diff --git a/src/calibre/gui2/tweak_book/preview.py b/src/calibre/gui2/tweak_book/preview.py
index d126a670f6..64645e94b5 100644
--- a/src/calibre/gui2/tweak_book/preview.py
+++ b/src/calibre/gui2/tweak_book/preview.py
@@ -4,7 +4,6 @@
 
 
 import json
-import textwrap
 import time
 from collections import defaultdict
 from functools import partial