diff --git a/packages/dart/README.md b/packages/dart/README.md
index 9705e8d2a..6152cfcd6 100644
--- a/packages/dart/README.md
+++ b/packages/dart/README.md
@@ -50,7 +50,6 @@ It's possible to add other parameters to work with your instance of Parse Server
   await Parse().initialize(
         keyApplicationId,
         keyParseServerUrl,
-        masterKey: keyParseMasterKey, // Required for Back4App and others
         clientKey: keyParseClientKey, // Required for some setups
         debug: true, // When enabled, prints logs to console
         liveQueryUrl: keyLiveQueryUrl, // Required if using LiveQuery 
diff --git a/packages/dart/lib/parse_server_sdk.dart b/packages/dart/lib/parse_server_sdk.dart
index aa4585b35..11a08b454 100644
--- a/packages/dart/lib/parse_server_sdk.dart
+++ b/packages/dart/lib/parse_server_sdk.dart
@@ -78,7 +78,7 @@ class Parse {
   /// Parse().initialize(
   ///        "PARSE_APP_ID",
   ///        "https://parse.myaddress.com/parse/,
-  ///        masterKey: "asd23rjh234r234r234r",
+  ///        clientKey: "asd23rjh234r234r234r",
   ///        debug: true,
   ///        liveQuery: true);
   /// ```
diff --git a/packages/flutter/README.md b/packages/flutter/README.md
index 8a5931b50..ecf484d89 100644
--- a/packages/flutter/README.md
+++ b/packages/flutter/README.md
@@ -43,7 +43,6 @@ It's possible to add other parameters to work with your instance of Parse Server
   await Parse().initialize(
         keyApplicationId,
         keyParseServerUrl,
-        masterKey: keyParseMasterKey, // Required for Back4App and others
         clientKey: keyParseClientKey, // Required for some setups
         debug: true, // When enabled, prints logs to console
         liveQueryUrl: keyLiveQueryUrl, // Required if using LiveQuery 
diff --git a/packages/flutter/example/lib/domain/constants/application_constants.dart b/packages/flutter/example/lib/domain/constants/application_constants.dart
index 71361018b..7c6999b61 100644
--- a/packages/flutter/example/lib/domain/constants/application_constants.dart
+++ b/packages/flutter/example/lib/domain/constants/application_constants.dart
@@ -1,5 +1,5 @@
 const String keyApplicationName = '';
 const String keyParseApplicationId = '';
-const String keyParseMasterKey = '';
+const String keyParseClientKey = '';
 const String keyParseServerUrl = '';
 const bool keyDebug = true;
diff --git a/packages/flutter/example/lib/main.dart b/packages/flutter/example/lib/main.dart
index 22c7bdae6..003b9d850 100644
--- a/packages/flutter/example/lib/main.dart
+++ b/packages/flutter/example/lib/main.dart
@@ -72,14 +72,14 @@ class _MyAppState extends State<MyApp> {
 
     // Initialize parse
     await Parse().initialize(keyParseApplicationId, keyParseServerUrl,
-        masterKey: keyParseMasterKey,
+        clientKey: keyParseClientKey,
         debug: true,
         coreStore: await CoreStoreSharedPrefsImp.getInstance());
 
     //parse serve with secure store and desktop support
 
     //    Parse().initialize(keyParseApplicationId, keyParseServerUrl,
-    //        masterKey: keyParseMasterKey,
+    //        clientKey: keyParseClientKey,
     //        debug: true,
     //        coreStore: CoreStoreSharedPrefsImp.getInstance());
 
diff --git a/packages/flutter/example/lib/pages/decision_page.dart b/packages/flutter/example/lib/pages/decision_page.dart
index 1cd44c168..33788cfd6 100644
--- a/packages/flutter/example/lib/pages/decision_page.dart
+++ b/packages/flutter/example/lib/pages/decision_page.dart
@@ -62,7 +62,7 @@ class _DecisionPageState extends State<DecisionPage> {
   Future<void> _initParse() async {
     try {
       await Parse().initialize(keyParseApplicationId, keyParseServerUrl,
-          masterKey: keyParseMasterKey, debug: true);
+          clientKey: keyParseClientKey, debug: true);
       final ParseResponse response = await Parse().healthCheck();
       if (response.success) {
         final ParseUser user = await ParseUser.currentUser();
diff --git a/packages/flutter/example/test/data/repository/repository_mock_utils.dart b/packages/flutter/example/test/data/repository/repository_mock_utils.dart
index d1c8bfdb2..ca8594cbc 100644
--- a/packages/flutter/example/test/data/repository/repository_mock_utils.dart
+++ b/packages/flutter/example/test/data/repository/repository_mock_utils.dart
@@ -23,7 +23,7 @@ Future<Database> getDB() async {
 
 Future<void> setupParseInstance() async {
   await Parse().initialize(keyParseApplicationId, keyParseServerUrl,
-      masterKey: keyParseMasterKey, appName: keyApplicationName, debug: true);
+      clientKey: keyParseClientKey, appName: keyApplicationName, debug: true);
 }
 
 DietPlan getDummyDietPlan() {
diff --git a/packages/flutter/lib/parse_server_sdk.dart b/packages/flutter/lib/parse_server_sdk.dart
index 71865a4e4..58117e53d 100644
--- a/packages/flutter/lib/parse_server_sdk.dart
+++ b/packages/flutter/lib/parse_server_sdk.dart
@@ -31,7 +31,7 @@ class Parse extends sdk.Parse
   /// Parse().initialize(
   ///        "PARSE_APP_ID",
   ///        "https://parse.myaddress.com/parse/,
-  ///        masterKey: "asd23rjh234r234r234r",
+  ///        clientKey: "asd23rjh234r234r234r",
   ///        debug: true,
   ///        liveQuery: true);
   /// ```