diff --git a/SW/PC/Stopwatch/main.py b/SW/PC/Stopwatch/main.py
index 73e21fd..0c846d4 100644
--- a/SW/PC/Stopwatch/main.py
+++ b/SW/PC/Stopwatch/main.py
@@ -2,9 +2,6 @@ import gi
 import threading
 import time
 import datetime
-import collections
-import usb.core
-import usb.util
 import requests
 import json
 
diff --git a/SW/PC/Stopwatch/registrace.py b/SW/PC/Stopwatch/registrace.py
index ed51401..6e69451 100644
--- a/SW/PC/Stopwatch/registrace.py
+++ b/SW/PC/Stopwatch/registrace.py
@@ -2,10 +2,7 @@ import sys
 import datetime
 import requests
 import threading
-import time
 import json
-import usb.core
-import usb.util
 from PyQt6 import QtWidgets, uic, QtGui, QtCore
 from PyQt6.QtCore import pyqtSignal as Signal, pyqtSlot as Slot
 from queue import Queue