diff --git a/scm-webapp/src/main/java/sonia/scm/BindingExtensionProcessor.java b/scm-webapp/src/main/java/sonia/scm/BindingExtensionProcessor.java
index 4aec99346c..d7c0fc5ba2 100644
--- a/scm-webapp/src/main/java/sonia/scm/BindingExtensionProcessor.java
+++ b/scm-webapp/src/main/java/sonia/scm/BindingExtensionProcessor.java
@@ -109,6 +109,16 @@ public class BindingExtensionProcessor implements ExtensionProcessor
     Multibinder<ChangesetPreProcessorFactory> changesetPreProcessorFactoryBinder =
       Multibinder.newSetBinder(binder, ChangesetPreProcessorFactory.class);
 
+    // listeners
+    Multibinder<RepositoryListener> repositoryListenerBinder =
+      Multibinder.newSetBinder(binder, RepositoryListener.class);
+    Multibinder<UserListener> userListenerBinder =
+      Multibinder.newSetBinder(binder, UserListener.class);
+    Multibinder<GroupListener> groupListenerBinder =
+      Multibinder.newSetBinder(binder, GroupListener.class);
+    Multibinder<AuthenticationListener> authenticationListenerBinder =
+      Multibinder.newSetBinder(binder, AuthenticationListener.class);
+
     authenticators.addBinding().to(XmlAuthenticationHandler.class);
 
     for (Class extensionClass : extensions)
@@ -147,9 +157,8 @@ public class BindingExtensionProcessor implements ExtensionProcessor
             logger.info("bind GroupListener {}", extensionClass.getName());
           }
 
-          GroupListener listener = (GroupListener) extensionClass.newInstance();
-
-          groupListeners.add(listener);
+          binder.bind(extensionClass);
+          groupListenerBinder.addBinding().to(extensionClass);
         }
         else if (UserListener.class.isAssignableFrom(extensionClass))
         {
@@ -158,9 +167,8 @@ public class BindingExtensionProcessor implements ExtensionProcessor
             logger.info("bind UserListener {}", extensionClass.getName());
           }
 
-          UserListener listener = (UserListener) extensionClass.newInstance();
-
-          userListeners.add(listener);
+          binder.bind(extensionClass);
+          userListenerBinder.addBinding().to(extensionClass);
         }
         else if (RepositoryListener.class.isAssignableFrom(extensionClass))
         {
@@ -169,10 +177,8 @@ public class BindingExtensionProcessor implements ExtensionProcessor
             logger.info("bind RepositoryListener {}", extensionClass.getName());
           }
 
-          RepositoryListener listener =
-            (RepositoryListener) extensionClass.newInstance();
-
-          repositoryListeners.add(listener);
+          binder.bind(extensionClass);
+          repositoryListenerBinder.addBinding().to(extensionClass);
         }
         else if (AuthenticationListener.class.isAssignableFrom(extensionClass))
         {
@@ -182,10 +188,8 @@ public class BindingExtensionProcessor implements ExtensionProcessor
                         extensionClass.getName());
           }
 
-          AuthenticationListener listener =
-            (AuthenticationListener) extensionClass.newInstance();
-
-          authenticationListeners.add(listener);
+          binder.bind(extensionClass);
+          authenticationListenerBinder.addBinding().to(extensionClass);
         }
         else if (ResourceHandler.class.isAssignableFrom(extensionClass))
         {
@@ -285,17 +289,6 @@ public class BindingExtensionProcessor implements ExtensionProcessor
 
   //~--- get methods ----------------------------------------------------------
 
-  /**
-   * Method description
-   *
-   *
-   * @return
-   */
-  public Set<AuthenticationListener> getAuthenticationListeners()
-  {
-    return authenticationListeners;
-  }
-
   /**
    * Method description
    *
@@ -307,17 +300,6 @@ public class BindingExtensionProcessor implements ExtensionProcessor
     return fileSystemClass;
   }
 
-  /**
-   * Method description
-   *
-   *
-   * @return
-   */
-  public Set<GroupListener> getGroupListeners()
-  {
-    return groupListeners;
-  }
-
   /**
    * Method description
    *
@@ -340,28 +322,6 @@ public class BindingExtensionProcessor implements ExtensionProcessor
     return moduleSet;
   }
 
-  /**
-   * Method description
-   *
-   *
-   * @return
-   */
-  public Set<RepositoryListener> getRepositoryListeners()
-  {
-    return repositoryListeners;
-  }
-
-  /**
-   * Method description
-   *
-   *
-   * @return
-   */
-  public Set<UserListener> getUserListeners()
-  {
-    return userListeners;
-  }
-
   //~--- methods --------------------------------------------------------------
 
   /**
@@ -420,18 +380,4 @@ public class BindingExtensionProcessor implements ExtensionProcessor
 
   /** Field description */
   private Set<Module> moduleSet;
-
-  /** Field description */
-  private Set<RepositoryListener> repositoryListeners =
-    new HashSet<RepositoryListener>();
-
-  /** Field description */
-  private Set<AuthenticationListener> authenticationListeners =
-    new HashSet<AuthenticationListener>();
-
-  /** Field description */
-  private Set<UserListener> userListeners = new HashSet<UserListener>();
-
-  /** Field description */
-  private Set<GroupListener> groupListeners = new HashSet<GroupListener>();
 }
diff --git a/scm-webapp/src/main/java/sonia/scm/ScmContextListener.java b/scm-webapp/src/main/java/sonia/scm/ScmContextListener.java
index b0c0f02f6a..7f6050becb 100644
--- a/scm-webapp/src/main/java/sonia/scm/ScmContextListener.java
+++ b/scm-webapp/src/main/java/sonia/scm/ScmContextListener.java
@@ -151,20 +151,17 @@ public class ScmContextListener extends GuiceServletContextListener
     RepositoryManager repositoryManager =
       injector.getInstance(RepositoryManager.class);
 
-    repositoryManager.addListeners(bindExtProcessor.getRepositoryListeners());
     repositoryManager.addHooks(bindExtProcessor.getHooks());
     repositoryManager.init(context);
 
     // init UserManager
     UserManager userManager = injector.getInstance(UserManager.class);
 
-    userManager.addListeners(bindExtProcessor.getUserListeners());
     userManager.init(context);
 
     // init GroupManager
     GroupManager groupManager = injector.getInstance(GroupManager.class);
 
-    groupManager.addListeners(bindExtProcessor.getGroupListeners());
     groupManager.init(context);
 
     // init Authenticator
@@ -172,8 +169,6 @@ public class ScmContextListener extends GuiceServletContextListener
       injector.getInstance(AuthenticationManager.class);
 
     authenticationManager.init(context);
-    authenticationManager.addListeners(
-        bindExtProcessor.getAuthenticationListeners());
 
     return injector;
   }
diff --git a/scm-webapp/src/main/java/sonia/scm/group/xml/XmlGroupManager.java b/scm-webapp/src/main/java/sonia/scm/group/xml/XmlGroupManager.java
index 805095c598..7550953461 100644
--- a/scm-webapp/src/main/java/sonia/scm/group/xml/XmlGroupManager.java
+++ b/scm-webapp/src/main/java/sonia/scm/group/xml/XmlGroupManager.java
@@ -49,6 +49,7 @@ import sonia.scm.group.AbstractGroupManager;
 import sonia.scm.group.Group;
 import sonia.scm.group.GroupAllreadyExistExeption;
 import sonia.scm.group.GroupException;
+import sonia.scm.group.GroupListener;
 import sonia.scm.search.SearchRequest;
 import sonia.scm.search.SearchUtil;
 import sonia.scm.security.SecurityContext;
@@ -68,6 +69,7 @@ import java.util.Collections;
 import java.util.Comparator;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.Set;
 
 /**
  *
@@ -95,13 +97,16 @@ public class XmlGroupManager extends AbstractGroupManager
    *
    * @param securityContextProvider
    * @param storeFactory
+   * @param groupListenerProvider
    */
   @Inject
   public XmlGroupManager(Provider<SecurityContext> securityContextProvider,
-                         StoreFactory storeFactory)
+                         StoreFactory storeFactory,
+                         Provider<Set<GroupListener>> groupListenerProvider)
   {
     this.securityContextProvider = securityContextProvider;
     this.store = storeFactory.getStore(XmlGroupDatabase.class, STORE_NAME);
+    this.groupListenerProvider = groupListenerProvider;
   }
 
   //~--- methods --------------------------------------------------------------
@@ -215,6 +220,13 @@ public class XmlGroupManager extends AbstractGroupManager
     {
       groupDB = new XmlGroupDatabase();
     }
+
+    Set<GroupListener> listeners = groupListenerProvider.get();
+
+    if (Util.isNotEmpty(listeners))
+    {
+      addListeners(listeners);
+    }
   }
 
   /**
@@ -482,6 +494,9 @@ public class XmlGroupManager extends AbstractGroupManager
   /** Field description */
   private XmlGroupDatabase groupDB;
 
+  /** Field description */
+  private Provider<Set<GroupListener>> groupListenerProvider;
+
   /** Field description */
   private Provider<SecurityContext> securityContextProvider;
 
diff --git a/scm-webapp/src/main/java/sonia/scm/repository/xml/XmlRepositoryManager.java b/scm-webapp/src/main/java/sonia/scm/repository/xml/XmlRepositoryManager.java
index 6a4bd1416c..859e77ae63 100644
--- a/scm-webapp/src/main/java/sonia/scm/repository/xml/XmlRepositoryManager.java
+++ b/scm-webapp/src/main/java/sonia/scm/repository/xml/XmlRepositoryManager.java
@@ -58,6 +58,7 @@ import sonia.scm.repository.RepositoryHandler;
 import sonia.scm.repository.RepositoryHandlerNotFoundException;
 import sonia.scm.repository.RepositoryHook;
 import sonia.scm.repository.RepositoryHookEvent;
+import sonia.scm.repository.RepositoryListener;
 import sonia.scm.repository.RepositoryNotFoundException;
 import sonia.scm.security.ScmSecurityException;
 import sonia.scm.store.Store;
@@ -111,15 +112,18 @@ public class XmlRepositoryManager extends AbstractRepositoryManager
    * @param securityContextProvider
    * @param storeFactory
    * @param handlerSet
+   * @param repositoryListenersProvider
    */
   @Inject
   public XmlRepositoryManager(
           SCMContextProvider contextProvider,
           Provider<WebSecurityContext> securityContextProvider,
-          StoreFactory storeFactory, Set<RepositoryHandler> handlerSet)
+          StoreFactory storeFactory, Set<RepositoryHandler> handlerSet,
+          Provider<Set<RepositoryListener>> repositoryListenersProvider)
   {
     this.securityContextProvider = securityContextProvider;
     this.store = storeFactory.getStore(XmlRepositoryDatabase.class, STORE_NAME);
+    this.repositoryListenersProvider = repositoryListenersProvider;
     handlerMap = new HashMap<String, RepositoryHandler>();
     types = new HashSet<Type>();
 
@@ -288,6 +292,13 @@ public class XmlRepositoryManager extends AbstractRepositoryManager
     {
       repositoryDB = new XmlRepositoryDatabase();
     }
+
+    Set<RepositoryListener> listeners = repositoryListenersProvider.get();
+
+    if (Util.isNotEmpty(listeners))
+    {
+      addListeners(listeners);
+    }
   }
 
   /**
@@ -764,6 +775,9 @@ public class XmlRepositoryManager extends AbstractRepositoryManager
   /** Field description */
   private XmlRepositoryDatabase repositoryDB;
 
+  /** Field description */
+  private Provider<Set<RepositoryListener>> repositoryListenersProvider;
+
   /** Field description */
   private Provider<WebSecurityContext> securityContextProvider;
 
diff --git a/scm-webapp/src/main/java/sonia/scm/user/xml/XmlUserManager.java b/scm-webapp/src/main/java/sonia/scm/user/xml/XmlUserManager.java
index 8531dbde6b..f5d15cae62 100644
--- a/scm-webapp/src/main/java/sonia/scm/user/xml/XmlUserManager.java
+++ b/scm-webapp/src/main/java/sonia/scm/user/xml/XmlUserManager.java
@@ -54,6 +54,7 @@ import sonia.scm.user.AbstractUserManager;
 import sonia.scm.user.User;
 import sonia.scm.user.UserAllreadyExistException;
 import sonia.scm.user.UserException;
+import sonia.scm.user.UserListener;
 import sonia.scm.util.AssertUtil;
 import sonia.scm.util.CollectionAppender;
 import sonia.scm.util.IOUtil;
@@ -71,6 +72,7 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
+import java.util.Set;
 
 import javax.xml.bind.JAXBContext;
 import javax.xml.bind.JAXBException;
@@ -109,13 +111,16 @@ public class XmlUserManager extends AbstractUserManager
    *
    * @param scurityContextProvider
    * @param storeFactory
+   * @param userListenerProvider
    */
   @Inject
   public XmlUserManager(Provider<WebSecurityContext> scurityContextProvider,
-                        StoreFactory storeFactory)
+                        StoreFactory storeFactory,
+                        Provider<Set<UserListener>> userListenerProvider)
   {
     this.scurityContextProvider = scurityContextProvider;
     this.store = storeFactory.getStore(XmlUserDatabase.class, STORE_NAME);
+    this.userListenerProvider = userListenerProvider;
   }
 
   //~--- methods --------------------------------------------------------------
@@ -248,6 +253,13 @@ public class XmlUserManager extends AbstractUserManager
       userDB = new XmlUserDatabase();
       createDefaultAccounts();
     }
+
+    Set<UserListener> listeners = userListenerProvider.get();
+
+    if (Util.isNotEmpty(listeners))
+    {
+      addListeners(listeners);
+    }
   }
 
   /**
@@ -551,4 +563,7 @@ public class XmlUserManager extends AbstractUserManager
 
   /** Field description */
   private XmlUserDatabase userDB;
+
+  /** Field description */
+  private Provider<Set<UserListener>> userListenerProvider;
 }
diff --git a/scm-webapp/src/main/java/sonia/scm/web/security/ChainAuthenticatonManager.java b/scm-webapp/src/main/java/sonia/scm/web/security/ChainAuthenticatonManager.java
index b273b93d5e..bdfdddf93c 100644
--- a/scm-webapp/src/main/java/sonia/scm/web/security/ChainAuthenticatonManager.java
+++ b/scm-webapp/src/main/java/sonia/scm/web/security/ChainAuthenticatonManager.java
@@ -36,6 +36,7 @@ package sonia.scm.web.security;
 //~--- non-JDK imports --------------------------------------------------------
 
 import com.google.inject.Inject;
+import com.google.inject.Provider;
 import com.google.inject.Singleton;
 
 import org.slf4j.Logger;
@@ -48,6 +49,7 @@ import sonia.scm.security.EncryptionHandler;
 import sonia.scm.user.User;
 import sonia.scm.util.AssertUtil;
 import sonia.scm.util.IOUtil;
+import sonia.scm.util.Util;
 
 //~--- JDK imports ------------------------------------------------------------
 
@@ -82,19 +84,24 @@ public class ChainAuthenticatonManager extends AbstractAuthenticationManager
    * @param authenticationHandlerSet
    * @param encryptionHandler
    * @param cacheManager
+   * @param authenticationListenerProvider
    */
   @Inject
   public ChainAuthenticatonManager(
           Set<AuthenticationHandler> authenticationHandlerSet,
-          EncryptionHandler encryptionHandler, CacheManager cacheManager)
+          EncryptionHandler encryptionHandler, CacheManager cacheManager,
+          Provider<Set<AuthenticationListener>> authenticationListenerProvider)
   {
     AssertUtil.assertIsNotEmpty(authenticationHandlerSet);
     AssertUtil.assertIsNotNull(cacheManager);
     this.authenticationHandlerSet = authenticationHandlerSet;
     this.encryptionHandler = encryptionHandler;
+    this.authenticationListenerProvider = authenticationListenerProvider;
     this.cache = cacheManager.getCache(String.class,
                                        AuthenticationCacheValue.class,
                                        CACHE_NAME);
+
+    // addListeners(authenticationListeners);
   }
 
   //~--- methods --------------------------------------------------------------
@@ -166,6 +173,14 @@ public class ChainAuthenticatonManager extends AbstractAuthenticationManager
     {
       authenticator.init(context);
     }
+
+    Set<AuthenticationListener> listeners =
+      authenticationListenerProvider.get();
+
+    if (Util.isNotEmpty(listeners))
+    {
+      addListeners(listeners);
+    }
   }
 
   /**
@@ -297,6 +312,9 @@ public class ChainAuthenticatonManager extends AbstractAuthenticationManager
   /** Field description */
   private Set<AuthenticationHandler> authenticationHandlerSet;
 
+  /** Field description */
+  private Provider<Set<AuthenticationListener>> authenticationListenerProvider;
+
   /** Field description */
   private Cache<String, AuthenticationCacheValue> cache;
 
diff --git a/scm-webapp/src/test/java/sonia/scm/repository/XmlRepositoryManagerTest.java b/scm-webapp/src/test/java/sonia/scm/repository/XmlRepositoryManagerTest.java
index 16ad325518..65e5f57aac 100644
--- a/scm-webapp/src/test/java/sonia/scm/repository/XmlRepositoryManagerTest.java
+++ b/scm-webapp/src/test/java/sonia/scm/repository/XmlRepositoryManagerTest.java
@@ -35,12 +35,16 @@ package sonia.scm.repository;
 
 //~--- non-JDK imports --------------------------------------------------------
 
+import com.google.inject.Provider;
+
 import sonia.scm.Manager;
 import sonia.scm.repository.xml.XmlRepositoryManager;
 import sonia.scm.store.JAXBStoreFactory;
 import sonia.scm.store.StoreFactory;
 import sonia.scm.util.MockUtil;
 
+import static org.mockito.Mockito.*;
+
 //~--- JDK imports ------------------------------------------------------------
 
 import java.util.HashSet;
@@ -68,8 +72,12 @@ public class XmlRepositoryManagerTest extends RepositoryManagerTestBase
     factory.init(contextProvider);
     handlerSet.add(new DummyRepositoryHandler(factory));
 
+    Provider<Set<RepositoryListener>> listenerProvider = mock(Provider.class);
+
+    when(listenerProvider.get()).thenReturn(new HashSet<RepositoryListener>());
+
     return new XmlRepositoryManager(contextProvider,
                                     MockUtil.getAdminSecurityContextProvider(),
-                                    factory, handlerSet);
+                                    factory, handlerSet, listenerProvider);
   }
 }
diff --git a/scm-webapp/src/test/java/sonia/scm/user/XmlUserManagerTest.java b/scm-webapp/src/test/java/sonia/scm/user/XmlUserManagerTest.java
index 9873ab947b..301bb3bd6f 100644
--- a/scm-webapp/src/test/java/sonia/scm/user/XmlUserManagerTest.java
+++ b/scm-webapp/src/test/java/sonia/scm/user/XmlUserManagerTest.java
@@ -35,10 +35,19 @@ package sonia.scm.user;
 
 //~--- non-JDK imports --------------------------------------------------------
 
-import sonia.scm.util.MockUtil;
+import com.google.inject.Provider;
+
 import sonia.scm.store.JAXBStoreFactory;
 import sonia.scm.store.StoreFactory;
 import sonia.scm.user.xml.XmlUserManager;
+import sonia.scm.util.MockUtil;
+
+import static org.mockito.Mockito.*;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.util.HashSet;
+import java.util.Set;
 
 /**
  *
@@ -60,7 +69,11 @@ public class XmlUserManagerTest extends UserManagerTestBase
 
     factory.init(contextProvider);
 
+    Provider<Set<UserListener>> listenerProvider = mock(Provider.class);
+
+    when(listenerProvider.get()).thenReturn(new HashSet<UserListener>());
+
     return new XmlUserManager(MockUtil.getAdminSecurityContextProvider(),
-                              factory);
+                              factory, listenerProvider);
   }
 }
diff --git a/scm-webapp/src/test/java/sonia/scm/web/security/ChainAuthenticationManagerTest.java b/scm-webapp/src/test/java/sonia/scm/web/security/ChainAuthenticationManagerTest.java
index d1b00e739c..0db93edd45 100644
--- a/scm-webapp/src/test/java/sonia/scm/web/security/ChainAuthenticationManagerTest.java
+++ b/scm-webapp/src/test/java/sonia/scm/web/security/ChainAuthenticationManagerTest.java
@@ -35,6 +35,8 @@ package sonia.scm.web.security;
 
 //~--- non-JDK imports --------------------------------------------------------
 
+import com.google.inject.Provider;
+
 import org.junit.Test;
 
 import sonia.scm.AbstractTestBase;
@@ -48,6 +50,8 @@ import sonia.scm.util.MockUtil;
 
 import static org.junit.Assert.*;
 
+import static org.mockito.Mockito.*;
+
 //~--- JDK imports ------------------------------------------------------------
 
 import java.io.IOException;
@@ -130,8 +134,15 @@ public class ChainAuthenticationManagerTest extends AbstractTestBase
     trillian.setPassword("trillian123");
     handlerSet.add(new SingleUserAuthenticaionHandler("trilliansType",
             trillian));
+
+    Provider<Set<AuthenticationListener>> listenerProvider =
+      mock(Provider.class);
+
+    when(listenerProvider.get()).thenReturn(
+        new HashSet<AuthenticationListener>());
     manager = new ChainAuthenticatonManager(handlerSet,
-            new MessageDigestEncryptionHandler(), cacheManager);
+            new MessageDigestEncryptionHandler(), cacheManager,
+            listenerProvider);
     manager.init(contextProvider);
     request = MockUtil.getHttpServletRequest();
     response = MockUtil.getHttpServletResponse();
diff --git a/scm-webapp/src/test/java/sonia/scm/web/security/XmlAuthenticationHandlerTest.java b/scm-webapp/src/test/java/sonia/scm/web/security/XmlAuthenticationHandlerTest.java
index c77f2cb74c..e952958d72 100644
--- a/scm-webapp/src/test/java/sonia/scm/web/security/XmlAuthenticationHandlerTest.java
+++ b/scm-webapp/src/test/java/sonia/scm/web/security/XmlAuthenticationHandlerTest.java
@@ -35,6 +35,8 @@ package sonia.scm.web.security;
 
 //~--- non-JDK imports --------------------------------------------------------
 
+import com.google.inject.Provider;
+
 import org.junit.Test;
 
 import sonia.scm.AbstractTestBase;
@@ -43,14 +45,20 @@ import sonia.scm.security.MessageDigestEncryptionHandler;
 import sonia.scm.store.JAXBStoreFactory;
 import sonia.scm.store.StoreFactory;
 import sonia.scm.user.User;
+import sonia.scm.user.UserListener;
 import sonia.scm.user.UserTestData;
 import sonia.scm.user.xml.XmlUserManager;
 import sonia.scm.util.MockUtil;
 
 import static org.junit.Assert.*;
 
+import static org.mockito.Mockito.*;
+
 //~--- JDK imports ------------------------------------------------------------
 
+import java.util.HashSet;
+import java.util.Set;
+
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
@@ -127,9 +135,13 @@ public class XmlAuthenticationHandlerTest extends AbstractTestBase
 
     storeFactory.init(contextProvider);
 
+    Provider<Set<UserListener>> listenerProvider = mock(Provider.class);
+
+    when(listenerProvider.get()).thenReturn(new HashSet<UserListener>());
+
     XmlUserManager userManager =
       new XmlUserManager(MockUtil.getAdminSecurityContextProvider(),
-                         storeFactory);
+                         storeFactory, listenerProvider);
 
     userManager.init(contextProvider);
     userManager.create(slarti);