diff --git a/dom/bindings/Bindings.conf b/dom/bindings/Bindings.conf
index 5abc75390a98..2ee6380a1260 100644
--- a/dom/bindings/Bindings.conf
+++ b/dom/bindings/Bindings.conf
@@ -97,10 +97,6 @@ DOMInterfaces = {
     'concrete': False
 },
 
-'AnimationEvent': {
-    'nativeType': 'mozilla::dom::AnimationEvent',
-},
-
 'ArchiveReader': {
     'nativeType': 'mozilla::dom::file::ArchiveReader',
 },
@@ -140,10 +136,6 @@ DOMInterfaces = {
     'resultNotAddRefed': [ 'inputBuffer', 'outputBuffer' ],
 },
 
-'BeforeUnloadEvent': {
-    'nativeType': 'mozilla::dom::BeforeUnloadEvent',
-},
-
 'BarProp': {
     'headerFile': 'mozilla/dom/BarProps.h',
 },
@@ -233,18 +225,6 @@ DOMInterfaces = {
     'resultNotAddRefed': [ 'item' ]
 },
 
-'ClipboardEvent': {
-    'nativeType': 'mozilla::dom::ClipboardEvent',
-},
-
-'CommandEvent': {
-    'nativeType': 'mozilla::dom::CommandEvent',
-},
-
-'CompositionEvent': {
-    'nativeType': 'mozilla::dom::CompositionEvent',
-},
-
 'Console': {
     'implicitJSContext': [ 'trace', 'time', 'timeEnd' ],
 },
@@ -303,10 +283,6 @@ DOMInterfaces = {
     'nativeType': 'nsDOMDataChannel',
 },
 
-'DataContainerEvent': {
-    'nativeType': 'mozilla::dom::DataContainerEvent',
-},
-
 'DedicatedWorkerGlobalScope': {
     'headerFile': 'mozilla/dom/WorkerScope.h',
     'workers': True,
@@ -1478,10 +1454,6 @@ DOMInterfaces = {
     'headerFile': 'WebSocket.h',
 },
 
-'WheelEvent': {
-    'nativeType': 'mozilla::dom::WheelEvent',
-},
-
 'Window': {
     'nativeType': 'nsGlobalWindow',
     # When turning on Window, remember to drop the "'register': False"