diff --git a/clients/b2/config/config.cpp b/clients/b2/config/config.cpp
index 10676a22f9..9657a214dc 100644
--- a/clients/b2/config/config.cpp
+++ b/clients/b2/config/config.cpp
@@ -71,7 +71,7 @@ void B2Config::slotSelectionChanged()
 
 // Loads the configurable options from the kwinrc config file
 // It is passed the open config from kwindecoration to improve efficiency
-void B2Config::load( KConfig* conf )
+void B2Config::load( KConfig* /*conf*/ )
 {
 	b2Config->setGroup("General");
 	bool override = b2Config->readBoolEntry( "UseTitleBarBorderColors", false );
@@ -80,7 +80,7 @@ void B2Config::load( KConfig* conf )
 
 
 // Saves the configurable options to the kwinrc config file
-void B2Config::save( KConfig* conf )
+void B2Config::save( KConfig* /*conf*/ )
 {
 	b2Config->setGroup("General");
 	b2Config->writeEntry( "UseTitleBarBorderColors", cbColorBorder->isChecked() );
diff --git a/kcmkwin/kwinoptions/windows.cpp b/kcmkwin/kwinoptions/windows.cpp
index 1e6361373b..6fc841f25c 100644
--- a/kcmkwin/kwinoptions/windows.cpp
+++ b/kcmkwin/kwinoptions/windows.cpp
@@ -556,7 +556,7 @@ void KAdvancedConfig::shadeHoverChanged(bool a) {
     shadeHover->setEnabled(a);
 }
 
-void KAdvancedConfig::setXinerama(bool on) {
+void KAdvancedConfig::setXinerama(bool /*on*/) {
 #ifdef HAVE_XINERAMA
     if (KApplication::desktop()->isVirtualDesktop())
         xineramaEnable->setChecked(on);