diff --git a/.deadcode-out b/.deadcode-out
index 7d3763bf54..ce02d98689 100644
--- a/.deadcode-out
+++ b/.deadcode-out
@@ -305,6 +305,9 @@ package "code.gitea.io/gitea/modules/translation"
 package "code.gitea.io/gitea/modules/util/filebuffer"
 	func CreateFromReader
 
+package "code.gitea.io/gitea/modules/validation"
+	func IsErrNotValid
+
 package "code.gitea.io/gitea/modules/web"
 	func RouteMock
 	func RouteMockReset