diff --git a/dom/webidl/HTMLElement.webidl b/dom/webidl/HTMLElement.webidl
index f1a512e653..ee98607388 100644
--- a/dom/webidl/HTMLElement.webidl
+++ b/dom/webidl/HTMLElement.webidl
@@ -93,6 +93,7 @@ interface mixin TouchEventHandlers {
 
 HTMLElement includes GlobalEventHandlers;
 HTMLElement includes DocumentAndElementEventHandlers;
+HTMLElement includes ElementCSSInlineStyle;
 HTMLElement includes TouchEventHandlers;
 HTMLElement includes OnErrorEventHandlerForNodes;
 
diff --git a/dom/webidl/SVGElement.webidl b/dom/webidl/SVGElement.webidl
index d2b3a53ed1..866df8095f 100644
--- a/dom/webidl/SVGElement.webidl
+++ b/dom/webidl/SVGElement.webidl
@@ -16,8 +16,6 @@ interface SVGElement : Element {
   [Constant]
   readonly attribute SVGAnimatedString className;
   [SameObject] readonly attribute DOMStringMap dataset;
-  [PutForwards=cssText, Constant]
-  readonly attribute CSSStyleDeclaration style;
 
   readonly attribute SVGSVGElement? ownerSVGElement;
   readonly attribute SVGElement? viewportElement;
@@ -30,5 +28,6 @@ interface SVGElement : Element {
 
 SVGElement includes GlobalEventHandlers;
 SVGElement includes DocumentAndElementEventHandlers;
+SVGElement includes ElementCSSInlineStyle;
 SVGElement includes TouchEventHandlers;
 SVGElement includes OnErrorEventHandlerForNodes;
diff --git a/dom/webidl/XULElement.webidl b/dom/webidl/XULElement.webidl
index ce2e20df7c..ab2300df53 100644
--- a/dom/webidl/XULElement.webidl
+++ b/dom/webidl/XULElement.webidl
@@ -133,6 +133,7 @@ interface mixin MozFrameLoaderOwner {
 };
 
 XULElement includes GlobalEventHandlers;
+XULElement includes ElementCSSInlineStyle;
 XULElement includes TouchEventHandlers;
 XULElement includes MozFrameLoaderOwner;
 XULElement includes OnErrorEventHandlerForNodes;