diff --git a/src/bhyve/bhyve_domain.c b/src/bhyve/bhyve_domain.c
index e422fffb37..79cf103d28 100644
--- a/src/bhyve/bhyve_domain.c
+++ b/src/bhyve/bhyve_domain.c
@@ -232,8 +232,8 @@ bhyveDomainDefNamespaceParse(xmlDocPtr xml ATTRIBUTE_UNUSED,
 }
 
 static int
-bhyveDomainDefNamespaceFormatXML(virBufferPtr buf ATTRIBUTE_UNUSED,
-                                void *nsdata)
+bhyveDomainDefNamespaceFormatXML(virBufferPtr buf,
+                                 void *nsdata)
 {
     bhyveDomainCmdlineDefPtr cmd = nsdata;
     size_t i;