diff --git a/app/src/main/res/menu/book_source.xml b/app/src/main/res/menu/book_source.xml
index 7ec60e1d6..3b4192d22 100644
--- a/app/src/main/res/menu/book_source.xml
+++ b/app/src/main/res/menu/book_source.xml
@@ -3,43 +3,6 @@
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools">
- -
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