diff --git a/src/brightnesschooser.cpp b/src/brightnesschooser.cpp
index 6698d19..a986467 100644
--- a/src/brightnesschooser.cpp
+++ b/src/brightnesschooser.cpp
@@ -62,8 +62,8 @@ BrightnessChooser::BrightnessChooser( TQWidget* parent, const char* name, WFlags
     clearWState( WState_Polished );
 
     // signals and slots connections
-    connect( okButton, SIGNAL( clicked() ), this, SLOT( updateBrightness() ) );
-    connect( brightnessSlider, SIGNAL( valueChanged(int) ), this, SLOT( updateValue(int) ) );
+    connect( okButton, TQ_SIGNAL( clicked() ), this, TQ_SLOT( updateBrightness() ) );
+    connect( brightnessSlider, TQ_SIGNAL( valueChanged(int) ), this, TQ_SLOT( updateValue(int) ) );
 }
 
 /*
diff --git a/src/brightnesschooserimpl.cpp b/src/brightnesschooserimpl.cpp
index 60051b6..a5608a5 100644
--- a/src/brightnesschooserimpl.cpp
+++ b/src/brightnesschooserimpl.cpp
@@ -84,12 +84,12 @@ void BrightnessChooserImpl::updateBrightness()
     proc->addArgument( Preferences::program() );
     proc->addArgument( args );
 
-    connect( proc, SIGNAL(readyReadStdout()),
-             this, SLOT(readFromStdout()) );
-    connect( proc, SIGNAL(readyReadStderr()),
-             this, SLOT(readFromStderr()) );
-    connect( proc, SIGNAL(processExited()),
-             this, SLOT(procExited()) );
+    connect( proc, TQ_SIGNAL(readyReadStdout()),
+             this, TQ_SLOT(readFromStdout()) );
+    connect( proc, TQ_SIGNAL(readyReadStderr()),
+             this, TQ_SLOT(readFromStderr()) );
+    connect( proc, TQ_SIGNAL(processExited()),
+             this, TQ_SLOT(procExited()) );
 
     if ( !proc->start() ) {
         // error handling
@@ -122,12 +122,12 @@ void BrightnessChooserImpl::getBrightness()
     proc->addArgument( Preferences::program() );
     proc->addArgument( args );
 
-    connect( proc, SIGNAL(readyReadStdout()),
-             this, SLOT(readValueFromStdout()) );
-    connect( proc, SIGNAL(readyReadStderr()),
-             this, SLOT(readFromStderr()) );
-    connect( proc, SIGNAL(processExited()),
-             this, SLOT(procExited()) );
+    connect( proc, TQ_SIGNAL(readyReadStdout()),
+             this, TQ_SLOT(readValueFromStdout()) );
+    connect( proc, TQ_SIGNAL(readyReadStderr()),
+             this, TQ_SLOT(readFromStderr()) );
+    connect( proc, TQ_SIGNAL(processExited()),
+             this, TQ_SLOT(procExited()) );
 
     if ( !proc->start() ) {
         // error handling
diff --git a/src/klcddimmer.cpp b/src/klcddimmer.cpp
index 4a10eec..c2129dc 100644
--- a/src/klcddimmer.cpp
+++ b/src/klcddimmer.cpp
@@ -63,7 +63,7 @@ klcddimmer::klcddimmer(const TQString& configFile, Type type, int actions, TQWid
     mBrightnessChooserFrame->setMainWidget(chooser);
     mBrightnessChooserFrame->resize(chooser->size());
 
-    connect(chooser, SIGNAL(valueUpdated()), this, SLOT(valueUpdate()));
+    connect(chooser, TQ_SIGNAL(valueUpdated()), this, TQ_SLOT(valueUpdate()));
 
     initContextMenu();
 
@@ -166,11 +166,11 @@ void klcddimmer::initContextMenu()
 {
   mContextMenu = new TDEPopupMenu(this);
   //mContextMenu->insertItem(SmallIcon("reload"), i18n("&Update Now"),
-  //                         this, SLOT(slotUpdateNow()), 0, -1, 2);
+  //                         this, TQ_SLOT(slotUpdateNow()), 0, -1, 2);
   mContextMenu->insertSeparator();
-  mContextMenu->insertItem(SmallIcon("klcddimmer"), i18n("&About KLcdDimmer"), this, SLOT(about()));
+  mContextMenu->insertItem(SmallIcon("klcddimmer"), i18n("&About KLcdDimmer"), this, TQ_SLOT(about()));
   mContextMenu->insertItem(SmallIcon("configure"),
-                           i18n("&Configure KLcdDimmer..."), this, SLOT(preferences()));
+                           i18n("&Configure KLcdDimmer..."), this, TQ_SLOT(preferences()));
   setCustomMenu(mContextMenu);
 }