diff --git a/kfind/kfarch.cpp b/kfind/kfarch.cpp
index 01a72f96b5..12ba5240fd 100644
--- a/kfind/kfarch.cpp
+++ b/kfind/kfarch.cpp
@@ -8,6 +8,7 @@
 #include <string.h>
 
 #include "kfarch.h"
+#include <kconfig.h>
 
 QList<KfArchiver> *archivers;        
 
diff --git a/kfind/kfarch.h b/kfind/kfarch.h
index 1e1233f89b..d39a2d3496 100644
--- a/kfind/kfarch.h
+++ b/kfind/kfarch.h
@@ -4,8 +4,8 @@
  *
  **********************************************************************/
 
-class QString;
-class QStrList;
+#include <qstring.h>
+#include <qstrlist.h>
 
 class KfArchiver
 {
diff --git a/kfind/kfsave.cpp b/kfind/kfsave.cpp
index 57b4b11c89..39001fbf8c 100644
--- a/kfind/kfsave.cpp
+++ b/kfind/kfsave.cpp
@@ -8,6 +8,7 @@
 #include <kapp.h>
 
 #include "kfsave.h"
+#include <kconfig.h>
 
 // Initialize KfSaveOptions object
 /* Scans konfiguration file for saving parameters
diff --git a/konqueror/kiconcontainer.cc b/konqueror/kiconcontainer.cc
index fd182744e1..d9d81a1b01 100644
--- a/konqueror/kiconcontainer.cc
+++ b/konqueror/kiconcontainer.cc
@@ -29,6 +29,7 @@
 #include <assert.h>
 #include <string.h>
 #include <drag.h>
+#include <kdebug.h>
 
 /*******************************************************
  *