() == path)
+        self.contents.iter().any(|p| p.as_path() == path)
     }
 
     /// Append a path onto the path specified by this directory.
diff --git a/src/fs/file.rs b/src/fs/file.rs
index c74055fc516a4a8770c04d1ba9bb509c4ebae506..1986059539ee598a210960d6d0cdb7ebb210a001 100644
--- a/src/fs/file.rs
+++ b/src/fs/file.rs
@@ -403,7 +403,7 @@ impl<'dir> File<'dir> {
 
 impl<'a> AsRef<File<'a>> for File<'a> {
     fn as_ref(&self) -> &File<'a> {
-        &self
+        self
     }
 }
 
diff --git a/src/options/mod.rs b/src/options/mod.rs
index b6665030020cb54040077d308c566786313f08d9..853973f4690bf4ac545623681b3badab3952e4d9 100644
--- a/src/options/mod.rs
+++ b/src/options/mod.rs
@@ -138,9 +138,9 @@ impl Options {
     /// Determines the complete set of options based on the given command-line
     /// arguments, after they’ve been parsed.
     fn deduce(matches: &getopts::Matches) -> Result<Options, Misfire> {
-        let dir_action = DirAction::deduce(&matches)?;
-        let filter = FileFilter::deduce(&matches)?;
-        let view = View::deduce(&matches, filter.clone(), dir_action)?;
+        let dir_action = DirAction::deduce(matches)?;
+        let filter = FileFilter::deduce(matches)?;
+        let view = View::deduce(matches, filter.clone(), dir_action)?;
 
         Ok(Options {
             dir_action: dir_action,
diff --git a/src/output/details.rs b/src/output/details.rs
index 6afb6782ac1f07f830650c12cdf5f2247e5eedaa..6e524c8f7b6770eab089662f70e798e77c19aa87 100644
--- a/src/output/details.rs
+++ b/src/output/details.rs
@@ -207,7 +207,7 @@ impl Details {
         // Build the table to put rows in.
         let mut table = Table {
             columns: &*columns_for_dir,
-            opts: &self,
+            opts: self,
             env: env,
             rows: Vec::new(),
         };
@@ -306,7 +306,7 @@ impl Details {
             let mut width = DisplayWidth::from(&*egg.file.name);
 
             if egg.file.dir.is_none() {
-                if let Some(ref parent) = egg.file.path.parent() {
+                if let Some(parent) = egg.file.path.parent() {
                     width = width + 1 + DisplayWidth::from(parent.to_string_lossy().as_ref());
                 }
             }
@@ -456,7 +456,7 @@ impl<'a, U: Users+Groups+'a> Table<'a, U> {
         let mut width = DisplayWidth::from(&*file.name);
 
         if file.dir.is_none() {
-            if let Some(ref parent) = file.path.parent() {
+            if let Some(parent) = file.path.parent() {
                 width = width + 1 + DisplayWidth::from(parent.to_string_lossy().as_ref());
             }
         }
diff --git a/src/output/grid.rs b/src/output/grid.rs
index b5342a182ada79ce854ae2d8488aee9cfa595be9..e03b12ebd2d32c0d0638037c3e53b1aa460e0e0b 100644
--- a/src/output/grid.rs
+++ b/src/output/grid.rs
@@ -31,7 +31,7 @@ impl Grid {
             let mut width = DisplayWidth::from(&*file.name);
 
             if file.dir.is_none() {
-                if let Some(ref parent) = file.path.parent() {
+                if let Some(parent) = file.path.parent() {
                     width = width + 1 + DisplayWidth::from(parent.to_string_lossy().as_ref());
                 }
             }
diff --git a/src/output/mod.rs b/src/output/mod.rs
index c39c88ebe16bcd4e70853639a43c7a155acb5919..242ecb1117bb0e1406cf74503913513eeb822af7 100644
--- a/src/output/mod.rs
+++ b/src/output/mod.rs
@@ -23,7 +23,7 @@ pub fn filename(file: &File, colours: &Colours, links: bool) -> TextCellContents
     let mut bits = Vec::new();
 
     if file.dir.is_none() {
-        if let Some(ref parent) = file.path.parent() {
+        if let Some(parent) = file.path.parent() {
             let coconut = parent.components().count();
 
             if coconut == 1 && parent.has_root() {
@@ -37,7 +37,7 @@ pub fn filename(file: &File, colours: &Colours, links: bool) -> TextCellContents
     }
 
     if !file.name.is_empty() {
-        bits.push(file_colour(colours, &file).paint(file.name.clone()));
+        bits.push(file_colour(colours, file).paint(file.name.clone()));
     }
 
     if links && file.is_link() {
@@ -47,7 +47,7 @@ pub fn filename(file: &File, colours: &Colours, links: bool) -> TextCellContents
                 bits.push(colours.punctuation.paint("->"));
                 bits.push(Style::default().paint(" "));
 
-                if let Some(ref parent) = target.path.parent() {
+                if let Some(parent) = target.path.parent() {
                     let coconut = parent.components().count();
 
                     if coconut == 1 && parent.has_root() {