diff --git a/livesupport/src/modules/authentication/include/LiveSupport/Authentication/AuthenticationClientInterface.h b/livesupport/src/modules/authentication/include/LiveSupport/Authentication/AuthenticationClientInterface.h
index 1c4b0c745..48306f4fe 100644
--- a/livesupport/src/modules/authentication/include/LiveSupport/Authentication/AuthenticationClientInterface.h
+++ b/livesupport/src/modules/authentication/include/LiveSupport/Authentication/AuthenticationClientInterface.h
@@ -202,6 +202,14 @@ class AuthenticationClientInterface
                               const Glib::ustring &         key)
                                                 throw (XmlRpcException)
                                                                         = 0;
+
+        /**
+         *  A virtual destructor, as this class has virtual functions.
+         */
+        virtual
+        ~AuthenticationClientInterface(void)    throw ()
+        {
+        }
 };
 
 
diff --git a/livesupport/src/modules/core/include/LiveSupport/Core/Configurable.h b/livesupport/src/modules/core/include/LiveSupport/Core/Configurable.h
index cde1d01bd..73ff5e11f 100644
--- a/livesupport/src/modules/core/include/LiveSupport/Core/Configurable.h
+++ b/livesupport/src/modules/core/include/LiveSupport/Core/Configurable.h
@@ -83,6 +83,14 @@ class Configurable
                                                 throw (std::invalid_argument,
                                                        std::logic_error)
                                                                         = 0;
+
+        /**
+         *  A virtual destructor, as this class has virtual functions.
+         */
+        virtual
+        ~Configurable(void)                     throw ()
+        {
+        }
 };
 
 
diff --git a/livesupport/src/modules/core/include/LiveSupport/Core/Installable.h b/livesupport/src/modules/core/include/LiveSupport/Core/Installable.h
index 8fdbaaf8b..251411abc 100644
--- a/livesupport/src/modules/core/include/LiveSupport/Core/Installable.h
+++ b/livesupport/src/modules/core/include/LiveSupport/Core/Installable.h
@@ -120,6 +120,14 @@ class Installable
         virtual void
         uninstall(void)                         throw (std::exception)
                                                                         = 0;
+
+        /**
+         *  A virtual destructor, as this class has virtual functions.
+         */
+        virtual
+        ~Installable(void)                      throw ()
+        {
+        }
 };
 
 
diff --git a/livesupport/src/modules/db/include/LiveSupport/Db/ConnectionManagerInterface.h b/livesupport/src/modules/db/include/LiveSupport/Db/ConnectionManagerInterface.h
index ae57bb752..95aefb695 100644
--- a/livesupport/src/modules/db/include/LiveSupport/Db/ConnectionManagerInterface.h
+++ b/livesupport/src/modules/db/include/LiveSupport/Db/ConnectionManagerInterface.h
@@ -91,6 +91,14 @@ class ConnectionManagerInterface
         returnConnection(Ptr<odbc::Connection>::Ref connection)
                                                 throw (std::runtime_error)
                                                                         = 0;
+
+        /**
+         *  A virtual destructor, as this class has virtual functions.
+         */
+        virtual
+        ~ConnectionManagerInterface(void)       throw ()
+        {
+        }
 };
 
 
diff --git a/livesupport/src/modules/schedulerClient/include/LiveSupport/SchedulerClient/SchedulerClientInterface.h b/livesupport/src/modules/schedulerClient/include/LiveSupport/SchedulerClient/SchedulerClientInterface.h
index dd3d1272b..1cf9ec6e8 100644
--- a/livesupport/src/modules/schedulerClient/include/LiveSupport/SchedulerClient/SchedulerClientInterface.h
+++ b/livesupport/src/modules/schedulerClient/include/LiveSupport/SchedulerClient/SchedulerClientInterface.h
@@ -265,6 +265,13 @@ class SchedulerClientInterface
                                                     throw (XmlRpcException)
                                                                         = 0;
 
+        /**
+         *  A virtual destructor, as this class has virtual functions.
+         */
+        virtual
+        ~SchedulerClientInterface(void)             throw ()
+        {
+        }
 };
 
 
diff --git a/livesupport/src/modules/storageClient/include/LiveSupport/Storage/StorageClientInterface.h b/livesupport/src/modules/storageClient/include/LiveSupport/Storage/StorageClientInterface.h
index d9af6e121..31803c697 100644
--- a/livesupport/src/modules/storageClient/include/LiveSupport/Storage/StorageClientInterface.h
+++ b/livesupport/src/modules/storageClient/include/LiveSupport/Storage/StorageClientInterface.h
@@ -448,6 +448,14 @@ class StorageClientInterface
                         const int limit = 0, const int offset = 0)
                                                 throw (XmlRpcException)
                                                                         = 0;
+
+        /**
+         *  A virtual destructor, as this class has virtual functions.
+         */
+        virtual
+        ~StorageClientInterface(void)           throw ()
+        {
+        }
 };
 
 
diff --git a/livesupport/src/products/scheduler/src/PlayLogInterface.h b/livesupport/src/products/scheduler/src/PlayLogInterface.h
index a2bfde95a..37a248cfb 100644
--- a/livesupport/src/products/scheduler/src/PlayLogInterface.h
+++ b/livesupport/src/products/scheduler/src/PlayLogInterface.h
@@ -102,6 +102,14 @@ class PlayLogInterface : virtual public Installable
                           Ptr<const ptime>::Ref  toTime)
                                                 throw (std::invalid_argument)
                                                                          = 0;
+
+        /**
+         *  A virtual destructor, as this class has virtual functions.
+         */
+        virtual
+        ~PlayLogInterface(void)                 throw ()
+        {
+        }
 };
 
 
diff --git a/livesupport/src/products/scheduler/src/ScheduleInterface.h b/livesupport/src/products/scheduler/src/ScheduleInterface.h
index e5961f624..f7e589acb 100644
--- a/livesupport/src/products/scheduler/src/ScheduleInterface.h
+++ b/livesupport/src/products/scheduler/src/ScheduleInterface.h
@@ -190,6 +190,14 @@ class ScheduleInterface : virtual public Installable
                    Ptr<ptime>::Ref      playtime)
                                             throw (std::invalid_argument)
                                                                         = 0;
+
+        /**
+         *  A virtual destructor, as this class has virtual functions.
+         */
+        virtual
+        ~ScheduleInterface(void)            throw ()
+        {
+        }
 };
 
 
diff --git a/livesupport/src/products/scheduler/src/SignalHandler.h b/livesupport/src/products/scheduler/src/SignalHandler.h
index 7a707b308..e9c499967 100644
--- a/livesupport/src/products/scheduler/src/SignalHandler.h
+++ b/livesupport/src/products/scheduler/src/SignalHandler.h
@@ -71,6 +71,14 @@ class SignalHandler
          */
         virtual void
         handleSignal(int signal)                throw ()        = 0;
+
+        /**
+         *  A virtual destructor, as this class has virtual functions.
+         */
+        virtual
+        ~SignalHandler(void)                    throw ()
+        {
+        }
 };
 
 
diff --git a/livesupport/src/products/scheduler/src/XmlRpcDaemonShutdownSignalHandler.h b/livesupport/src/products/scheduler/src/XmlRpcDaemonShutdownSignalHandler.h
index bac66864c..66179eeb5 100644
--- a/livesupport/src/products/scheduler/src/XmlRpcDaemonShutdownSignalHandler.h
+++ b/livesupport/src/products/scheduler/src/XmlRpcDaemonShutdownSignalHandler.h
@@ -91,10 +91,18 @@ class XmlRpcDaemonShutdownSignalHandler : public SignalHandler
          *  @param signal the actual signal received.
          */
         virtual void
-        handleSignal(int signal)                throw ()
+        handleSignal(int signal)                        throw ()
         {
             xmlRpcDaemon->shutdown();
         }
+
+        /**
+         *  A virtual destructor, as this class has virtual functions.
+         */
+        virtual
+        ~XmlRpcDaemonShutdownSignalHandler(void)        throw ()
+        {
+        }
 };