diff --git a/tests/libqos/pci-pc.c b/tests/libqos/pci-pc.c
index 4adf4006aedd713041b8962a307804ff468832c5..f5d646984ce271176109e2c44ba5b42cd87c2f9f 100644
--- a/tests/libqos/pci-pc.c
+++ b/tests/libqos/pci-pc.c
@@ -237,3 +237,10 @@ QPCIBus *qpci_init_pc(void)
 
     return &ret->bus;
 }
+
+void qpci_free_pc(QPCIBus *bus)
+{
+    QPCIBusPC *s = container_of(bus, QPCIBusPC, bus);
+
+    g_free(s);
+}
diff --git a/tests/libqos/pci-pc.h b/tests/libqos/pci-pc.h
index 4f7475f6f75a78bbe50fe7563b53c6b5bd8ff221..26211790cd19af6c5bc028cb628b35435387ace5 100644
--- a/tests/libqos/pci-pc.h
+++ b/tests/libqos/pci-pc.h
@@ -16,5 +16,6 @@
 #include "libqos/pci.h"
 
 QPCIBus *qpci_init_pc(void);
+void     qpci_free_pc(QPCIBus *bus);
 
 #endif