diff --git a/src/applyviewpropsjob.cpp b/src/applyviewpropsjob.cpp
index ad9a22645f..4837ff5388 100644
--- a/src/applyviewpropsjob.cpp
+++ b/src/applyviewpropsjob.cpp
@@ -23,9 +23,6 @@
 #include "applyviewpropsjob.h"
 #include "viewproperties.h"
 
-#include <assert.h>
-#include <kdebug.h>
-
 ApplyViewPropsJob::ApplyViewPropsJob(const KUrl& dir,
                                      const ViewProperties& viewProps) :
     KIO::Job(),
@@ -75,7 +72,7 @@ void ApplyViewPropsJob::slotEntries(KIO::Job*, const KIO::UDSEntryList& list)
             KUrl url(m_dir);
             url.addPath(name);
 
-            assert(m_viewProps != 0);
+            Q_ASSERT(m_viewProps != 0);
 
             ViewProperties props(url);
             props.setDirProperties(*m_viewProps);
diff --git a/src/dolphinpart.cpp b/src/dolphinpart.cpp
index 0f8c724533..b56e7b3a15 100644
--- a/src/dolphinpart.cpp
+++ b/src/dolphinpart.cpp
@@ -29,7 +29,6 @@
 #include <kaboutdata.h>
 #include <kactioncollection.h>
 #include <kconfiggroup.h>
-#include <kdebug.h>
 #include <kdirlister.h>
 #include <kglobalsettings.h>
 #include <kiconloader.h>
diff --git a/src/dolphinviewactionhandler.cpp b/src/dolphinviewactionhandler.cpp
index 420db5404d..b606c33ea3 100644
--- a/src/dolphinviewactionhandler.cpp
+++ b/src/dolphinviewactionhandler.cpp
@@ -26,7 +26,6 @@
 
 #include <kaction.h>
 #include <kactioncollection.h>
-#include <kdebug.h>
 #include <klocale.h>
 #include <ktoggleaction.h>