diff --git a/mailtransport/outboxactions.cpp b/mailtransport/outboxactions.cpp
index 0dbff9142..35c6e9524 100644
--- a/mailtransport/outboxactions.cpp
+++ b/mailtransport/outboxactions.cpp
@@ -1,76 +1,104 @@
 /*
     Copyright (c) 2009 Constantin Berzan <exit3219@gmail.com>
 
     This library is free software; you can redistribute it and/or modify it
     under the terms of the GNU Library General Public License as published by
     the Free Software Foundation; either version 2 of the License, or (at your
     option) any later version.
 
     This library is distributed in the hope that it will be useful, but WITHOUT
     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
     License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to the
     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
     02110-1301, USA.
 */
 
 #include "outboxactions.h"
 
 #include "dispatchmodeattribute.h"
 #include "errorattribute.h"
 
 #include <akonadi/itemmodifyjob.h>
 
 using namespace Akonadi;
 using namespace MailTransport;
 
+class MailTransport::SendQueuedAction::Private
+{
+};
+
+SendQueuedAction::SendQueuedAction()
+  : d( new Private )
+{
+}
+
+SendQueuedAction::~SendQueuedAction()
+{
+  delete d;
+}
+
 ItemFetchScope SendQueuedAction::fetchScope() const
 {
   ItemFetchScope scope;
   scope.fetchFullPayload( false );
   scope.fetchAttribute<DispatchModeAttribute>();
   return scope;
 }
 
 bool SendQueuedAction::itemAccepted( const Item &item ) const
 {
   if( !item.hasAttribute<DispatchModeAttribute>() ) {
     kWarning() << "Item doesn't have DispatchModeAttribute.";
     return false;
   }
 
   return item.attribute<DispatchModeAttribute>()->dispatchMode() == DispatchModeAttribute::Never;
 }
 
 Job *SendQueuedAction::itemAction( const Item &item ) const
 {
   Item cp = item;
   cp.addAttribute( new DispatchModeAttribute ); // defaults to Immediately
   return new ItemModifyJob( cp );
 }
 
+class MailTransport::ClearErrorAction::Private
+{
+};
+
+ClearErrorAction::ClearErrorAction()
+  : d( new Private )
+{
+}
+
+ClearErrorAction::~ClearErrorAction()
+{
+  delete d;
+}
+
 ItemFetchScope ClearErrorAction::fetchScope() const
 {
   ItemFetchScope scope;
   scope.fetchFullPayload( false );
   scope.fetchAttribute<ErrorAttribute>();
   return scope;
 }
 
 bool ClearErrorAction::itemAccepted( const Item &item ) const
 {
   return item.hasAttribute<ErrorAttribute>();
 }
 
 Job *ClearErrorAction::itemAction( const Item &item ) const
 {
   Item cp = item;
   cp.removeAttribute<ErrorAttribute>();
   cp.clearFlag( "error" );
   cp.setFlag( "queued" );
   return new ItemModifyJob( cp );
 }
 
diff --git a/mailtransport/outboxactions.h b/mailtransport/outboxactions.h
index ba6bd0f2c..ea574d158 100644
--- a/mailtransport/outboxactions.h
+++ b/mailtransport/outboxactions.h
@@ -1,73 +1,101 @@
 /*
     Copyright (c) 2009 Constantin Berzan <exit3219@gmail.com>
 
     This library is free software; you can redistribute it and/or modify it
     under the terms of the GNU Library General Public License as published by
     the Free Software Foundation; either version 2 of the License, or (at your
     option) any later version.
 
     This library is distributed in the hope that it will be useful, but WITHOUT
     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
     License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to the
     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
     02110-1301, USA.
 */
 
 #ifndef MAILTRANSPORT_OUTBOXACTIONS_H
 #define MAILTRANSPORT_OUTBOXACTIONS_H
 
 #include <mailtransport/mailtransport_export.h>
 
 #include <akonadi/itemfetchscope.h>
 #include <akonadi/job.h>
 #include <akonadi/filteractionjob.h>
 
 namespace MailTransport {
 
 /**
   FilterAction that finds all messages with a DispatchMode of Never
   and assigns them a DispatchMode of Immediately.
 
   This is used to send "queued" messages on demand.
 
   @see FilterActionJob
 
   @author Constantin Berzan <exit3219@gmail.com>
   @since 4.4
 */
 class MAILTRANSPORT_EXPORT SendQueuedAction : public Akonadi::FilterAction
 {
   public:
+    /** Creates a SendQueuedAction. */
+    SendQueuedAction();
+
+    /** Destroys this object. */
+    virtual ~SendQueuedAction();
+
     /* reimpl */
     virtual Akonadi::ItemFetchScope fetchScope() const;
+
+    /* reimpl */
     virtual bool itemAccepted( const Akonadi::Item &item ) const;
+
+    /* reimpl */
     virtual Akonadi::Job *itemAction( const Akonadi::Item &item ) const;
+
+  private:
+    class Private;
+    Private *const d;
 };
 
 /**
   FilterAction that finds all messages with an ErrorAttribute,
   removes the attribute, and sets the "queued" flag.
 
   This is used to retry sending messages that failed.
 
   @see FilterActionJob
 
   @author Constantin Berzan <exit3219@gmail.com>
   @since 4.4
 */
 class MAILTRANSPORT_EXPORT ClearErrorAction : public Akonadi::FilterAction
 {
   public:
+    /** Creates a ClearErrorAction. */
+    ClearErrorAction();
+
+    /** Destroys this object. */
+    virtual ~ClearErrorAction();
+
     /* reimpl */
     virtual Akonadi::ItemFetchScope fetchScope() const;
+
+    /* reimpl */
     virtual bool itemAccepted( const Akonadi::Item &item ) const;
+
+    /* reimpl */
     virtual Akonadi::Job *itemAction( const Akonadi::Item &item ) const;
+
+  private:
+    class Private;
+    Private *const d;
 };
 
 } // namespace MailTransport
 
 #endif // MAILTRANSPORT_OUTBOXACTIONS_H