diff --git a/components/layout/flow.rs b/components/layout/flow.rs
index acea20ad4d4..b8a16933ae6 100644
--- a/components/layout/flow.rs
+++ b/components/layout/flow.rs
@@ -627,7 +627,7 @@ bitflags! {
         #[doc = "virtual call is too expensive."]
         const FLOATS_RIGHT = 0b0000_0000_0000_0100_0000_0000;
         #[doc = "Text alignment. \
-
+                 \
                  NB: If you update this, update `TEXT_ALIGN_SHIFT` below."]
         const TEXT_ALIGN = 0b0000_0000_0111_1000_0000_0000;
         #[doc = "Whether this flow has a fragment with `counter-reset` or `counter-increment` \
diff --git a/components/script/dom/cssrulelist.rs b/components/script/dom/cssrulelist.rs
index d4fde8ae308..479c46c222e 100644
--- a/components/script/dom/cssrulelist.rs
+++ b/components/script/dom/cssrulelist.rs
@@ -2,6 +2,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+#![allow(unsafe_code)]
+
 use crate::dom::bindings::cell::DomRefCell;
 use crate::dom::bindings::codegen::Bindings::CSSRuleListBinding::CSSRuleListMethods;
 use crate::dom::bindings::error::{Error, ErrorResult, Fallible};
@@ -21,7 +23,6 @@ use style::stylesheets::{
     AllowImportRules, CssRules, CssRulesHelpers, KeyframesRule, RulesMutateError,
 };
 
-#[allow(unsafe_code)]
 unsafe_no_jsmanaged_fields!(RulesSource);
 
 unsafe_no_jsmanaged_fields!(CssRules);
diff --git a/components/script/dom/macros.rs b/components/script/dom/macros.rs
index 5a32b36996b..324f5419389 100644
--- a/components/script/dom/macros.rs
+++ b/components/script/dom/macros.rs
@@ -636,7 +636,7 @@ macro_rules! handle_potential_webgl_error {
         }
     };
     ($context:expr, $call:expr) => {
-        handle_potential_webgl_error!($context, $call, ());
+        handle_potential_webgl_error!($context, $call, ())
     };
 }
 
diff --git a/components/style/stylesheets/viewport_rule.rs b/components/style/stylesheets/viewport_rule.rs
index a62b7a5bbf1..a1090636bf0 100644
--- a/components/style/stylesheets/viewport_rule.rs
+++ b/components/style/stylesheets/viewport_rule.rs
@@ -753,7 +753,7 @@ impl MaybeNew for ViewportConstraints {
                     })
                 } else {
                     None
-                };
+                }
             };
         }
 
diff --git a/components/style/values/generics/mod.rs b/components/style/values/generics/mod.rs
index b1536bb7f33..39c898efed7 100644
--- a/components/style/values/generics/mod.rs
+++ b/components/style/values/generics/mod.rs
@@ -136,7 +136,7 @@ impl SpecifiedValueInfo for CounterStyle {
         // approach here.
         macro_rules! predefined {
             ($($name:expr,)+) => {
-                f(&["symbols", $($name,)+]);
+                f(&["symbols", $($name,)+])
             }
         }
         include!("../../counter_style/predefined.rs");