diff --git a/src/plugins/projectexplorer/extracompiler.cpp b/src/plugins/projectexplorer/extracompiler.cpp
index ecefbf353a8..328d24df405 100644
--- a/src/plugins/projectexplorer/extracompiler.cpp
+++ b/src/plugins/projectexplorer/extracompiler.cpp
@@ -354,7 +354,11 @@ ExtraCompilerFactory::ExtraCompilerFactory(QObject *parent) : QObject(parent)
 
 void ExtraCompilerFactory::registerExtraCompilerFactory(ExtraCompilerFactory *factory)
 {
-    factories()->append(factory);
+    QList<ExtraCompilerFactory *> *factoryList = factories();
+    factoryList->append(factory);
+    connect(factory, &QObject::destroyed, [factoryList, factory]() {
+        factoryList->removeAll(factory);
+    });
 }
 
 QList<ExtraCompilerFactory *> ExtraCompilerFactory::extraCompilerFactories()
diff --git a/src/plugins/qtsupport/qscxmlcgenerator.h b/src/plugins/qtsupport/qscxmlcgenerator.h
index cb375999c64..1c52f0410db 100644
--- a/src/plugins/qtsupport/qscxmlcgenerator.h
+++ b/src/plugins/qtsupport/qscxmlcgenerator.h
@@ -58,6 +58,8 @@ class QScxmlcGeneratorFactory : public ProjectExplorer::ExtraCompilerFactory
 {
     Q_OBJECT
 public:
+    QScxmlcGeneratorFactory(QObject *parent = 0) : ExtraCompilerFactory(parent) {}
+
     ProjectExplorer::FileType sourceType() const override;
 
     QString sourceTag() const override;
diff --git a/src/plugins/qtsupport/qtsupportplugin.cpp b/src/plugins/qtsupport/qtsupportplugin.cpp
index cc2b1ae3cc7..279776fdf1c 100644
--- a/src/plugins/qtsupport/qtsupportplugin.cpp
+++ b/src/plugins/qtsupport/qtsupportplugin.cpp
@@ -89,9 +89,9 @@ bool QtSupportPlugin::initialize(const QStringList &arguments, QString *errorMes
     ProjectExplorer::KitManager::registerKitInformation(new QtKitInformation);
 
     ProjectExplorer::ExtraCompilerFactory::registerExtraCompilerFactory(
-                new UicGeneratorFactory);
+                new UicGeneratorFactory(this));
     ProjectExplorer::ExtraCompilerFactory::registerExtraCompilerFactory(
-                new QScxmlcGeneratorFactory);
+                new QScxmlcGeneratorFactory(this));
 
     QtVersionManager::initialized();
 
diff --git a/src/plugins/qtsupport/uicgenerator.h b/src/plugins/qtsupport/uicgenerator.h
index e51281606ee..21fd09e12b9 100644
--- a/src/plugins/qtsupport/uicgenerator.h
+++ b/src/plugins/qtsupport/uicgenerator.h
@@ -50,6 +50,8 @@ class UicGeneratorFactory : public ProjectExplorer::ExtraCompilerFactory
 {
     Q_OBJECT
 public:
+    UicGeneratorFactory(QObject *parent = 0) : ExtraCompilerFactory(parent) {}
+
     ProjectExplorer::FileType sourceType() const override;
 
     QString sourceTag() const override;