diff --git a/src/plugins/debugger/debuggerrunconfigurationaspect.cpp b/src/plugins/debugger/debuggerrunconfigurationaspect.cpp
index 5c8713e4735..c4095912e8a 100644
--- a/src/plugins/debugger/debuggerrunconfigurationaspect.cpp
+++ b/src/plugins/debugger/debuggerrunconfigurationaspect.cpp
@@ -176,14 +176,12 @@ void DebuggerRunConfigWidget::update()
 
 void DebuggerRunConfigWidget::qmlDebugServerPortChanged(int port)
 {
-    m_aspect->m_qmlDebugServerPort = port;
+    m_aspect->d.qmlDebugServerPort = port;
 }
 
 void DebuggerRunConfigWidget::useCppDebuggerClicked(bool on)
 {
-    m_aspect->m_useCppDebugger = on
-            ? DebuggerRunConfigurationAspect::EnabledLanguage
-            : DebuggerRunConfigurationAspect::DisabledLanguage;
+    m_aspect->d.useCppDebugger = on ? EnabledLanguage : DisabledLanguage;
     if (!on && !m_useQmlDebugger->isChecked()) {
         m_useQmlDebugger->setChecked(true);
         useQmlDebuggerClicked(true);
@@ -198,9 +196,7 @@ void DebuggerRunConfigWidget::useQmlDebuggerToggled(bool on)
 
 void DebuggerRunConfigWidget::useQmlDebuggerClicked(bool on)
 {
-    m_aspect->m_useQmlDebugger = on
-            ? DebuggerRunConfigurationAspect::EnabledLanguage
-            : DebuggerRunConfigurationAspect::DisabledLanguage;
+    m_aspect->d.useQmlDebugger = on ? EnabledLanguage : DisabledLanguage;
     if (!on && !m_useCppDebugger->isChecked()) {
         m_useCppDebugger->setChecked(true);
         useCppDebuggerClicked(true);
@@ -209,7 +205,7 @@ void DebuggerRunConfigWidget::useQmlDebuggerClicked(bool on)
 
 void DebuggerRunConfigWidget::useMultiProcessToggled(bool on)
 {
-    m_aspect->m_useMultiProcess = on;
+    m_aspect->d.useMultiProcess = on;
 }
 
 } // namespace Internal
@@ -220,11 +216,7 @@ void DebuggerRunConfigWidget::useMultiProcessToggled(bool on)
 
 DebuggerRunConfigurationAspect::DebuggerRunConfigurationAspect(
         RunConfiguration *rc) :
-    IRunConfigurationAspect(rc),
-    m_useCppDebugger(AutoEnabledLanguage),
-    m_useQmlDebugger(AutoEnabledLanguage),
-    m_qmlDebugServerPort(Constants::QML_DEFAULT_DEBUG_SERVER_PORT),
-    m_useMultiProcess(false)
+    IRunConfigurationAspect(rc)
 {
     setId("DebuggerAspect");
     setDisplayName(tr("Debugger settings"));
@@ -232,27 +224,27 @@ DebuggerRunConfigurationAspect::DebuggerRunConfigurationAspect(
 
 void DebuggerRunConfigurationAspect::setUseQmlDebugger(bool value)
 {
-    m_useQmlDebugger = value ? EnabledLanguage : DisabledLanguage;
+    d.useQmlDebugger = value ? EnabledLanguage : DisabledLanguage;
     runConfiguration()->requestRunActionsUpdate();
 }
 
 void DebuggerRunConfigurationAspect::setUseCppDebugger(bool value)
 {
-    m_useCppDebugger = value ? EnabledLanguage : DisabledLanguage;
+    d.useCppDebugger = value ? EnabledLanguage : DisabledLanguage;
     runConfiguration()->requestRunActionsUpdate();
 }
 
 bool DebuggerRunConfigurationAspect::useCppDebugger() const
 {
-    if (m_useCppDebugger == DebuggerRunConfigurationAspect::AutoEnabledLanguage)
+    if (d.useCppDebugger == AutoEnabledLanguage)
         return runConfiguration()->target()->project()->projectLanguages().contains(
                     ProjectExplorer::Constants::LANG_CXX);
-    return m_useCppDebugger == DebuggerRunConfigurationAspect::EnabledLanguage;
+    return d.useCppDebugger == EnabledLanguage;
 }
 
 bool DebuggerRunConfigurationAspect::useQmlDebugger() const
 {
-    if (m_useQmlDebugger == DebuggerRunConfigurationAspect::AutoEnabledLanguage) {
+    if (d.useQmlDebugger == AutoEnabledLanguage) {
         //
         // Try to find a build step (qmake) to check whether qml debugging is enabled there
         // (Using the Qt metatype system to avoid a hard qt4projectmanager dependency)
@@ -271,27 +263,27 @@ bool DebuggerRunConfigurationAspect::useQmlDebugger() const
         return languages.contains(ProjectExplorer::Constants::LANG_QMLJS)
             && !languages.contains(ProjectExplorer::Constants::LANG_CXX);
     }
-    return m_useQmlDebugger == DebuggerRunConfigurationAspect::EnabledLanguage;
+    return d.useQmlDebugger == EnabledLanguage;
 }
 
 uint DebuggerRunConfigurationAspect::qmlDebugServerPort() const
 {
-    return m_qmlDebugServerPort;
+    return d.qmlDebugServerPort;
 }
 
 void DebuggerRunConfigurationAspect::setQmllDebugServerPort(uint port)
 {
-    m_qmlDebugServerPort = port;
+    d.qmlDebugServerPort = port;
 }
 
 bool DebuggerRunConfigurationAspect::useMultiProcess() const
 {
-    return m_useMultiProcess;
+    return d.useMultiProcess;
 }
 
 void DebuggerRunConfigurationAspect::setUseMultiProcess(bool value)
 {
-    m_useMultiProcess = value;
+    d.useMultiProcess = value;
 }
 
 bool DebuggerRunConfigurationAspect::isQmlDebuggingSpinboxSuppressed() const
@@ -305,29 +297,29 @@ bool DebuggerRunConfigurationAspect::isQmlDebuggingSpinboxSuppressed() const
 
 void DebuggerRunConfigurationAspect::toMap(QVariantMap &map) const
 {
-    map.insert(QLatin1String(USE_CPP_DEBUGGER_KEY), m_useCppDebugger == EnabledLanguage);
-    map.insert(QLatin1String(USE_CPP_DEBUGGER_AUTO_KEY), m_useCppDebugger == AutoEnabledLanguage);
-    map.insert(QLatin1String(USE_QML_DEBUGGER_KEY), m_useQmlDebugger == EnabledLanguage);
-    map.insert(QLatin1String(USE_QML_DEBUGGER_AUTO_KEY), m_useQmlDebugger == AutoEnabledLanguage);
-    map.insert(QLatin1String(QML_DEBUG_SERVER_PORT_KEY), m_qmlDebugServerPort);
-    map.insert(QLatin1String(USE_MULTIPROCESS_KEY), m_useMultiProcess);
+    map.insert(QLatin1String(USE_CPP_DEBUGGER_KEY), d.useCppDebugger == EnabledLanguage);
+    map.insert(QLatin1String(USE_CPP_DEBUGGER_AUTO_KEY), d.useCppDebugger == AutoEnabledLanguage);
+    map.insert(QLatin1String(USE_QML_DEBUGGER_KEY), d.useQmlDebugger == EnabledLanguage);
+    map.insert(QLatin1String(USE_QML_DEBUGGER_AUTO_KEY), d.useQmlDebugger == AutoEnabledLanguage);
+    map.insert(QLatin1String(QML_DEBUG_SERVER_PORT_KEY), d.qmlDebugServerPort);
+    map.insert(QLatin1String(USE_MULTIPROCESS_KEY), d.useMultiProcess);
 }
 
 void DebuggerRunConfigurationAspect::fromMap(const QVariantMap &map)
 {
     if (map.value(QLatin1String(USE_CPP_DEBUGGER_AUTO_KEY), false).toBool()) {
-        m_useCppDebugger = AutoEnabledLanguage;
+        d.useCppDebugger = AutoEnabledLanguage;
     } else {
         bool useCpp = map.value(QLatin1String(USE_CPP_DEBUGGER_KEY), false).toBool();
-        m_useCppDebugger = useCpp ? EnabledLanguage : DisabledLanguage;
+        d.useCppDebugger = useCpp ? EnabledLanguage : DisabledLanguage;
     }
     if (map.value(QLatin1String(USE_QML_DEBUGGER_AUTO_KEY), false).toBool()) {
-        m_useQmlDebugger = AutoEnabledLanguage;
+        d.useQmlDebugger = AutoEnabledLanguage;
     } else {
         bool useQml = map.value(QLatin1String(USE_QML_DEBUGGER_KEY), false).toBool();
-        m_useQmlDebugger = useQml ? EnabledLanguage : DisabledLanguage;
+        d.useQmlDebugger = useQml ? EnabledLanguage : DisabledLanguage;
     }
-    m_useMultiProcess = map.value(QLatin1String(USE_MULTIPROCESS_KEY), false).toBool();
+    d.useMultiProcess = map.value(QLatin1String(USE_MULTIPROCESS_KEY), false).toBool();
 }
 
 DebuggerRunConfigurationAspect *DebuggerRunConfigurationAspect::create
diff --git a/src/plugins/debugger/debuggerrunconfigurationaspect.h b/src/plugins/debugger/debuggerrunconfigurationaspect.h
index fe1d2b30d58..1c1642e2f46 100644
--- a/src/plugins/debugger/debuggerrunconfigurationaspect.h
+++ b/src/plugins/debugger/debuggerrunconfigurationaspect.h
@@ -32,6 +32,7 @@
 #define DEBUGGERRUNCONFIGURATIONASPECT_H
 
 #include "debugger_global.h"
+#include "debuggerconstants.h"
 
 #include <projectexplorer/runconfiguration.h>
 
@@ -39,6 +40,21 @@ namespace Debugger {
 
 namespace Internal { class DebuggerRunConfigWidget;  }
 
+enum DebuggerLanguageStatus {
+    DisabledLanguage = 0,
+    EnabledLanguage,
+    AutoEnabledLanguage
+};
+
+class DEBUGGER_EXPORT DebuggerRunConfigurationAspectData
+{
+public:
+    DebuggerLanguageStatus useCppDebugger = AutoEnabledLanguage;
+    DebuggerLanguageStatus useQmlDebugger = AutoEnabledLanguage;
+    uint qmlDebugServerPort = Constants::QML_DEFAULT_DEBUG_SERVER_PORT;
+    bool useMultiProcess = false;
+};
+
 class DEBUGGER_EXPORT DebuggerRunConfigurationAspect
     : public ProjectExplorer::IRunConfigurationAspect
 {
@@ -48,12 +64,6 @@ public:
     DebuggerRunConfigurationAspect(ProjectExplorer::RunConfiguration *runConfiguration);
     DebuggerRunConfigurationAspect *create(ProjectExplorer::RunConfiguration *runConfiguration) const;
 
-    enum DebuggerLanguageStatus {
-        DisabledLanguage = 0,
-        EnabledLanguage,
-        AutoEnabledLanguage
-    };
-
     void fromMap(const QVariantMap &map);
     void toMap(QVariantMap &map) const;
 
@@ -70,12 +80,8 @@ public:
     bool isQmlDebuggingSpinboxSuppressed() const;
 
 private:
-    DebuggerLanguageStatus m_useCppDebugger;
-    DebuggerLanguageStatus m_useQmlDebugger;
-    uint m_qmlDebugServerPort;
-    bool m_useMultiProcess;
-
     friend class Internal::DebuggerRunConfigWidget;
+    DebuggerRunConfigurationAspectData d;
 };
 
 } // namespace Debugger