diff --git a/components/script/dom/eventtarget.rs b/components/script/dom/eventtarget.rs
index bc78affcc6c..e266306f627 100644
--- a/components/script/dom/eventtarget.rs
+++ b/components/script/dom/eventtarget.rs
@@ -87,14 +87,14 @@ impl EventTarget {
     }
 
     pub fn get_listeners(&self, type_: &str) -> Option<Vec<EventListener>> {
-        self.handlers.borrow().find_equiv(type_).map(|listeners| {
+        self.handlers.borrow().get(type_).map(|listeners| {
             listeners.iter().map(|entry| entry.listener.get_listener()).collect()
         })
     }
 
     pub fn get_listeners_for(&self, type_: &str, desired_phase: ListenerPhase)
         -> Option<Vec<EventListener>> {
-        self.handlers.borrow().find_equiv(type_).map(|listeners| {
+        self.handlers.borrow().get(type_).map(|listeners| {
             let filtered = listeners.iter().filter(|entry| entry.phase == desired_phase);
             filtered.map(|entry| entry.listener.get_listener()).collect()
         })
diff --git a/components/script/dom/formdata.rs b/components/script/dom/formdata.rs
index c75823e53ce..a3751e7a37a 100644
--- a/components/script/dom/formdata.rs
+++ b/components/script/dom/formdata.rs
@@ -81,7 +81,7 @@ impl<'a> FormDataMethods for JSRef<'a, FormData> {
     }
 
     fn Get(self, name: DOMString) -> Option<FileOrString> {
-        if self.data.borrow().contains_key_equiv(&name) {
+        if self.data.borrow().contains_key(&name) {
             match (*self.data.borrow())[name][0].clone() {
                 FormDatum::StringData(ref s) => Some(eString(s.clone())),
                 FormDatum::FileData(ref f) => {
@@ -94,7 +94,7 @@ impl<'a> FormDataMethods for JSRef<'a, FormData> {
     }
 
     fn Has(self, name: DOMString) -> bool {
-        self.data.borrow().contains_key_equiv(&name)
+        self.data.borrow().contains_key(&name)
     }
     #[allow(unrooted_must_root)]
     fn Set(self, name: DOMString, value: JSRef<Blob>, filename: Option<DOMString>) {
diff --git a/components/script/dom/urlsearchparams.rs b/components/script/dom/urlsearchparams.rs
index fdddc7219c7..b2e4d671ed4 100644
--- a/components/script/dom/urlsearchparams.rs
+++ b/components/script/dom/urlsearchparams.rs
@@ -80,11 +80,11 @@ impl<'a> URLSearchParamsMethods for JSRef<'a, URLSearchParams> {
     }
 
     fn Get(self, name: DOMString) -> Option<DOMString> {
-        self.data.borrow().find_equiv(&name).map(|v| v[0].clone())
+        self.data.borrow().get(&name).map(|v| v[0].clone())
     }
 
     fn Has(self, name: DOMString) -> bool {
-        self.data.borrow().contains_key_equiv(&name)
+        self.data.borrow().contains_key(&name)
     }
 
     fn Set(self, name: DOMString, value: DOMString) {