diff --git a/src/agent.rs b/src/agent.rs
index 519421d..897a2cb 100644
--- a/src/agent.rs
+++ b/src/agent.rs
@@ -235,9 +235,7 @@ impl AgentBuilder {
                     self.max_idle_connections_per_host,
                 ),
                 #[cfg(feature = "cookies")]
-                cookie_tin: CookieTin::new(
-                    self.cookie_store.unwrap_or_else(|| CookieStore::default()),
-                ),
+                cookie_tin: CookieTin::new(self.cookie_store.unwrap_or_else(CookieStore::default)),
                 resolver: self.resolver,
             }),
         }
diff --git a/src/body.rs b/src/body.rs
index 1711e5c..30b2b2a 100644
--- a/src/body.rs
+++ b/src/body.rs
@@ -81,7 +81,7 @@ impl<'a> Payload<'a> {
                     let encoding = Encoding::for_label(_charset.as_bytes())
                         .or_else(|| Encoding::for_label(DEFAULT_CHARACTER_SET.as_bytes()))
                         .unwrap();
-                    encoding.encode(&text).0
+                    encoding.encode(text).0
                 };
                 #[cfg(not(feature = "charset"))]
                 let bytes = text.as_bytes();
diff --git a/src/stream.rs b/src/stream.rs
index 3563806..6857dd0 100644
--- a/src/stream.rs
+++ b/src/stream.rs
@@ -599,8 +599,8 @@ fn get_socks5_stream(
         let stream = Socks5Stream::connect_with_password(
             proxy_addr,
             host_addr,
-            &proxy.user.as_ref().unwrap(),
-            &proxy.password.as_ref().unwrap(),
+            proxy.user.as_ref().unwrap(),
+            proxy.password.as_ref().unwrap(),
         )?
         .into_inner();
         Ok(stream)
diff --git a/src/unit.rs b/src/unit.rs
index 5d07637..a55277d 100644
--- a/src/unit.rs
+++ b/src/unit.rs
@@ -89,7 +89,7 @@ impl Unit {
             }
 
             #[cfg(feature = "cookies")]
-            extra.extend(extract_cookies(agent, &url).into_iter());
+            extra.extend(extract_cookies(agent, url).into_iter());
 
             extra
         };
@@ -289,7 +289,7 @@ fn connect_inner(
 
     // squirrel away cookies
     #[cfg(feature = "cookies")]
-    save_cookies(&unit, &resp);
+    save_cookies(unit, &resp);
 
     debug!("response {} to {} {}", resp.status(), method, url);