diff --git a/components/constellation/constellation.rs b/components/constellation/constellation.rs
index 9f147cfba66..b9719c64f19 100644
--- a/components/constellation/constellation.rs
+++ b/components/constellation/constellation.rs
@@ -2037,7 +2037,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
             let visibility_msg = ConstellationControlMsg::NotifyVisibilityChange(parent_pipeline_id,
                                                                                  browsing_context_id,
                                                                                  visibility);
-            let  result = match self.pipelines.get(&parent_pipeline_id) {
+            let result = match self.pipelines.get(&parent_pipeline_id) {
                 None => return warn!("Parent pipeline {:?} closed", parent_pipeline_id),
                 Some(parent_pipeline) => parent_pipeline.event_loop.send(visibility_msg),
             };
diff --git a/components/script/dom/document.rs b/components/script/dom/document.rs
index 27bd4f10004..7295c04f9dc 100644
--- a/components/script/dom/document.rs
+++ b/components/script/dom/document.rs
@@ -960,7 +960,7 @@ impl Document {
             let line = click_pos - last_pos;
             let dist = (line.dot(line) as f64).sqrt();
 
-            if  now.duration_since(last_time) < DBL_CLICK_TIMEOUT &&
+            if now.duration_since(last_time) < DBL_CLICK_TIMEOUT &&
                 dist < DBL_CLICK_DIST_THRESHOLD as f64 {
                 // A double click has occurred if this click is within a certain time and dist. of previous click.
                 let click_count = 2;
diff --git a/components/script/serviceworker_manager.rs b/components/script/serviceworker_manager.rs
index 793d7ccf370..2bf19aa25a5 100644
--- a/components/script/serviceworker_manager.rs
+++ b/components/script/serviceworker_manager.rs
@@ -176,7 +176,7 @@ impl ServiceWorkerManager {
                     }
                 }
             } else {
-                let  _ = mediator.response_chan.send(None);
+                let _ = mediator.response_chan.send(None);
             }
         } else {
             let _ = mediator.response_chan.send(None);
diff --git a/tests/unit/net/http_loader.rs b/tests/unit/net/http_loader.rs
index e08ac0b9012..15f0356cf56 100644
--- a/tests/unit/net/http_loader.rs
+++ b/tests/unit/net/http_loader.rs
@@ -938,7 +938,7 @@ fn test_load_follows_a_redirect() {
 }
 
 #[test]
-fn  test_redirect_from_x_to_y_provides_y_cookies_from_y() {
+fn test_redirect_from_x_to_y_provides_y_cookies_from_y() {
     let shared_url_y = Arc::new(Mutex::new(None::<ServoUrl>));
     let shared_url_y_clone = shared_url_y.clone();
     let handler = move |request: HyperRequest, mut response: HyperResponse| {