diff --git a/libs/model/src/main/kotlin/de/cyface/model/Activation.kt b/libs/model/src/main/kotlin/de/cyface/model/Activation.kt
deleted file mode 100644
index 724bd4c..0000000
--- a/libs/model/src/main/kotlin/de/cyface/model/Activation.kt
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Copyright 2023 Cyface GmbH
- *
- * This file is part of the Serialization.
- *
- * The Serialization is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * The Serialization is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Serialization. If not, see <http://www.gnu.org/licenses/>.
- */
-package de.cyface.model
-
-/**
- * E-Mail Activation templates which the client can choose from during account registration.
- *
- * This allows to white-label the activation emails and adjust the activation link (native activation).
- *
- * @author Armin Schnabel
- * @version 1.0.0
- * @since 1.0.0
- */
-@Suppress("unused") // Part of the API
-enum class Activation {
-    CYFACE_ANDROID,
-    CYFACE_IOS,
-    CYFACE_WEB,
-    R4R_ANDROID,
-    R4R_IOS,
-    R4R_WEB
-}
\ No newline at end of file