diff --git a/kscreensaver/kdesavers/science.cpp b/kscreensaver/kdesavers/science.cpp
index f0f61ffe..e8de784e 100644
--- a/kscreensaver/kdesavers/science.cpp
+++ b/kscreensaver/kdesavers/science.cpp
@@ -131,7 +131,7 @@ KScienceSaver::KScienceSaver( WId id, bool s, bool gP )
     : KScreenSaver( id )
 {
     d = new KScienceData;
-    d->gc = XCreateGC(qt_xdisplay(), id, 0, 0);
+    d->gc = XCreateGC(tqt_xdisplay(), id, 0, 0);
 	d->xRootWin = 0;
     d->buffer = 0;
 
@@ -159,7 +159,7 @@ KScienceSaver::~KScienceSaver()
 	releaseLens();
 	if ( d->xRootWin )
 		XDestroyImage( d->xRootWin );
-    XFreeGC(qt_xdisplay(), d->gc );
+    XFreeGC(tqt_xdisplay(), d->gc );
     delete d;
 }
 
@@ -592,14 +592,14 @@ void KScienceSaver::do_refresh( const TQRect & rect )
 
 	if( hideBG[mode] )
 	{
-		XSetWindowBackground( qt_xdisplay(), winId(), black.pixel() );
-		XClearArea( qt_xdisplay(), winId(), rect.left(), rect.top(),
+		XSetWindowBackground( tqt_xdisplay(), winId(), black.pixel() );
+		XClearArea( tqt_xdisplay(), winId(), rect.left(), rect.top(),
                             rect.width(), rect.height(), false );
 	}
 	else
 	{
 		myAssert( d->xRootWin != 0, "root window not grabbed" );
-		XPutImage( qt_xdisplay(), winId(), d->gc, d->xRootWin,
+		XPutImage( tqt_xdisplay(), winId(), d->gc, d->xRootWin,
 		           rect.left(), rect.top(),
                            rect.left(), rect.top(),
                            rect.width(), rect.height() );
@@ -700,15 +700,15 @@ void KScienceSaver::slotTimeout()
 	if( hideBG[mode] )
 		blackPixel( xcoord, ycoord );
 	(this->*applyLens)(xs, ys, xd, yd, w, h);
-	XPutImage( qt_xdisplay(), winId(), d->gc, d->buffer, 0, 0, xd, yd, w, h );
+	XPutImage( tqt_xdisplay(), winId(), d->gc, d->buffer, 0, 0, xd, yd, w, h );
 	if( hideBG[mode] )
 		blackPixelUndo( xcoord, ycoord );
 }
 
 void KScienceSaver::grabRootWindow()
 {
-	Display *dsp = qt_xdisplay();
-	Window rootwin = RootWindow( dsp, qt_xscreen() );
+	Display *dsp = tqt_xdisplay();
+	Window rootwin = RootWindow( dsp, tqt_xscreen() );
 
 	// grab contents of root window
 	if( d->xRootWin )
@@ -729,7 +729,7 @@ void KScienceSaver::grabPreviewWidget()
 	if( d->xRootWin )
 		XDestroyImage( d->xRootWin );
 
-	Display *dsp = qt_xdisplay();
+	Display *dsp = tqt_xdisplay();
 	d->xRootWin = XGetImage( dsp, winId(), 0, 0, width(), height(), AllPlanes, ZPixmap);
 	myAssert( d->xRootWin, "unable to grab preview window\n" );
 
@@ -739,7 +739,7 @@ void KScienceSaver::grabPreviewWidget()
 
 void KScienceSaver::blackPixel( int x, int y )
 {
-	unsigned char black = (char) BlackPixel( qt_xdisplay(), qt_xscreen() );
+	unsigned char black = (char) BlackPixel( tqt_xdisplay(), tqt_xscreen() );
 	unsigned int adr = x*bpp + y*imgnext;
 
 	for(int i=0; i<bpp; i++) {
diff --git a/kscreensaver/kxsconfig/kxsconfig.cpp b/kscreensaver/kxsconfig/kxsconfig.cpp
index a8a67d51..36928f79 100644
--- a/kscreensaver/kxsconfig/kxsconfig.cpp
+++ b/kscreensaver/kxsconfig/kxsconfig.cpp
@@ -181,7 +181,7 @@ bool KXSConfigDialog::create()
     show();
 
     // So that hacks can XSelectInput ButtonPressMask
-    XSelectInput(qt_xdisplay(), mPreview->winId(), widgetEventMask );
+    XSelectInput(tqt_xdisplay(), mPreview->winId(), widgetEventMask );
 
     slotPreviewExited(0);
     return true;
@@ -357,7 +357,7 @@ int main(int argc, char *argv[])
   // Teach Xt to use the Display that TQt has already opened.
   XtToolkitInitialize ();
   XtAppContext xtApp = XtCreateApplicationContext ();
-  Display *dpy = qt_xdisplay();
+  Display *dpy = tqt_xdisplay();
   XtAppSetFallbackResources (xtApp, const_cast<char**>(defaults));
   XtDisplayInitialize (xtApp, dpy, progname, progclass, 0, 0,
                        &dummyargc,
diff --git a/kscreensaver/xsavers/saver.cpp b/kscreensaver/xsavers/saver.cpp
index 9af37da0..1c11fd73 100644
--- a/kscreensaver/xsavers/saver.cpp
+++ b/kscreensaver/xsavers/saver.cpp
@@ -16,14 +16,14 @@ kScreenSaver::kScreenSaver(Drawable drawable) : TQObject()
 	unsigned int au;
 
 	mDrawable = drawable;
-	mGc = XCreateGC(qt_xdisplay(), mDrawable, 0, 0);
-	XGetGeometry(qt_xdisplay(), mDrawable, &root, &ai, &ai,
+	mGc = XCreateGC(tqt_xdisplay(), mDrawable, 0, 0);
+	XGetGeometry(tqt_xdisplay(), mDrawable, &root, &ai, &ai,
 		&mWidth, &mHeight, &au, &au); 
 }
 
 kScreenSaver::~kScreenSaver()
 {
-	XFreeGC(qt_xdisplay(), mGc);
+	XFreeGC(tqt_xdisplay(), mGc);
 }
 
 //-----------------------------------------------------------------------------
diff --git a/kscreensaver/xsavers/swarm.cpp b/kscreensaver/xsavers/swarm.cpp
index 76ba08db..57968ec8 100644
--- a/kscreensaver/xsavers/swarm.cpp
+++ b/kscreensaver/xsavers/swarm.cpp
@@ -261,8 +261,8 @@ kSwarmSaver::kSwarmSaver( Drawable drawable ) : kScreenSaver( drawable )
 	readSettings();
 
     // Clear to background colour when exposed
-    XSetWindowBackground(qt_xdisplay(), mDrawable,
-                            BlackPixel(qt_xdisplay(), qt_xscreen()));
+    XSetWindowBackground(tqt_xdisplay(), mDrawable,
+                            BlackPixel(tqt_xdisplay(), tqt_xscreen()));
 
 	colorContext = TQColor::enterAllocContext();
 
diff --git a/kscreensaver/xsavers/xlock.cpp b/kscreensaver/xsavers/xlock.cpp
index aaf1cea7..7b826158 100644
--- a/kscreensaver/xsavers/xlock.cpp
+++ b/kscreensaver/xsavers/xlock.cpp
@@ -62,8 +62,8 @@ void initXLock( GC gc )
 {
 	SetRNG( time(NULL) );
 
-	dsp = qt_xdisplay();
-	screen = qt_xscreen();
+	dsp = tqt_xdisplay();
+	screen = tqt_xscreen();
 
 	Screen *scr = ScreenOfDisplay(dsp, screen);