1 files changed, 2 insertions, 2 deletions
diff --git a/components/script/dom/promisenativehandler.rs b/components/script/dom/promisenativehandler.rs
index 4ed9b4b30b4..d87589ccaa8 100644
--- a/components/script/dom/promisenativehandler.rs
+++ b/components/script/dom/promisenativehandler.rs
@@ -8,10 +8,10 @@ use dom::bindings::root::DomRoot;
 use dom::bindings::trace::JSTraceable;
 use dom::globalscope::GlobalScope;
 use dom_struct::dom_struct;
-use heapsize::HeapSizeOf;
 use js::jsapi::{JSContext, HandleValue};
+use malloc_size_of::MallocSizeOf;
 
-pub trait Callback: JSTraceable + HeapSizeOf {
+pub trait Callback: JSTraceable + MallocSizeOf {
     fn callback(&self, cx: *mut JSContext, v: HandleValue);
 }