diff --git a/src/Zirconium/Core/Plugins/Interfaces/IAuthProvider.cs b/src/Zirconium/Core/Plugins/Interfaces/IAuthProvider.cs
index f8de0e8..13e91e3 100644
--- a/src/Zirconium/Core/Plugins/Interfaces/IAuthProvider.cs
+++ b/src/Zirconium/Core/Plugins/Interfaces/IAuthProvider.cs
@@ -2,7 +2,14 @@ namespace Zirconium.Core.Plugins.Interfaces
 {
     public interface IAuthProvider
     {
+        // Method for checking validity of access token in each message
         bool TestToken(string token, JWTPayload payload);
+
+        // Method for testing password when logging in
+        bool TestPassword(string username, string pass);
+
+        // User registration logic
+        void CreateUser(string username, string pass);
         string GetAuthProviderName();
     }
 }
\ No newline at end of file
diff --git a/src/ZirconiumPlugins/TestMongoDB/Plugin.cs b/src/ZirconiumPlugins/TestMongoDB/Plugin.cs
index 4e252ae..8349a6b 100644
--- a/src/ZirconiumPlugins/TestMongoDB/Plugin.cs
+++ b/src/ZirconiumPlugins/TestMongoDB/Plugin.cs
@@ -32,11 +32,6 @@ namespace TestMongoDB
                 Log.Debug("Nothing found!");
             }
         }
-
-        public void PreInitialize(IPluginManager pluginManager)
-        {
-            
-        }
     }
 
     class TestModel