diff --git a/owrx/source/hackrf.py b/owrx/source/hackrf.py
index 2e6b9b6..0f3855b 100644
--- a/owrx/source/hackrf.py
+++ b/owrx/source/hackrf.py
@@ -1,5 +1,5 @@
 from .direct import DirectSource
-from owrx.command import Flag, Option
+from owrx.command import Option
 
 
 class HackrfSource(DirectSource):