diff --git a/components/style/gecko/selector_impl.rs b/components/style/gecko/selector_impl.rs
index e1dbffbdc19..bcd3a48158d 100644
--- a/components/style/gecko/selector_impl.rs
+++ b/components/style/gecko/selector_impl.rs
@@ -61,7 +61,7 @@ impl PseudoElement {
     }
 
     #[inline]
-    fn from_atom(atom: &WeakAtom, in_ua: bool) -> Option<Self> {
+    fn from_atom(atom: &WeakAtom, _in_ua: bool) -> Option<Self> {
         macro_rules! pseudo_element {
             ($pseudo_str_with_colon:expr, $atom:expr, $is_anon_box:expr) => {{
                 if atom == &*$atom {
diff --git a/components/style/gecko_bindings/mod.rs b/components/style/gecko_bindings/mod.rs
index 38811ed321c..877af7b6ca9 100644
--- a/components/style/gecko_bindings/mod.rs
+++ b/components/style/gecko_bindings/mod.rs
@@ -2,17 +2,24 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#[allow(dead_code, non_camel_case_types)]
+#[allow(dead_code, improper_ctypes, non_camel_case_types)]
 pub mod bindings;
 pub mod ptr;
+
+// FIXME: We allow `improper_ctypes` (for now), because the lint doesn't allow
+// foreign structs to have `PhantomData`. We should remove this once the lint
+// ignores this case.
+
 #[cfg(debug_assertions)]
-#[allow(dead_code, non_camel_case_types, non_snake_case, non_upper_case_globals)]
+#[allow(dead_code, improper_ctypes, non_camel_case_types, non_snake_case, non_upper_case_globals)]
 pub mod structs {
     include!("structs_debug.rs");
 }
+
 #[cfg(not(debug_assertions))]
-#[allow(dead_code, non_camel_case_types, non_snake_case, non_upper_case_globals)]
+#[allow(dead_code, improper_ctypes, non_camel_case_types, non_snake_case, non_upper_case_globals)]
 pub mod structs {
     include!("structs_release.rs");
 }
+
 pub mod sugar;
diff --git a/components/style/gecko_bindings/sugar/ns_t_array.rs b/components/style/gecko_bindings/sugar/ns_t_array.rs
index 901638d1b1f..c7b824a11dc 100644
--- a/components/style/gecko_bindings/sugar/ns_t_array.rs
+++ b/components/style/gecko_bindings/sugar/ns_t_array.rs
@@ -6,7 +6,6 @@ use gecko_bindings::bindings;
 use gecko_bindings::structs::{nsTArray, nsTArrayHeader};
 use std::mem;
 use std::ops::{Deref, DerefMut};
-use std::os::raw::c_void;
 use std::slice;
 
 impl<T> Deref for nsTArray<T> {
diff --git a/components/style/gecko_string_cache/mod.rs b/components/style/gecko_string_cache/mod.rs
index 0bcd58f9bc6..baecd440a0f 100644
--- a/components/style/gecko_string_cache/mod.rs
+++ b/components/style/gecko_string_cache/mod.rs
@@ -22,7 +22,7 @@ use std::ops::Deref;
 use std::slice;
 
 #[macro_use]
-#[allow(improper_ctypes, safe_extern_statics)]
+#[allow(improper_ctypes, non_camel_case_types)]
 pub mod atom_macro;
 #[macro_use]
 pub mod namespace;
diff --git a/components/style/properties/gecko.mako.rs b/components/style/properties/gecko.mako.rs
index f4a507dfb7a..12ea3bc1cf6 100644
--- a/components/style/properties/gecko.mako.rs
+++ b/components/style/properties/gecko.mako.rs
@@ -1118,7 +1118,6 @@ fn static_assert() {
         use gecko_bindings::structs::nsStyleImageLayers_Size_DimensionType;
         use gecko_bindings::structs::{nsStyleCoord_CalcValue, nsStyleImageLayers_Size};
         use properties::longhands::background_size::single_value::computed_value::T;
-        use values::computed::LengthOrPercentageOrAuto;
 
         let mut width = nsStyleCoord_CalcValue::new();
         let mut height = nsStyleCoord_CalcValue::new();
diff --git a/ports/geckolib/glue.rs b/ports/geckolib/glue.rs
index e2304c88ab6..752ce7b61e7 100644
--- a/ports/geckolib/glue.rs
+++ b/ports/geckolib/glue.rs
@@ -21,16 +21,16 @@ use style::gecko::data::{NUM_THREADS, PerDocumentStyleData};
 use style::gecko::selector_impl::{GeckoSelectorImpl, PseudoElement};
 use style::gecko::snapshot::GeckoElementSnapshot;
 use style::gecko::traversal::RecalcStyleOnly;
-use style::gecko::wrapper::{DUMMY_BASE_URL, GeckoDeclarationBlock, GeckoDocument};
+use style::gecko::wrapper::{DUMMY_BASE_URL, GeckoDeclarationBlock};
 use style::gecko::wrapper::{GeckoElement, GeckoNode};
 use style::gecko_bindings::bindings::{RawGeckoElementBorrowed, RawGeckoNodeBorrowed};
 use style::gecko_bindings::bindings::{RawServoStyleSetBorrowed, RawServoStyleSetOwned};
-use style::gecko_bindings::bindings::{RawServoStyleSetBorrowedMut, RawGeckoDocumentBorrowed};
 use style::gecko_bindings::bindings::{RawServoStyleSheetBorrowed, ServoComputedValuesBorrowed};
 use style::gecko_bindings::bindings::{RawServoStyleSheetStrong, ServoComputedValuesStrong};
 use style::gecko_bindings::bindings::{ServoDeclarationBlockBorrowed, ServoDeclarationBlockStrong};
 use style::gecko_bindings::bindings::{ThreadSafePrincipalHolder, ThreadSafeURIHolder};
 use style::gecko_bindings::bindings::{nsHTMLCSSStyleSheet, ServoComputedValuesBorrowedOrNull};
+use style::gecko_bindings::bindings::RawServoStyleSetBorrowedMut;
 use style::gecko_bindings::ptr::{GeckoArcPrincipal, GeckoArcURI};
 use style::gecko_bindings::structs::{SheetParsingMode, nsIAtom};
 use style::gecko_bindings::structs::ServoElementSnapshot;