diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 285fa6c4961bdb41d37c1ac7135f6fa9c331ea38..dc480bc7c5f5ac2b02eed7e0076a72ad2a31dd8a 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -3638,5 +3638,4 @@ bool
 virDomainGraphicsNeedsAutoRenderNode(const virDomainGraphicsDef *graphics);
 
 int
-virDomainCheckDeviceChanges(virDomainDefPtr def, virDomainDefPtr newDef)
-    ATTRIBUTE_NONNULL(2);
+virDomainCheckDeviceChanges(virDomainDefPtr def, virDomainDefPtr newDef);