diff --git a/Core/CppMicroServices/src/service/usServiceListenerHook.cpp b/Core/CppMicroServices/src/service/usServiceListenerHook.cpp
index b9245ddde3..aad095f852 100644
--- a/Core/CppMicroServices/src/service/usServiceListenerHook.cpp
+++ b/Core/CppMicroServices/src/service/usServiceListenerHook.cpp
@@ -1,92 +1,96 @@
 /*=============================================================================
 
   Library: CppMicroServices
 
   Copyright (c) German Cancer Research Center,
     Division of Medical and Biological Informatics
 
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at
 
     http://www.apache.org/licenses/LICENSE-2.0
 
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
 
 =============================================================================*/
 
 #include "usServiceListenerHook.h"
 #include "usServiceListenerHook_p.h"
 
 US_BEGIN_NAMESPACE
 
 ServiceListenerHook::~ServiceListenerHook()
 {
 }
 
 ServiceListenerHook::ListenerInfoData::ListenerInfoData(
     ModuleContext* mc, const ServiceListenerEntry::ServiceListener& l,
     void* data, const std::string& filter)
   : mc(mc)
   , listener(l)
   , data(data)
   , filter(filter)
   , bRemoved(false)
 {
 }
 
+ServiceListenerHook::ListenerInfoData::~ListenerInfoData()
+{
+}
+
 ServiceListenerHook::ListenerInfo::ListenerInfo(ListenerInfoData* data)
   : d(data)
 {
 }
 
 ServiceListenerHook::ListenerInfo::ListenerInfo()
   : d(NULL)
 {
 }
 
 ServiceListenerHook::ListenerInfo::ListenerInfo(const ListenerInfo& other)
   : d(other.d)
 {
 }
 
 ServiceListenerHook::ListenerInfo::~ListenerInfo()
 {
 }
 
 ServiceListenerHook::ListenerInfo& ServiceListenerHook::ListenerInfo::operator=(const ListenerInfo& other)
 {
   d = other.d;
   return *this;
 }
 
 bool ServiceListenerHook::ListenerInfo::IsNull() const
 {
   return !d;
 }
 
 ModuleContext* ServiceListenerHook::ListenerInfo::GetModuleContext() const
 {
   return d->mc;
 }
 
 std::string ServiceListenerHook::ListenerInfo::GetFilter() const
 {
   return d->filter;
 }
 
 bool ServiceListenerHook::ListenerInfo::IsRemoved() const
 {
   return d->bRemoved;
 }
 
 bool ServiceListenerHook::ListenerInfo::operator==(const ListenerInfo& other) const
 {
   return d == other.d;
 }
 
 US_END_NAMESPACE
diff --git a/Core/CppMicroServices/src/service/usServiceListenerHook_p.h b/Core/CppMicroServices/src/service/usServiceListenerHook_p.h
index 704d5d9206..322090519b 100644
--- a/Core/CppMicroServices/src/service/usServiceListenerHook_p.h
+++ b/Core/CppMicroServices/src/service/usServiceListenerHook_p.h
@@ -1,43 +1,45 @@
 /*===================================================================
 
 BlueBerry Platform
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
 #ifndef USSERVICELISTENERHOOK_P_H
 #define USSERVICELISTENERHOOK_P_H
 
 #include <usConfig.h>
 
 #include "usServiceListenerHook.h"
 #include "usServiceListenerEntry_p.h"
 #include "usSharedData.h"
 
 US_BEGIN_NAMESPACE
 
 class ServiceListenerHook::ListenerInfoData : public SharedData
 {
 public:
   ListenerInfoData(ModuleContext* mc, const ServiceListenerEntry::ServiceListener& l,
                    void* data, const std::string& filter);
 
+  virtual ~ListenerInfoData();
+
   ModuleContext* const mc;
   ServiceListenerEntry::ServiceListener listener;
   void* data;
   std::string filter;
   bool bRemoved;
 };
 
 US_END_NAMESPACE
 
 #endif // USSERVICELISTENERHOOK_P_H