diff --git a/app/src/main/java/io/legado/app/ui/book/toc/TocActivity.kt b/app/src/main/java/io/legado/app/ui/book/toc/TocActivity.kt
index 3befe0974..b3d1bec02 100644
--- a/app/src/main/java/io/legado/app/ui/book/toc/TocActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/toc/TocActivity.kt
@@ -11,7 +11,6 @@ import android.text.Spannable
 import android.text.SpannableString
 import android.text.style.AbsoluteSizeSpan
 import android.text.style.ForegroundColorSpan
-import android.text.style.RelativeSizeSpan
 import android.text.style.StyleSpan
 import android.view.Menu
 import android.view.MenuItem