diff --git a/CMakeLists.txt b/CMakeLists.txt
index ed3a719..d2f9357 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,7 +42,6 @@ file(GLOB SRCFILES
         lib/ESP32_BLE_Arduino-1.0.1/src/*.h
         lib/WiFiManager/WiFiManager.cpp
         lib/Crc16/Crc16.h
-        lib/nuki_ble/src/NukiTimeout.cpp
         lib/nuki_ble/src/NukiBle.cpp
         lib/nuki_ble/src/NukiOpener.cpp
         lib/nuki_ble/src/NukiConstants.h