diff --git a/ports/geckolib/properties.mako.rs b/ports/geckolib/properties.mako.rs
index a9226269242..d1497324474 100644
--- a/ports/geckolib/properties.mako.rs
+++ b/ports/geckolib/properties.mako.rs
@@ -20,7 +20,6 @@ use gecko_bindings::bindings::{Gecko_CopyMozBindingFrom, Gecko_CopyListStyleType
 use gecko_bindings::bindings::{Gecko_SetMozBinding, Gecko_SetListStyleType};
 use gecko_bindings::structs;
 use glue::ArcHelpers;
-use heapsize::HeapSizeOf;
 use std::fmt::{self, Debug};
 use std::mem::{transmute, zeroed};
 use std::sync::Arc;
diff --git a/ports/geckolib/wrapper.rs b/ports/geckolib/wrapper.rs
index ec913823caf..09e6a1501f9 100644
--- a/ports/geckolib/wrapper.rs
+++ b/ports/geckolib/wrapper.rs
@@ -41,6 +41,7 @@ use style::dom::{TDocument, TElement, TNode, TRestyleDamage, UnsafeNode};
 use style::element_state::ElementState;
 #[allow(unused_imports)] // Used in commented-out code.
 use style::error_reporting::StdoutErrorReporter;
+#[allow(unused_imports)] // Used in commented-out code.
 use style::parser::ParserContextExtraData;
 use style::properties::{PropertyDeclaration, PropertyDeclarationBlock};
 #[allow(unused_imports)] // Used in commented-out code.