diff --git a/src/ipc/ipc-common/InterfaceManagerInterface.h b/src/ipc/ipc-common/InterfaceManagerInterface.h
index ac4e88e7..002a4b5a 100644
--- a/src/ipc/ipc-common/InterfaceManagerInterface.h
+++ b/src/ipc/ipc-common/InterfaceManagerInterface.h
@@ -31,6 +31,7 @@
 
 #include <QObject>
 #include <QString>
+#include <QPointer>
 #include "Registry.h"
 
 #if defined(FaceliftIPCCommonLib_LIBRARY)
diff --git a/src/model/InterfaceBase.cpp b/src/model/InterfaceBase.cpp
index 2ee8988f..780fc9e1 100644
--- a/src/model/InterfaceBase.cpp
+++ b/src/model/InterfaceBase.cpp
@@ -45,7 +45,7 @@ void InterfaceBase::setComponentCompleted() {
     }
 }
 
-void registerInterfaceImplementationInstance(InterfaceBase & i)
+void registerInterfaceImplementationInstance(InterfaceBase&)
 {
 }
 
diff --git a/src/model/InterfaceBase.h b/src/model/InterfaceBase.h
index 08d08fcc..161f912b 100644
--- a/src/model/InterfaceBase.h
+++ b/src/model/InterfaceBase.h
@@ -106,7 +106,7 @@ class FaceliftModelLib_EXPORT InterfaceBase : public QObject
 
 };
 
-FaceliftModelLib_EXPORT void registerInterfaceImplementationInstance(InterfaceBase & i);
+FaceliftModelLib_EXPORT void registerInterfaceImplementationInstance(InterfaceBase&);
 
 }