diff --git a/errors.go b/errors.go
deleted file mode 100644
index 332f8cf..0000000
--- a/errors.go
+++ /dev/null
@@ -1,9 +0,0 @@
-package model
-
-import "git.milar.in/milarin/adverr"
-
-var (
-	ErrFeatureAlreadyCreated = adverr.NewErrTmpl("ErrFeatureAlreadyCreated", "duplicate feature: '%s'")
-	ErrFeatureWithoutValue   = adverr.NewErrTmpl("ErrFeatureWithoutValue", "feature needs a value: '%s'")
-	ErrInvalidFeatureValue   = adverr.NewErrTmpl("ErrInvalidFeatureValue", "feature needs a value of type %s")
-)