diff --git a/plugins/USBPrinting/PrinterConnection.py b/plugins/USBPrinting/PrinterConnection.py
index c19603c945..d28324b71c 100644
--- a/plugins/USBPrinting/PrinterConnection.py
+++ b/plugins/USBPrinting/PrinterConnection.py
@@ -8,7 +8,6 @@ import time
 import queue
 import re
 import functools
-import os
 import os.path
 
 from UM.Application import Application
diff --git a/plugins/USBPrinting/USBPrinterManager.py b/plugins/USBPrinting/USBPrinterManager.py
index 3a2beab0c8..e9b3763413 100644
--- a/plugins/USBPrinting/USBPrinterManager.py
+++ b/plugins/USBPrinting/USBPrinterManager.py
@@ -19,7 +19,6 @@ import threading
 import platform
 import glob
 import time
-import os
 import os.path
 import sys
 from UM.Extension import Extension