diff --git a/kdgantt/KDGanttMinimizeSplitter.cpp b/kdgantt/KDGanttMinimizeSplitter.cpp
index 82d6b0e81..e499faf6b 100644
--- a/kdgantt/KDGanttMinimizeSplitter.cpp
+++ b/kdgantt/KDGanttMinimizeSplitter.cpp
@@ -40,7 +40,7 @@
 #include "tqptrlist.h"
 #include "tqmemarray.h"
 #include "tqlayout.h"
-#include "tqlayoutengine_p.h"
+#include "private/tqlayoutengine_p.h"
 #include "tqobjectlist.h"
 #include "tqstyle.h"
 #include "tqapplication.h" //sendPostedEvents
diff --git a/kspread/kspread_editors.cpp b/kspread/kspread_editors.cpp
index a4baad779..ecc9daf1a 100644
--- a/kspread/kspread_editors.cpp
+++ b/kspread/kspread_editors.cpp
@@ -37,7 +37,7 @@
 #include <tqlabel.h>
 #include <tqvbox.h>
 #include <tqvaluelist.h>
-#include <tqrichtext_p.h>
+#include <private/tqrichtext_p.h>
 
 //#include <klineedit.h>
 #include <ktextedit.h>
diff --git a/lib/kotext/KoRichText.cpp b/lib/kotext/KoRichText.cpp
index b6787b25e..c007d3022 100644
--- a/lib/kotext/KoRichText.cpp
+++ b/lib/kotext/KoRichText.cpp
@@ -47,7 +47,7 @@
 #include <tdeversion.h>
 #include <tdeglobal.h>
 #include <tdelocale.h>
-#include <tqtextengine_p.h>
+#include <private/tqtextengine_p.h>
 
 //#define DEBUG_COLLECTION
 //#define DEBUG_TABLE_RENDERING
diff --git a/lib/kross/api/eventsignal.cpp b/lib/kross/api/eventsignal.cpp
index 32537a684..51e32e277 100644
--- a/lib/kross/api/eventsignal.cpp
+++ b/lib/kross/api/eventsignal.cpp
@@ -23,7 +23,7 @@
 #include "qtobject.h"
 
 #include <tqmetaobject.h>
-#include <tqucom_p.h> // for the TQt TQUObject API.
+#include <private/tqucom_p.h> // for the TQt TQUObject API.
 
 using namespace Kross::Api;
 
diff --git a/lib/kross/api/eventslot.cpp b/lib/kross/api/eventslot.cpp
index 5e655cdb3..e5cadca14 100644
--- a/lib/kross/api/eventslot.cpp
+++ b/lib/kross/api/eventslot.cpp
@@ -23,7 +23,7 @@
 #include "qtobject.h"
 
 #include <tqmetaobject.h>
-#include <tqucom_p.h> // for the TQt TQUObject API.
+#include <private/tqucom_p.h> // for the TQt TQUObject API.
 
 using namespace Kross::Api;
 
diff --git a/lib/kross/api/qtobject.cpp b/lib/kross/api/qtobject.cpp
index 55c07ca31..d73190912 100644
--- a/lib/kross/api/qtobject.cpp
+++ b/lib/kross/api/qtobject.cpp
@@ -31,7 +31,7 @@
 //#include <tqglobal.h>
 //#include <tqobjectdefs.h>
 #include <tqmetaobject.h>
-#include <tqucom_p.h> // for the TQt TQUObject API.
+#include <private/tqucom_p.h> // for the TQt TQUObject API.
 
 using namespace Kross::Api;