diff --git a/ext/ghoul b/ext/ghoul
index ca48c2ca7e..df7b448dd5 160000
--- a/ext/ghoul
+++ b/ext/ghoul
@@ -1 +1 @@
-Subproject commit ca48c2ca7e9c65f3e4b1c68c046995314daf287a
+Subproject commit df7b448dd574ff1afd0f96fae47687cab87858bf
diff --git a/include/openspace/util/factorymanager.h b/include/openspace/util/factorymanager.h
index 333319f43d..50593fa899 100644
--- a/include/openspace/util/factorymanager.h
+++ b/include/openspace/util/factorymanager.h
@@ -55,13 +55,10 @@ public:
 
 private:
     FactoryManager();
-
-    /// Not implemented on purpose, using this should result in an error
-    FactoryManager(const FactoryManager& c);
-
-    /// Not implemented on purpose, using this should result in an error
     ~FactoryManager();
 
+    FactoryManager(const FactoryManager& c) = delete;
+
     static FactoryManager* _manager;  ///<Singleton member
 
     std::vector<ghoul::TemplateFactoryBase*> _factories;