diff --git a/src/util/virbuffer.h b/src/util/virbuffer.h
index 8bf6bee644..1c8e182064 100644
--- a/src/util/virbuffer.h
+++ b/src/util/virbuffer.h
@@ -119,6 +119,4 @@ int virBufferGetIndent(const virBuffer *buf, bool dynamic);
 void virBufferTrim(virBufferPtr buf, const char *trim, int len);
 void virBufferAddStr(virBufferPtr buf, const char *str);
 
-VIR_DEFINE_AUTOPTR_FUNC(virBuffer, virBufferFreeAndReset);
-
 #endif /* LIBVIRT_VIRBUFFER_H */