Index: /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIMessageCenter.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIMessageCenter.cpp	(revision 68410)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIMessageCenter.cpp	(revision 68411)
@@ -481,13 +481,4 @@
              "VirtualBox Manager window, and select one of the existing languages on the <b>Language</b> page.</p>")
              .arg(strLangFile));
-}
-
-void UIMessageCenter::cannotSaveGlobalConfig(const CVirtualBox &vbox) const
-{
-    error(0, MessageType_Critical,
-          tr("<p>Failed to save the global GUI configuration to <b><nobr>%1</nobr></b>.</p>"
-             "<p>The application will now terminate.</p>")
-             .arg(CVirtualBox(vbox).GetSettingsFilePath()),
-          formatErrorInfo(vbox));
 }
 
@@ -1012,19 +1003,4 @@
                           QString() /* cancel button text */,
                           false /* ok button by default? */);
-}
-
-void UIMessageCenter::cannotCreateNATNetwork(const CVirtualBox &vbox, QWidget *pParent /* = 0*/)
-{
-    error(pParent, MessageType_Error,
-          tr("Failed to create NAT network."),
-          formatErrorInfo(vbox));
-}
-
-void UIMessageCenter::cannotRemoveNATNetwork(const CVirtualBox &vbox, const QString &strNetworkName, QWidget *pParent /* = 0*/)
-{
-    error(pParent, MessageType_Error,
-          tr("Failed to remove NAT network <b>%1</b>.")
-             .arg(strNetworkName),
-          formatErrorInfo(vbox));
 }
 
Index: /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIMessageCenter.h
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIMessageCenter.h	(revision 68410)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIMessageCenter.h	(revision 68411)
@@ -165,5 +165,4 @@
     void cannotFindLanguage(const QString &strLangId, const QString &strNlsPath) const;
     void cannotLoadLanguage(const QString &strLangFile) const;
-    void cannotSaveGlobalConfig(const CVirtualBox &vbox) const;
     void cannotFindMachineByName(const CVirtualBox &vbox, const QString &strName) const;
     void cannotFindMachineById(const CVirtualBox &vbox, const QString &strId) const;
@@ -222,6 +221,4 @@
     /* API: Global settings warnings: */
     bool confirmNATNetworkRemoval(const QString &strName, QWidget *pParent = 0) const;
-    void cannotCreateNATNetwork(const CVirtualBox &vbox, QWidget *pParent = 0);
-    void cannotRemoveNATNetwork(const CVirtualBox &vbox, const QString &strNetworkName, QWidget *pParent = 0);
     void cannotSetSystemProperties(const CSystemProperties &properties, QWidget *pParent = 0) const;