diff --git a/src/libs/utils/hostosinfo.h b/src/libs/utils/hostosinfo.h
index b5d85f2c62b..0f945bb0b61 100644
--- a/src/libs/utils/hostosinfo.h
+++ b/src/libs/utils/hostosinfo.h
@@ -72,6 +72,11 @@ public:
     {
         return isWindowsHost() ? QLatin1Char(';') : QLatin1Char(':');
     }
+
+    static Qt::KeyboardModifier controlModifier()
+    {
+        return isMacHost() ? Qt::MetaModifier : Qt::ControlModifier;
+    }
 };
 
 HostOsInfo::HostOs HostOsInfo::hostOs()
diff --git a/src/plugins/fakevim/fakevimhandler.cpp b/src/plugins/fakevim/fakevimhandler.cpp
index 9d9d58ff38b..0b6d6d88c5e 100644
--- a/src/plugins/fakevim/fakevimhandler.cpp
+++ b/src/plugins/fakevim/fakevimhandler.cpp
@@ -131,16 +131,8 @@ namespace Internal {
 
 #define EDITOR(s) (m_textedit ? m_textedit->s : m_plaintextedit->s)
 
-enum {
-#ifdef Q_OS_MAC
-    RealControlModifier = Qt::MetaModifier
-#else
-    RealControlModifier = Qt::ControlModifier
-#endif
-};
-// Enforce use of RealControlModifier by breaking the compilation.
-#define MetaModifier     // Use RealControlModifier instead
-#define ControlModifier  // Use RealControlModifier instead
+#define MetaModifier     // Use HostOsInfo::controlModifier() instead
+#define ControlModifier  // Use HostOsInfo::controlModifier() instead
 
 typedef QLatin1String _;
 
@@ -602,12 +594,12 @@ public:
 
     bool is(int c) const
     {
-        return m_xkey == c && m_modifiers != RealControlModifier;
+        return m_xkey == c && m_modifiers != int(HostOsInfo::controlModifier());
     }
 
     bool isControl(int c) const
     {
-        return m_modifiers == RealControlModifier
+        return m_modifiers == int(HostOsInfo::controlModifier())
             && (m_xkey == c || m_xkey + 32 == c || m_xkey + 64 == c || m_xkey + 96 == c);
     }
 
@@ -789,7 +781,7 @@ static Input parseVimKeyName(const QString &keyName)
         if (key == "S")
             mods |= Qt::ShiftModifier;
         else if (key == "C")
-            mods |= RealControlModifier;
+            mods |= HostOsInfo::controlModifier();
         else
             return Input();
     }
@@ -1618,7 +1610,7 @@ bool FakeVimHandler::Private::wantsOverride(QKeyEvent *ev)
     }
 
     // We are interested in overriding most Ctrl key combinations.
-    if (mods == RealControlModifier
+    if (mods == int(HostOsInfo::controlModifier())
             && !config(ConfigPassControlKey).toBool()
             && ((key >= Key_A && key <= Key_Z && key != Key_K)
                 || key == Key_BracketLeft || key == Key_BracketRight)) {
@@ -1824,7 +1816,7 @@ void FakeVimHandler::Private::importSelection()
         // Import new selection.
         Qt::KeyboardModifiers mods = QApplication::keyboardModifiers();
         if (cursor().hasSelection()) {
-            if (mods & RealControlModifier)
+            if (mods & HostOsInfo::controlModifier())
                 m_visualMode = VisualBlockMode;
             else if (mods & Qt::AltModifier)
                 m_visualMode = VisualBlockMode;
diff --git a/src/plugins/find/findtoolbar.cpp b/src/plugins/find/findtoolbar.cpp
index 0ea7307bae9..d238f654574 100644
--- a/src/plugins/find/findtoolbar.cpp
+++ b/src/plugins/find/findtoolbar.cpp
@@ -291,12 +291,10 @@ bool FindToolBar::eventFilter(QObject *obj, QEvent *event)
         }
     }
 
-    const Qt::KeyboardModifier modifier = Utils::HostOsInfo::isMacHost()
-            ? Qt::ControlModifier : Qt::MetaModifier;
     if ((obj == m_ui.findEdit || obj == m_findCompleter->popup())
                && event->type() == QEvent::KeyPress) {
         QKeyEvent *ke = static_cast<QKeyEvent *>(event);
-        if (ke->key() == Qt::Key_Space && (ke->modifiers() & modifier)) {
+        if (ke->key() == Qt::Key_Space && (ke->modifiers() & Utils::HostOsInfo::controlModifier())) {
             QString completedText = m_currentDocumentFind->completedFindString();
             if (!completedText.isEmpty()) {
                 setFindText(completedText);
@@ -313,7 +311,7 @@ bool FindToolBar::eventFilter(QObject *obj, QEvent *event)
                 event->accept();
                 return true;
             }
-        } else if (ke->key() == Qt::Key_Space && (ke->modifiers() & modifier)) {
+        } else if (ke->key() == Qt::Key_Space && (ke->modifiers() & Utils::HostOsInfo::controlModifier())) {
             event->accept();
             return true;
         }
diff --git a/src/plugins/texteditor/basetexteditor.cpp b/src/plugins/texteditor/basetexteditor.cpp
index ef093503a8f..c7662900348 100644
--- a/src/plugins/texteditor/basetexteditor.cpp
+++ b/src/plugins/texteditor/basetexteditor.cpp
@@ -1823,9 +1823,6 @@ void BaseTextEditorWidget::keyPressEvent(QKeyEvent *e)
         break;
     }
 
-    const Qt::KeyboardModifiers modifiers
-            = HostOsInfo::isMacHost() ? Qt::MetaModifier : Qt::ControlModifier;
-
     if (!ro && d->m_inBlockSelectionMode) {
         QString text = e->text();
         if (!text.isEmpty() && (text.at(0).isPrint() || text.at(0) == QLatin1Char('\t'))) {
@@ -1834,7 +1831,8 @@ void BaseTextEditorWidget::keyPressEvent(QKeyEvent *e)
         }
     }
 
-    if (e->key() == Qt::Key_H && e->modifiers() == modifiers) {
+    if (e->key() == Qt::Key_H
+            && e->modifiers() == Qt::KeyboardModifiers(HostOsInfo::controlModifier())) {
         universalHelper();
         e->accept();
         return;
diff --git a/src/plugins/texteditor/codeassist/genericproposalwidget.cpp b/src/plugins/texteditor/codeassist/genericproposalwidget.cpp
index d7d6af7e1a1..fce4f33299b 100644
--- a/src/plugins/texteditor/codeassist/genericproposalwidget.cpp
+++ b/src/plugins/texteditor/codeassist/genericproposalwidget.cpp
@@ -516,8 +516,6 @@ void GenericProposalWidget::updatePositionAndSize()
 
 bool GenericProposalWidget::eventFilter(QObject *o, QEvent *e)
 {
-    const Qt::KeyboardModifiers modifier = HostOsInfo::isMacHost()
-            ? Qt::MetaModifier : Qt::ControlModifier;
     if (e->type() == QEvent::FocusOut) {
         abort();
 #if (QT_VERSION < 0x050000) && defined(Q_OS_DARWIN) && ! defined(QT_MAC_USE_COCOA)
@@ -538,7 +536,7 @@ bool GenericProposalWidget::eventFilter(QObject *o, QEvent *e)
         switch (ke->key()) {
         case Qt::Key_N:
         case Qt::Key_P:
-            if (ke->modifiers() == modifier) {
+            if (ke->modifiers() == Qt::KeyboardModifiers(HostOsInfo::controlModifier())) {
                 e->accept();
                 return true;
             }
@@ -554,7 +552,7 @@ bool GenericProposalWidget::eventFilter(QObject *o, QEvent *e)
         case Qt::Key_P:
             // select next/previous completion
             d->m_explicitlySelected = true;
-            if (ke->modifiers() == modifier) {
+            if (ke->modifiers() == Qt::KeyboardModifiers(HostOsInfo::controlModifier())) {
                 int change = (ke->key() == Qt::Key_N) ? 1 : -1;
                 int nrows = d->m_model->size();
                 int row = d->m_completionListView->currentIndex().row();