diff --git a/L2J_Mobius_1.0_Ertheia/dist/game/config/ClassMaster.xml b/L2J_Mobius_1.0_Ertheia/dist/game/config/ClassMaster.xml
index 3ac817613f..6e063a6b03 100644
--- a/L2J_Mobius_1.0_Ertheia/dist/game/config/ClassMaster.xml
+++ b/L2J_Mobius_1.0_Ertheia/dist/game/config/ClassMaster.xml
@@ -1,5 +1,5 @@
 <list xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../data/xsd/classMaster.xsd">
-	<classMaster classChangeEnabled="true" spawnClassMasters="false" showPopupWindow="true">
+	<classMaster classChangeEnabled="false" spawnClassMasters="false" showPopupWindow="false">
 		<classChangeOption name="Free">
 			<appliesTo>
 				<category>FIRST_CLASS_GROUP</category>
diff --git a/L2J_Mobius_2.5_Underground/dist/game/config/ClassMaster.xml b/L2J_Mobius_2.5_Underground/dist/game/config/ClassMaster.xml
index 3ac817613f..6e063a6b03 100644
--- a/L2J_Mobius_2.5_Underground/dist/game/config/ClassMaster.xml
+++ b/L2J_Mobius_2.5_Underground/dist/game/config/ClassMaster.xml
@@ -1,5 +1,5 @@
 <list xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../data/xsd/classMaster.xsd">
-	<classMaster classChangeEnabled="true" spawnClassMasters="false" showPopupWindow="true">
+	<classMaster classChangeEnabled="false" spawnClassMasters="false" showPopupWindow="false">
 		<classChangeOption name="Free">
 			<appliesTo>
 				<category>FIRST_CLASS_GROUP</category>
diff --git a/L2J_Mobius_3.0_Helios/dist/game/config/ClassMaster.xml b/L2J_Mobius_3.0_Helios/dist/game/config/ClassMaster.xml
index 3ac817613f..6e063a6b03 100644
--- a/L2J_Mobius_3.0_Helios/dist/game/config/ClassMaster.xml
+++ b/L2J_Mobius_3.0_Helios/dist/game/config/ClassMaster.xml
@@ -1,5 +1,5 @@
 <list xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../data/xsd/classMaster.xsd">
-	<classMaster classChangeEnabled="true" spawnClassMasters="false" showPopupWindow="true">
+	<classMaster classChangeEnabled="false" spawnClassMasters="false" showPopupWindow="false">
 		<classChangeOption name="Free">
 			<appliesTo>
 				<category>FIRST_CLASS_GROUP</category>