diff --git a/dom/push/PushSubscriptionOptions.cpp b/dom/push/PushSubscriptionOptions.cpp
index 39252e9e87..8f6ce5499e 100644
--- a/dom/push/PushSubscriptionOptions.cpp
+++ b/dom/push/PushSubscriptionOptions.cpp
@@ -6,6 +6,7 @@
 
 #include "mozilla/dom/PushSubscriptionOptionsBinding.h"
 #include "mozilla/HoldDropJSObjects.h"
+#include "PushUtil.h"
 
 namespace mozilla {
 namespace dom {
diff --git a/dom/push/PushUtil.cpp b/dom/push/PushUtil.cpp
index 408b62048d..1aba0e0662 100644
--- a/dom/push/PushUtil.cpp
+++ b/dom/push/PushUtil.cpp
@@ -3,6 +3,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "mozilla/dom/PushUtil.h"
+#include "mozilla/dom/UnionTypes.h" // for OwningArrayBufferViewOrArrayBuffer
 
 namespace mozilla {
 namespace dom {
diff --git a/dom/push/PushUtil.h b/dom/push/PushUtil.h
index 548ae23491..71a7af478a 100644
--- a/dom/push/PushUtil.h
+++ b/dom/push/PushUtil.h
@@ -7,6 +7,7 @@
 
 #include "nsTArray.h"
 
+#include "mozilla/ErrorResult.h"
 #include "mozilla/dom/TypedArray.h"
 
 namespace mozilla {
diff --git a/dom/push/moz.build b/dom/push/moz.build
index d138b270c2..ca72c5f5da 100644
--- a/dom/push/moz.build
+++ b/dom/push/moz.build
@@ -37,7 +37,7 @@ EXPORTS.mozilla.dom += [
     'PushUtil.h',
 ]
 
-UNIFIED_SOURCES += [
+SOURCES += [
     'PushManager.cpp',
     'PushNotifier.cpp',
     'PushSubscription.cpp',