diff --git a/kcmkwin/kwindecoration/kwindecoration.cpp b/kcmkwin/kwindecoration/kwindecoration.cpp
index 5876288a8d..8be5c3898e 100644
--- a/kcmkwin/kwindecoration/kwindecoration.cpp
+++ b/kcmkwin/kwindecoration/kwindecoration.cpp
@@ -176,12 +176,11 @@ void KWinDecorationModule::readConfig(const KConfigGroup & conf)
     // Find the corresponding decoration name to that of
     // the current plugin library name
 
-    QString libraryName = conf.readEntry("PluginLib",
-                                         ((QPixmap::defaultDepth() > 8) ? "kwin3_oxygen" : "kwin3_plastik"));
+    QString libraryName = conf.readEntry("PluginLib", "kwin3_oxygen");
 
     if (libraryName.isEmpty()) {
         // Selected decoration doesn't exist, use the default
-        libraryName = ((QPixmap::defaultDepth() > 8) ? "kwin3_oxygen" : "kwin3_plastik");
+        libraryName = "kwin3_oxygen";
     }
 
     const int bsize = conf.readEntry("BorderSize", (int)BorderNormal);
diff --git a/plugins.cpp b/plugins.cpp
index 3e745afd1c..ea5fe1c912 100644
--- a/plugins.cpp
+++ b/plugins.cpp
@@ -34,10 +34,9 @@ PluginMgr::PluginMgr()
     : KDecorationPlugins(KGlobal::config())
     , m_noDecoration(false)
 {
-    defaultPlugin = (QPixmap::defaultDepth() > 8) ?
-                    "kwin3_oxygen" : "kwin3_plastik";
+    defaultPlugin = "kwin3_oxygen";
 #ifndef KWIN_BUILD_OXYGEN
-    defaultPlugin = "kwin3_plastik";
+    defaultPlugin = "kwin3_aurorae";
 #endif
 #ifdef KWIN_BUILD_DECORATIONS
     loadPlugin("");   // load the plugin specified in cfg file