diff --git a/client/src/components/book-navigation/BookNavigation.vue b/client/src/components/book-navigation/BookNavigation.vue
deleted file mode 100644
index 37ce60dc..00000000
--- a/client/src/components/book-navigation/BookNavigation.vue
+++ /dev/null
@@ -1,31 +0,0 @@
-<template>
-  <aside class="sub-navigation">
-    <sub-navigation-item title="Themen">
-      <book-topic-navigation/>
-    </sub-navigation-item>
-    <router-link
-      :to="{name: 'instrument-overview'}"
-      active-class="sub-navigation-item--active"
-      class="sub-navigation-item">
-      <span class="sub-navigation-item__title">Instrumente</span>
-    </router-link>
-
-    <!--<sub-navigation-item title="News">-->
-    <!--<template slot="title">-->
-    <!--<h2 class="sub-navigation__title" slot="title">ABU News</h2>-->
-    <!--</template>-->
-    <!--</sub-navigation-item>-->
-  </aside>
-</template>
-
-<script>
-  import SubNavigationItem from '@/components/book-navigation/SubNavigationItem';
-  import BookTopicNavigation from '@/components/book-navigation/BookTopicNavigation';
-
-  export default {
-    components: {
-      SubNavigationItem,
-      BookTopicNavigation
-    }
-  }
-</script>
diff --git a/client/src/components/book-navigation/MobileSubnavigation.vue b/client/src/components/book-navigation/MobileSubnavigation.vue
deleted file mode 100644
index be1e87c7..00000000
--- a/client/src/components/book-navigation/MobileSubnavigation.vue
+++ /dev/null
@@ -1,47 +0,0 @@
-<template>
-  <div class="mobile-subnavigation">
-    <div class="mobile-subnavigation__section">
-      <h3 class="mobile-subnavigation__title">Themen</h3>
-      <book-topic-navigation :mobile="true"/>
-    </div>
-
-    <div class="mobile-subnavigation__section">
-      <router-link
-        :to="{name: 'instrument-overview'}"
-        class="sub-navigation-item book-subnavigation">
-        <span class="sub-navigation-item__title book-subnavigation__item--mobile book-subnavigation__item">
-          Instrumente
-        </span>
-      </router-link>
-    </div>
-
-  </div>
-</template>
-
-<script>
-  import BookTopicNavigation from '@/components/book-navigation/BookTopicNavigation';
-
-  export default {
-    components: {
-      BookTopicNavigation
-    },
-  }
-</script>
-
-<style scoped lang="scss">
-  @import "@/styles/_variables.scss";
-  @import "@/styles/_mixins.scss";
-
-  .mobile-subnavigation {
-    &__title {
-      @include small-text;
-      color: rgba($color-white, 0.6);
-
-      margin-bottom: $small-spacing;
-    }
-
-    &__section {
-      margin-bottom: $medium-spacing;
-    }
-  }
-</style>