diff --git a/components/script/dom/htmlbuttonelement.rs b/components/script/dom/htmlbuttonelement.rs
index f12666e41d2..95b85d0da8d 100644
--- a/components/script/dom/htmlbuttonelement.rs
+++ b/components/script/dom/htmlbuttonelement.rs
@@ -83,7 +83,7 @@ impl HTMLButtonElementMethods for HTMLButtonElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-button-type
-    make_enumerated_getter!(Type, "type", "submit", ("reset") | ("button") | ("menu"));
+    make_enumerated_getter!(Type, "type", "submit", "reset" | "button" | "menu");
 
     // https://html.spec.whatwg.org/multipage/#dom-button-type
     make_setter!(SetType, "type");
@@ -98,13 +98,13 @@ impl HTMLButtonElementMethods for HTMLButtonElement {
     make_enumerated_getter!(FormEnctype,
                             "formenctype",
                             "application/x-www-form-urlencoded",
-                            ("text/plain") | ("multipart/form-data"));
+                            "text/plain" | "multipart/form-data");
 
     // https://html.spec.whatwg.org/multipage/#dom-fs-formenctype
     make_setter!(SetFormEnctype, "formenctype");
 
     // https://html.spec.whatwg.org/multipage/#dom-fs-formmethod
-    make_enumerated_getter!(FormMethod, "formmethod", "get", ("post") | ("dialog"));
+    make_enumerated_getter!(FormMethod, "formmethod", "get", "post" | "dialog");
 
     // https://html.spec.whatwg.org/multipage/#dom-fs-formmethod
     make_setter!(SetFormMethod, "formmethod");
diff --git a/components/script/dom/htmlformelement.rs b/components/script/dom/htmlformelement.rs
index 2bd14caeb67..090aa8553bf 100644
--- a/components/script/dom/htmlformelement.rs
+++ b/components/script/dom/htmlformelement.rs
@@ -104,7 +104,7 @@ impl HTMLFormElementMethods for HTMLFormElement {
     make_setter!(SetAction, "action");
 
     // https://html.spec.whatwg.org/multipage/#dom-form-autocomplete
-    make_enumerated_getter!(Autocomplete, "autocomplete", "on", ("off"));
+    make_enumerated_getter!(Autocomplete, "autocomplete", "on", "off");
 
     // https://html.spec.whatwg.org/multipage/#dom-form-autocomplete
     make_setter!(SetAutocomplete, "autocomplete");
@@ -113,7 +113,7 @@ impl HTMLFormElementMethods for HTMLFormElement {
     make_enumerated_getter!(Enctype,
                             "enctype",
                             "application/x-www-form-urlencoded",
-                            ("text/plain") | ("multipart/form-data"));
+                            "text/plain" | "multipart/form-data");
 
     // https://html.spec.whatwg.org/multipage/#dom-fs-enctype
     make_setter!(SetEnctype, "enctype");
@@ -129,7 +129,7 @@ impl HTMLFormElementMethods for HTMLFormElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-fs-method
-    make_enumerated_getter!(Method, "method", "get", ("post") | ("dialog"));
+    make_enumerated_getter!(Method, "method", "get", "post" | "dialog");
 
     // https://html.spec.whatwg.org/multipage/#dom-fs-method
     make_setter!(SetMethod, "method");
diff --git a/components/script/dom/htmlimageelement.rs b/components/script/dom/htmlimageelement.rs
index daa53917cd5..911f305e9f9 100644
--- a/components/script/dom/htmlimageelement.rs
+++ b/components/script/dom/htmlimageelement.rs
@@ -297,7 +297,7 @@ impl HTMLImageElementMethods for HTMLImageElement {
     make_setter!(SetSrc, "src");
 
     // https://html.spec.whatwg.org/multipage/#dom-img-crossOrigin
-    make_enumerated_getter!(CrossOrigin, "crossorigin", "anonymous", ("use-credentials"));
+    make_enumerated_getter!(CrossOrigin, "crossorigin", "anonymous", "use-credentials");
     // https://html.spec.whatwg.org/multipage/#dom-img-crossOrigin
     make_setter!(SetCrossOrigin, "crossorigin");
 
diff --git a/components/script/dom/htmlinputelement.rs b/components/script/dom/htmlinputelement.rs
index 4294a7952ab..049d765b831 100644
--- a/components/script/dom/htmlinputelement.rs
+++ b/components/script/dom/htmlinputelement.rs
@@ -354,13 +354,13 @@ impl HTMLInputElementMethods for HTMLInputElement {
     make_enumerated_getter!(Type,
                             "type",
                             "text",
-                            ("hidden") | ("search") | ("tel") |
-                            ("url") | ("email") | ("password") |
-                            ("datetime") | ("date") | ("month") |
-                            ("week") | ("time") | ("datetime-local") |
-                            ("number") | ("range") | ("color") |
-                            ("checkbox") | ("radio") | ("file") |
-                            ("submit") | ("image") | ("reset") | ("button"));
+                            "hidden" | "search" | "tel" |
+                            "url" | "email" | "password" |
+                            "datetime" | "date" | "month" |
+                            "week" | "time" | "datetime-local" |
+                            "number" | "range" | "color" |
+                            "checkbox" | "radio" | "file" |
+                            "submit" | "image" | "reset" | "button");
 
     // https://html.spec.whatwg.org/multipage/#dom-input-type
     make_atomic_setter!(SetType, "type");
@@ -453,13 +453,13 @@ impl HTMLInputElementMethods for HTMLInputElement {
     make_enumerated_getter!(FormEnctype,
                             "formenctype",
                             "application/x-www-form-urlencoded",
-                            ("text/plain") | ("multipart/form-data"));
+                            "text/plain" | "multipart/form-data");
 
     // https://html.spec.whatwg.org/multipage/#dom-input-formenctype
     make_setter!(SetFormEnctype, "formenctype");
 
     // https://html.spec.whatwg.org/multipage/#dom-input-formmethod
-    make_enumerated_getter!(FormMethod, "formmethod", "get", ("post") | ("dialog"));
+    make_enumerated_getter!(FormMethod, "formmethod", "get", "post" | "dialog");
 
     // https://html.spec.whatwg.org/multipage/#dom-input-formmethod
     make_setter!(SetFormMethod, "formmethod");
diff --git a/components/script/dom/htmlmediaelement.rs b/components/script/dom/htmlmediaelement.rs
index 826d879ab56..203763d3e15 100644
--- a/components/script/dom/htmlmediaelement.rs
+++ b/components/script/dom/htmlmediaelement.rs
@@ -664,7 +664,7 @@ impl HTMLMediaElementMethods for HTMLMediaElement {
 
     // https://html.spec.whatwg.org/multipage/#attr-media-preload
     // Missing value default is user-agent defined.
-    make_enumerated_getter!(Preload, "preload", "", ("none") | ("metadata") | ("auto"));
+    make_enumerated_getter!(Preload, "preload", "", "none" | "metadata" | "auto");
     // https://html.spec.whatwg.org/multipage/#attr-media-preload
     make_setter!(SetPreload, "preload");
 
diff --git a/components/script/dom/macros.rs b/components/script/dom/macros.rs
index 5935f02cde2..2fa6a87b980 100644
--- a/components/script/dom/macros.rs
+++ b/components/script/dom/macros.rs
@@ -145,7 +145,7 @@ macro_rules! make_string_or_document_url_getter(
 
 #[macro_export]
 macro_rules! make_enumerated_getter(
-    ( $attr:ident, $htmlname:tt, $default:expr, $(($choices: pat))|+) => (
+    ( $attr:ident, $htmlname:tt, $default:expr, $($choices: pat)|+) => (
         fn $attr(&self) -> DOMString {
             use dom::bindings::inheritance::Castable;
             use dom::element::Element;