diff --git a/app/src/main/res/drawable/ic_arrow_back.xml b/app/src/main/res/drawable/ic_arrow_back.xml
deleted file mode 100644
index cd06f3098..000000000
--- a/app/src/main/res/drawable/ic_arrow_back.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-
-
-
diff --git a/app/src/main/res/layout/activity_about.xml b/app/src/main/res/layout/activity_about.xml
index cd1c8d626..d2e672cd9 100644
--- a/app/src/main/res/layout/activity_about.xml
+++ b/app/src/main/res/layout/activity_about.xml
@@ -13,7 +13,7 @@
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
- app:navigationIcon="@drawable/ic_arrow_back"
+ app:navigationIcon="?homeAsUpIndicator"
app:title="@string/about" />