diff --git a/plugin/auth/config.go b/plugin/auth/config.go
index 38f8abf86..087241da3 100644
--- a/plugin/auth/config.go
+++ b/plugin/auth/config.go
@@ -6,9 +6,16 @@ import (
 	"strings"
 
 	"github.com/evcc-io/evcc/util"
+	reg "github.com/evcc-io/evcc/util/registry"
 	"golang.org/x/oauth2"
 )
 
+var registry = reg.New[oauth2.TokenSource]("auth")
+
+func Register(typ string, fun func(map[string]any) (oauth2.TokenSource, error)) {
+	registry.Add(typ, fun)
+}
+
 // NewFromConfig creates auth from configuration
 func NewFromConfig(ctx context.Context, typ string, other map[string]any) (oauth2.TokenSource, error) {
 	factory, err := registry.Get(strings.ToLower(typ))
diff --git a/plugin/auth/registry.go b/plugin/auth/registry.go
deleted file mode 100644
index 63c694370..000000000
--- a/plugin/auth/registry.go
+++ /dev/null
@@ -1,12 +0,0 @@
-package auth
-
-import (
-	reg "github.com/evcc-io/evcc/util/registry"
-	"golang.org/x/oauth2"
-)
-
-var registry = reg.New[oauth2.TokenSource]("auth")
-
-func Register(typ string, fun func(map[string]any) (oauth2.TokenSource, error)) {
-	registry.Add(typ, fun)
-}