diff --git a/lib/browser/lists.js b/lib/browser/lists.js
index e0644c7c..af90250e 100644
--- a/lib/browser/lists.js
+++ b/lib/browser/lists.js
@@ -30,6 +30,7 @@ createMethods(List.prototype, objectTypes.LIST, [
     'filtered',
     'sorted',
     'snapshot',
+    'isValid',
 ]);
 
 // Mutating methods:
diff --git a/lib/browser/results.js b/lib/browser/results.js
index 203135a0..887a7dd1 100644
--- a/lib/browser/results.js
+++ b/lib/browser/results.js
@@ -29,6 +29,7 @@ createMethods(Results.prototype, objectTypes.RESULTS, [
     'filtered',
     'sorted',
     'snapshot',
+    'isValid',
 ]);
 
 export function createResults(realmId, info) {
diff --git a/src/ios/RealmJS.xcodeproj/project.pbxproj b/src/ios/RealmJS.xcodeproj/project.pbxproj
index 2c8ab9c9..d5f18c98 100644
--- a/src/ios/RealmJS.xcodeproj/project.pbxproj
+++ b/src/ios/RealmJS.xcodeproj/project.pbxproj
@@ -9,11 +9,6 @@
 /* Begin PBXBuildFile section */
 		02409DC21BCF11D6005F3B3E /* RealmJSCoreTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 02409DC11BCF11D6005F3B3E /* RealmJSCoreTests.m */; };
 		02414B881CE68CA200A8669F /* dates-v5.realm in Resources */ = {isa = PBXBuildFile; fileRef = 02414B871CE68CA200A8669F /* dates-v5.realm */; };
-		02414B981CE6AADD00A8669F /* collection_notifications.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 02414B961CE6AADD00A8669F /* collection_notifications.cpp */; };
-		02414BA11CE6AAEF00A8669F /* collection_change_builder.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 02414B991CE6AAEF00A8669F /* collection_change_builder.cpp */; };
-		02414BA21CE6AAEF00A8669F /* collection_notifier.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 02414B9B1CE6AAEF00A8669F /* collection_notifier.cpp */; };
-		02414BA31CE6AAEF00A8669F /* list_notifier.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 02414B9D1CE6AAEF00A8669F /* list_notifier.cpp */; };
-		02414BA41CE6AAEF00A8669F /* results_notifier.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 02414B9F1CE6AAEF00A8669F /* results_notifier.cpp */; };
 		02414BA51CE6ABCF00A8669F /* collection_change_builder.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 02414B991CE6AAEF00A8669F /* collection_change_builder.cpp */; };
 		02414BA61CE6ABCF00A8669F /* collection_notifier.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 02414B9B1CE6AAEF00A8669F /* collection_notifier.cpp */; };
 		02414BA71CE6ABCF00A8669F /* list_notifier.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 02414B9D1CE6AAEF00A8669F /* list_notifier.cpp */; };
@@ -771,14 +766,9 @@
 				F63FF31E1C1642BB00B3B8E0 /* GCDWebServerRequest.m in Sources */,
 				F63FF3231C1642BB00B3B8E0 /* GCDWebServerURLEncodedFormRequest.m in Sources */,
 				F63FF31C1C1642BB00B3B8E0 /* GCDWebServerConnection.m in Sources */,
-				02414BA21CE6AAEF00A8669F /* collection_notifier.cpp in Sources */,
 				F63FF3201C1642BB00B3B8E0 /* GCDWebServerDataRequest.m in Sources */,
 				F63FF3221C1642BB00B3B8E0 /* GCDWebServerMultiPartFormRequest.m in Sources */,
-				02414BA31CE6AAEF00A8669F /* list_notifier.cpp in Sources */,
 				F63FF3211C1642BB00B3B8E0 /* GCDWebServerFileRequest.m in Sources */,
-				02414BA41CE6AAEF00A8669F /* results_notifier.cpp in Sources */,
-				02414B981CE6AADD00A8669F /* collection_notifications.cpp in Sources */,
-				02414BA11CE6AAEF00A8669F /* collection_change_builder.cpp in Sources */,
 				F63FF31F1C1642BB00B3B8E0 /* GCDWebServerResponse.m in Sources */,
 				F63FF3261C1642BB00B3B8E0 /* GCDWebServerFileResponse.m in Sources */,
 				F63FF3271C1642BB00B3B8E0 /* GCDWebServerStreamedResponse.m in Sources */,