diff --git a/src/calibre/utils/windows/winspeech.py b/src/calibre/utils/windows/winspeech.py
index 6a29a217c4..7ad865bb52 100644
--- a/src/calibre/utils/windows/winspeech.py
+++ b/src/calibre/utils/windows/winspeech.py
@@ -4,7 +4,6 @@
 
 import json
 import sys
-import time
 from contextlib import closing
 from queue import Queue
 from threading import Thread