diff --git a/src/plugins/perfprofiler/perfoptionspage.cpp b/src/plugins/perfprofiler/perfoptionspage.cpp
index 8b66475f770..356b073dd68 100644
--- a/src/plugins/perfprofiler/perfoptionspage.cpp
+++ b/src/plugins/perfprofiler/perfoptionspage.cpp
@@ -33,7 +33,7 @@
 namespace PerfProfiler {
 namespace Internal {
 
-PerfOptionsPage::PerfOptionsPage(QObject *parent) : Core::IOptionsPage(parent)
+PerfOptionsPage::PerfOptionsPage()
 {
     setId(Constants::PerfSettingsId);
     setDisplayName(QCoreApplication::translate("PerfProfiler::PerfOptionsPage", "CPU Usage"));
diff --git a/src/plugins/perfprofiler/perfoptionspage.h b/src/plugins/perfprofiler/perfoptionspage.h
index 7f5da499e8b..febde556e0b 100644
--- a/src/plugins/perfprofiler/perfoptionspage.h
+++ b/src/plugins/perfprofiler/perfoptionspage.h
@@ -36,7 +36,7 @@ class PerfOptionsPage : public Core::IOptionsPage
 {
     Q_OBJECT
 public:
-    PerfOptionsPage(QObject *parent = nullptr);
+    PerfOptionsPage();
 
     QWidget *widget();
     void apply();
diff --git a/src/plugins/perfprofiler/perfprofilerplugin.cpp b/src/plugins/perfprofiler/perfprofilerplugin.cpp
index a6fc393cabe..087fd0d7651 100644
--- a/src/plugins/perfprofiler/perfprofilerplugin.cpp
+++ b/src/plugins/perfprofiler/perfprofilerplugin.cpp
@@ -52,32 +52,44 @@
 #include <QAction>
 #include <QDebug>
 #include <QMenu>
-#include <QtPlugin>
 
 using namespace ProjectExplorer;
 
 namespace PerfProfiler {
+namespace Internal {
 
 Q_GLOBAL_STATIC(PerfSettings, perfGlobalSettings)
 
+class PerfProfilerPluginPrivate
+{
+public:
+    PerfProfilerPluginPrivate()
+    {
+        RunConfiguration::registerAspect<PerfRunConfigurationAspect>();
+
+        RunControl::registerWorkerCreator(ProjectExplorer::Constants::PERFPROFILER_RUN_MODE,
+                       [](RunControl *runControl){ return new PerfProfilerRunner(runControl); });
+
+        auto constraint = [](RunConfiguration *) { return true; };
+        RunControl::registerWorker<PerfProfilerRunner>
+                (ProjectExplorer::Constants::PERFPROFILER_RUN_MODE, constraint);
+    }
+
+    PerfOptionsPage optionsPage;
+    PerfProfilerTool profilerTool;
+};
+
+PerfProfilerPlugin::~PerfProfilerPlugin()
+{
+    delete d;
+}
+
 bool PerfProfilerPlugin::initialize(const QStringList &arguments, QString *errorString)
 {
     Q_UNUSED(arguments)
     Q_UNUSED(errorString)
 
-    (void) new Internal::PerfOptionsPage(this);
-
-    RunConfiguration::registerAspect<PerfRunConfigurationAspect>();
-
-    (void) new Internal::PerfProfilerTool(this);
-
-    RunControl::registerWorkerCreator(ProjectExplorer::Constants::PERFPROFILER_RUN_MODE,
-        [](RunControl *runControl){ return new Internal::PerfProfilerRunner(runControl); });
-
-    auto constraint = [](RunConfiguration *) { return true; };
-    RunControl::registerWorker<Internal::PerfProfilerRunner>
-            (ProjectExplorer::Constants::PERFPROFILER_RUN_MODE, constraint);
-
+    d = new PerfProfilerPluginPrivate;
     return true;
 }
 
@@ -85,19 +97,20 @@ void PerfProfilerPlugin::extensionsInitialized()
 {
 }
 
-PerfProfiler::PerfSettings *PerfProfilerPlugin::globalSettings()
+PerfSettings *PerfProfilerPlugin::globalSettings()
 {
     return perfGlobalSettings();
 }
 
-QList<QObject *> PerfProfiler::PerfProfilerPlugin::createTestObjects() const
+QList<QObject *> PerfProfilerPlugin::createTestObjects() const
 {
     QList<QObject *> tests;
 #if WITH_TESTS
-    tests << new Internal::PerfProfilerTraceFileTest;
-    tests << new Internal::PerfResourceCounterTest;
+    tests << new PerfProfilerTraceFileTest;
+    tests << new PerfResourceCounterTest;
 #endif // WITH_TESTS
     return tests;
 }
 
+} // namespace Internal
 } // namespace PerfProfiler
diff --git a/src/plugins/perfprofiler/perfprofilerplugin.h b/src/plugins/perfprofiler/perfprofilerplugin.h
index 35d79b099ff..9b80da48b8b 100644
--- a/src/plugins/perfprofiler/perfprofilerplugin.h
+++ b/src/plugins/perfprofiler/perfprofilerplugin.h
@@ -30,6 +30,7 @@
 #include <extensionsystem/iplugin.h>
 
 namespace PerfProfiler {
+namespace Internal {
 
 class PerfProfilerPlugin : public ExtensionSystem::IPlugin
 {
@@ -37,11 +38,16 @@ class PerfProfilerPlugin : public ExtensionSystem::IPlugin
     Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QtCreatorPlugin" FILE "PerfProfiler.json")
 
 public:
+    ~PerfProfilerPlugin();
+
     bool initialize(const QStringList &arguments, QString *errorString) final;
     void extensionsInitialized() final;
     QList<QObject *> createTestObjects() const final;
 
     static PerfSettings *globalSettings();
+
+    class PerfProfilerPluginPrivate *d = nullptr;
 };
 
+} // namespace Internal
 } // namespace PerfProfiler
diff --git a/src/plugins/perfprofiler/perfprofilertool.cpp b/src/plugins/perfprofiler/perfprofilertool.cpp
index 5a25c32e9f6..b7a67d832c2 100644
--- a/src/plugins/perfprofiler/perfprofilertool.cpp
+++ b/src/plugins/perfprofiler/perfprofilertool.cpp
@@ -69,8 +69,7 @@ namespace Internal {
 
 static PerfProfilerTool *s_instance;
 
-PerfProfilerTool::PerfProfilerTool(QObject *parent) :
-    QObject(parent)
+PerfProfilerTool::PerfProfilerTool()
 {
     s_instance = this;
     m_traceManager = new PerfProfilerTraceManager(this);
diff --git a/src/plugins/perfprofiler/perfprofilertool.h b/src/plugins/perfprofiler/perfprofilertool.h
index 7c0296b28dd..03a31dc9013 100644
--- a/src/plugins/perfprofiler/perfprofilertool.h
+++ b/src/plugins/perfprofiler/perfprofilertool.h
@@ -48,7 +48,7 @@ class PerfProfilerTool  : public QObject
 {
     Q_OBJECT
 public:
-    PerfProfilerTool(QObject *parent = nullptr);
+    PerfProfilerTool();
     static PerfProfilerTool *instance();
 
     PerfProfilerTraceManager *traceManager() const;
diff --git a/src/plugins/perfprofiler/perfrunconfigurationaspect.cpp b/src/plugins/perfprofiler/perfrunconfigurationaspect.cpp
index 498fd61b7b2..03509751f10 100644
--- a/src/plugins/perfprofiler/perfrunconfigurationaspect.cpp
+++ b/src/plugins/perfprofiler/perfrunconfigurationaspect.cpp
@@ -35,7 +35,7 @@ namespace PerfProfiler {
 PerfRunConfigurationAspect::PerfRunConfigurationAspect(ProjectExplorer::Target *target)
 {
     setProjectSettings(new PerfSettings(target));
-    setGlobalSettings(PerfProfilerPlugin::globalSettings());
+    setGlobalSettings(Internal::PerfProfilerPlugin::globalSettings());
     setId(Constants::PerfSettingsId);
     setDisplayName(QCoreApplication::translate("PerfProfiler::PerfRunConfigurationAspect",
                                                "Performance Analyzer Settings"));