diff --git a/src/declarativeimports/core/units.cpp b/src/declarativeimports/core/units.cpp
index 0f20b8eb2..ad7ed6c11 100644
--- a/src/declarativeimports/core/units.cpp
+++ b/src/declarativeimports/core/units.cpp
@@ -20,7 +20,7 @@
 
 #include "units.h"
 
-#include <QApplication>
+#include <QGuiApplication>
 #include <QDebug>
 #include <QDesktopWidget>
 #include <QtGlobal>
@@ -55,7 +55,7 @@ Units::Units(QObject *parent)
     themeChanged();
     connect(&m_theme, SIGNAL(themeChanged()),
             this, SLOT(themeChanged()));
-    qApp->installEventFilter(this);
+    QCoreApplication::instance()->installEventFilter(this);
 
     const QString configFile = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation) + QLatin1Char('/') + plasmarc;
     KDirWatch::self()->addFile(configFile);
diff --git a/src/plasma/private/theme_p.cpp b/src/plasma/private/theme_p.cpp
index 56c7132c8..dd0104e08 100644
--- a/src/plasma/private/theme_p.cpp
+++ b/src/plasma/private/theme_p.cpp
@@ -22,7 +22,7 @@
 #include "framesvg.h"
 #include "framesvg_p.h"
 
-#include <QApplication>
+#include <QGuiApplication>
 #include <QFile>
 #include <QFileInfo>
 #include <QFontDatabase>
@@ -97,7 +97,7 @@ ThemePrivate::ThemePrivate(QObject *parent)
         QObject::connect(s_blurEffectWatcher, SIGNAL(effectChanged(bool)), this, SLOT(blurBehindChanged(bool)));
 #endif
     }
-    qApp->installEventFilter(this);
+    QCoreApplication::instance()->installEventFilter(this);
 
     const QString configFile = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation) + QLatin1Char('/') + themeRcFile;
     KDirWatch::self()->addFile(configFile);
@@ -414,7 +414,7 @@ const QString ThemePrivate::processStyleSheet(const QString &css)
     elements[QStringLiteral("%viewhovercolor")] = color(Theme::ViewHoverColor).name();
     elements[QStringLiteral("%viewfocuscolor")] = color(Theme::ViewFocusColor).name();
 
-    QFont font = QApplication::font();
+    QFont font = QGuiApplication::font();
     elements[QStringLiteral("%fontsize")] = QStringLiteral("%1pt").arg(font.pointSize());
     elements[QStringLiteral("%fontfamily")] = font.family().split('[').first();
     elements[QStringLiteral("%smallfontsize")] = QString("%1pt").arg(QFontDatabase::systemFont(QFontDatabase::SmallestReadableFont).pointSize());