diff --git a/server/red-qxl.c b/server/red-qxl.c
index fbce510e..c8e1378a 100644
--- a/server/red-qxl.c
+++ b/server/red-qxl.c
@@ -657,12 +657,6 @@ static void qxl_worker_loadvm_commands(QXLWorker *qxl_worker,
     red_qxl_loadvm_commands(qxl_state, ext, count);
 }
 
-void red_qxl_set_mm_time(QXLInstance *qxl, uint32_t mm_time)
-{
-    QXLInterface *interface = qxl_get_interface(qxl);
-    interface->set_mm_time(qxl, mm_time);
-}
-
 void red_qxl_attach_worker(QXLInstance *qxl)
 {
     QXLInterface *interface = qxl_get_interface(qxl);
diff --git a/server/red-qxl.h b/server/red-qxl.h
index c7996e28..b1ebbe1f 100644
--- a/server/red-qxl.h
+++ b/server/red-qxl.h
@@ -26,7 +26,6 @@ typedef struct AsyncCommand AsyncCommand;
 
 void red_qxl_init(SpiceServer *reds, QXLInstance *qxl);
 
-void red_qxl_set_mm_time(QXLInstance *qxl, uint32_t);
 void red_qxl_on_ic_change(QXLInstance *qxl, SpiceImageCompression ic);
 void red_qxl_on_sv_change(QXLInstance *qxl, int sv);
 void red_qxl_set_mouse_mode(QXLInstance *qxl, uint32_t mode);