diff --git a/kcm/src/kcm_kscreen.cpp b/kcm/src/kcm_kscreen.cpp
--- a/kcm/src/kcm_kscreen.cpp
+++ b/kcm/src/kcm_kscreen.cpp
@@ -70,6 +70,7 @@
 void KCMKScreen::configReady(ConfigOperation* op)
 {
     QHBoxLayout *layout = new QHBoxLayout(this);
+    layout->setMargin(0);
 
     if (op->hasError()) {
         mKScreenWidget = 0;
diff --git a/kcm/src/widget.cpp b/kcm/src/widget.cpp
--- a/kcm/src/widget.cpp
+++ b/kcm/src/widget.cpp
@@ -79,6 +79,8 @@
     widget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding);
 
     QVBoxLayout *vbox = new QVBoxLayout(widget);
+    const int topMargin = style()->pixelMetric(QStyle::PM_LayoutTopMargin, 0, this);
+    vbox->setContentsMargins(0, topMargin, 0, 0);
     widget->setLayout(vbox);
 
     QHBoxLayout *hbox = new QHBoxLayout;