diff --git a/src/MyRS485.py b/src/MyRS485.py
index 42a8199..96e8d81 100644
--- a/src/MyRS485.py
+++ b/src/MyRS485.py
@@ -1,5 +1,4 @@
 import serial
-import ctypes
 import wiringpi
 import array
 import fcntl