diff --git a/hw/nvram/xlnx-efuse.c b/hw/nvram/xlnx-efuse.c
index 655c40b8d1..f7b849f7de 100644
--- a/hw/nvram/xlnx-efuse.c
+++ b/hw/nvram/xlnx-efuse.c
@@ -224,6 +224,13 @@ static void efuse_realize(DeviceState *dev, Error **errp)
     }
 }
 
+static void efuse_finalize(Object *obj)
+{
+    XlnxEFuse *s = XLNX_EFUSE(obj);
+
+    g_free(s->ro_bits);
+}
+
 static void efuse_prop_set_drive(Object *obj, Visitor *v, const char *name,
                                  void *opaque, Error **errp)
 {
@@ -280,6 +287,7 @@ static const TypeInfo efuse_info = {
     .name          = TYPE_XLNX_EFUSE,
     .parent        = TYPE_DEVICE,
     .instance_size = sizeof(XlnxEFuse),
+    .instance_finalize = efuse_finalize,
     .class_init    = efuse_class_init,
 };