diff --git a/src/libs/utils/utils-lib.pri b/src/libs/utils/utils-lib.pri
index c2ba531e508..9b7e25b88bf 100644
--- a/src/libs/utils/utils-lib.pri
+++ b/src/libs/utils/utils-lib.pri
@@ -93,8 +93,7 @@ SOURCES += $$PWD/environment.cpp \
     $$PWD/treeviewcombobox.cpp \
     $$PWD/proxycredentialsdialog.cpp \
     $$PWD/macroexpander.cpp \
-    $$PWD/theme/theme.cpp \
-    $$PWD/messagebox.cpp
+    $$PWD/theme/theme.cpp
 
 win32:SOURCES += $$PWD/consoleprocess_win.cpp
 else:SOURCES += $$PWD/consoleprocess_unix.cpp
@@ -193,8 +192,7 @@ HEADERS += \
     $$PWD/proxycredentialsdialog.h \
     $$PWD/macroexpander.h \
     $$PWD/theme/theme.h \
-    $$PWD/theme/theme_p.h \
-    $$PWD/ messagebox.h
+    $$PWD/theme/theme_p.h
 
 FORMS += $$PWD/filewizardpage.ui \
     $$PWD/projectintropage.ui \
diff --git a/src/libs/utils/utils.qbs b/src/libs/utils/utils.qbs
index fd919053c0c..4a79fa9b4f7 100644
--- a/src/libs/utils/utils.qbs
+++ b/src/libs/utils/utils.qbs
@@ -106,8 +106,6 @@ QtcLibrary {
         "listutils.h",
         "macroexpander.cpp",
         "macroexpander.h",
-        "messagebox.cpp",
-        "messagebox.h",
         "multitask.h",
         "navigationtreeview.cpp",
         "navigationtreeview.h",
diff --git a/src/plugins/coreplugin/coreplugin.pro b/src/plugins/coreplugin/coreplugin.pro
index 40877656315..4fcdf8c14c2 100644
--- a/src/plugins/coreplugin/coreplugin.pro
+++ b/src/plugins/coreplugin/coreplugin.pro
@@ -110,7 +110,8 @@ SOURCES += corejsextensions.cpp \
     themeeditor/colorrole.cpp \
     themeeditor/themesettingstablemodel.cpp \
     themeeditor/sectionedtablemodel.cpp \
-    themeeditor/themesettingsitemdelegate.cpp
+    themeeditor/themesettingsitemdelegate.cpp \
+    messagebox.cpp
 
 HEADERS += corejsextensions.h \
     mainwindow.h \
@@ -226,6 +227,7 @@ HEADERS += corejsextensions.h \
     themeeditor/themesettingstablemodel.h \
     themeeditor/sectionedtablemodel.h \
     themeeditor/themesettingsitemdelegate.h \
+    messagebox.h
 
 FORMS += dialogs/newdialog.ui \
     dialogs/saveitemsdialog.ui \
diff --git a/src/plugins/coreplugin/coreplugin.qbs b/src/plugins/coreplugin/coreplugin.qbs
index cd7c2bd9c65..4c50a1223f1 100644
--- a/src/plugins/coreplugin/coreplugin.qbs
+++ b/src/plugins/coreplugin/coreplugin.qbs
@@ -71,6 +71,7 @@ QtcPlugin {
             "jsexpander.cpp", "jsexpander.h",
             "mainwindow.cpp", "mainwindow.h",
             "manhattanstyle.cpp", "manhattanstyle.h",
+            "messagebox.cpp", "messagebox.h",
             "messagemanager.cpp", "messagemanager.h",
             "messageoutputwindow.cpp", "messageoutputwindow.h",
             "mimedatabase.cpp", "mimedatabase.h",
diff --git a/src/libs/utils/messagebox.cpp b/src/plugins/coreplugin/messagebox.cpp
similarity index 78%
rename from src/libs/utils/messagebox.cpp
rename to src/plugins/coreplugin/messagebox.cpp
index 6ba3fb1a1b6..2fbc0da573e 100644
--- a/src/libs/utils/messagebox.cpp
+++ b/src/plugins/coreplugin/messagebox.cpp
@@ -31,37 +31,42 @@
 #include "messagebox.h"
 
 #include <QMessageBox>
-#include <QApplication>
 
-namespace Utils {
+#include "icore.h"
+
+namespace Core {
 namespace AsynchronousMessageBox {
 
 namespace {
-QWidget *dialogParent()
-{
-    QWidget *active = QApplication::activeModalWidget();
 
-    if (!active) {
-        QList<QWidget*> topLevelWidgets = QApplication::topLevelWidgets();
-        if (!topLevelWidgets.isEmpty())
-            return topLevelWidgets.first();
-    }
-
-    return nullptr;
-}
-}
-void warning(const QString &title, const QString &desciption)
+void message(QMessageBox::Icon icon, const QString &title, const QString &desciption)
 {
-    QMessageBox *messageBox = new QMessageBox(QMessageBox::Warning,
+    QMessageBox *messageBox = new QMessageBox(icon,
                                               title,
                                               desciption,
                                               QMessageBox::Ok,
-                                              dialogParent());
+                                              Core::ICore::dialogParent());
 
     messageBox->setAttribute(Qt::WA_DeleteOnClose);
     messageBox->setModal(true);
     messageBox->show();
 }
+}
+
+void warning(const QString &title, const QString &desciption)
+{
+    message(QMessageBox::Warning, title, desciption);
+}
+
+void information(const QString &title, const QString &desciption)
+{
+    message(QMessageBox::Information, title, desciption);
+}
+
+void critical(const QString &title, const QString &desciption)
+{
+    message(QMessageBox::Critical, title, desciption);
+}
+}
 
 }
-}
diff --git a/src/libs/utils/messagebox.h b/src/plugins/coreplugin/messagebox.h
similarity index 85%
rename from src/libs/utils/messagebox.h
rename to src/plugins/coreplugin/messagebox.h
index 9a1ad76a764..2452943f20a 100644
--- a/src/libs/utils/messagebox.h
+++ b/src/plugins/coreplugin/messagebox.h
@@ -31,16 +31,18 @@
 #ifndef MESSAGEBOX_H
 #define MESSAGEBOX_H
 
-#include "utils_global.h"
+#include "core_global.h"
 
 QT_BEGIN_NAMESPACE
 class QString;
 QT_END_NAMESPACE
 
-namespace Utils {
+namespace Core {
 namespace AsynchronousMessageBox {
 
-    QTCREATOR_UTILS_EXPORT void warning(const QString &title, const QString &desciption);
+    CORE_EXPORT void warning(const QString &title, const QString &desciption);
+    CORE_EXPORT void information(const QString &title, const QString &desciption);
+    CORE_EXPORT void critical(const QString &title, const QString &desciption);
 }
 }