diff --git a/src/mem/qos/QoSMemSinkInterface.py b/src/mem/qos/QoSMemSinkInterface.py
index 37ddf788da..9b3b89e892 100644
--- a/src/mem/qos/QoSMemSinkInterface.py
+++ b/src/mem/qos/QoSMemSinkInterface.py
@@ -38,6 +38,7 @@ from m5.objects.AbstractMemory import AbstractMemory
 class QoSMemSinkInterface(AbstractMemory):
     type = 'QoSMemSinkInterface'
     cxx_header = "mem/qos/mem_sink.hh"
+    cxx_class = 'qos::MemSinkInterface'
 
     def controller(self):
         """
diff --git a/src/mem/qos/mem_sink.cc b/src/mem/qos/mem_sink.cc
index 98a5e3f250..f9be06c2b3 100644
--- a/src/mem/qos/mem_sink.cc
+++ b/src/mem/qos/mem_sink.cc
@@ -386,9 +386,9 @@ MemSinkCtrl::MemoryPort::recvTimingReq(PacketPtr pkt)
     return mem.recvTimingReq(pkt);
 }
 
-} // namespace qos
-
-QoSMemSinkInterface::QoSMemSinkInterface(const QoSMemSinkInterfaceParams &_p)
+MemSinkInterface::MemSinkInterface(const QoSMemSinkInterfaceParams &_p)
     : AbstractMemory(_p)
 {
 }
+
+} // namespace qos
diff --git a/src/mem/qos/mem_sink.hh b/src/mem/qos/mem_sink.hh
index 3c229ec450..247db22eb6 100644
--- a/src/mem/qos/mem_sink.hh
+++ b/src/mem/qos/mem_sink.hh
@@ -52,12 +52,13 @@
 #include "sim/eventq.hh"
 
 struct QoSMemSinkInterfaceParams;
-class QoSMemSinkInterface;
 
 GEM5_DEPRECATED_NAMESPACE(QoS, qos);
 namespace qos
 {
 
+class MemSinkInterface;
+
 /**
  * QoS Memory Sink
  *
@@ -177,7 +178,7 @@ class MemSinkCtrl : public MemCtrl
     /**
      * Create pointer to interface of actual media
      */
-    QoSMemSinkInterface* const interface;
+    MemSinkInterface* const interface;
 
     /** Read request pending */
     bool retryRdReq;
@@ -262,19 +263,18 @@ class MemSinkCtrl : public MemCtrl
     MemSinkCtrlStats stats;
 };
 
-} // namespace qos
-
-class QoSMemSinkInterface : public AbstractMemory
+class MemSinkInterface : public AbstractMemory
 {
   public:
     /** Setting a pointer to the interface */
-    void setMemCtrl(qos::MemSinkCtrl* _ctrl) { ctrl = _ctrl; };
+    void setMemCtrl(MemSinkCtrl* _ctrl) { ctrl = _ctrl; };
 
     /** Pointer to the controller */
-    qos::MemSinkCtrl* ctrl;
+    MemSinkCtrl* ctrl;
 
-    QoSMemSinkInterface(const QoSMemSinkInterfaceParams &_p);
+    MemSinkInterface(const QoSMemSinkInterfaceParams &_p);
 };
 
+} // namespace qos
 
 #endif /* __MEM_QOS_MEM_SINK_HH__ */