diff --git a/src/plugins/projectexplorer/extracompiler.cpp b/src/plugins/projectexplorer/extracompiler.cpp
index 05c6535ec69..59fd6b96759 100644
--- a/src/plugins/projectexplorer/extracompiler.cpp
+++ b/src/plugins/projectexplorer/extracompiler.cpp
@@ -353,15 +353,12 @@ void ExtraCompiler::setContent(const Utils::FileName &file, const QByteArray &co
 
 ExtraCompilerFactory::ExtraCompilerFactory(QObject *parent) : QObject(parent)
 {
+    factories->append(this);
 }
 
-void ExtraCompilerFactory::registerExtraCompilerFactory(ExtraCompilerFactory *factory)
+ExtraCompilerFactory::~ExtraCompilerFactory()
 {
-    QList<ExtraCompilerFactory *> *factoryList = factories();
-    factoryList->append(factory);
-    connect(factory, &QObject::destroyed, [factoryList, factory]() {
-        factoryList->removeAll(factory);
-    });
+    factories->removeAll(this);
 }
 
 QList<ExtraCompilerFactory *> ExtraCompilerFactory::extraCompilerFactories()
diff --git a/src/plugins/projectexplorer/extracompiler.h b/src/plugins/projectexplorer/extracompiler.h
index 21efd6b29f4..67cccc60f4d 100644
--- a/src/plugins/projectexplorer/extracompiler.h
+++ b/src/plugins/projectexplorer/extracompiler.h
@@ -143,6 +143,7 @@ class PROJECTEXPLORER_EXPORT ExtraCompilerFactory : public QObject
     Q_OBJECT
 public:
     explicit ExtraCompilerFactory(QObject *parent = nullptr);
+    ~ExtraCompilerFactory();
 
     virtual FileType sourceType() const = 0;
     virtual QString sourceTag() const = 0;
@@ -150,7 +151,6 @@ public:
     virtual ExtraCompiler *create(const Project *project, const Utils::FileName &source,
                                   const Utils::FileNameList &targets) = 0;
 
-    static void registerExtraCompilerFactory(ExtraCompilerFactory *factory);
     static QList<ExtraCompilerFactory *> extraCompilerFactories();
 };
 
diff --git a/src/plugins/qtsupport/qtsupportplugin.cpp b/src/plugins/qtsupport/qtsupportplugin.cpp
index 4d2453bbd4a..92e19f1bede 100644
--- a/src/plugins/qtsupport/qtsupportplugin.cpp
+++ b/src/plugins/qtsupport/qtsupportplugin.cpp
@@ -81,10 +81,8 @@ bool QtSupportPlugin::initialize(const QStringList &arguments, QString *errorMes
 
     ProjectExplorer::KitManager::registerKitInformation(new QtKitInformation);
 
-    ProjectExplorer::ExtraCompilerFactory::registerExtraCompilerFactory(
-                new UicGeneratorFactory(this));
-    ProjectExplorer::ExtraCompilerFactory::registerExtraCompilerFactory(
-                new QScxmlcGeneratorFactory(this));
+    (void) new UicGeneratorFactory(this);
+    (void) new QScxmlcGeneratorFactory(this);
 
     QtVersionManager::initialized();