diff --git a/src/tribler-common/tribler_common/sentry_reporter/sentry_tools.py b/src/tribler-common/tribler_common/sentry_reporter/sentry_tools.py
index ca60380fccb..e6880555a1b 100644
--- a/src/tribler-common/tribler_common/sentry_reporter/sentry_tools.py
+++ b/src/tribler-common/tribler_common/sentry_reporter/sentry_tools.py
@@ -1,7 +1,6 @@
 """ This a collection of tools for SentryReporter and SentryScrubber aimed to
 simplify work with several data structures.
 """
-from collections import defaultdict
 
 
 def parse_os_environ(array):