diff --git a/g13d/CMakeLists.txt b/g13d/CMakeLists.txt
index 6af2527..d67475f 100644
--- a/g13d/CMakeLists.txt
+++ b/g13d/CMakeLists.txt
@@ -18,7 +18,6 @@ add_executable(g13d
   lcd.cc
   main.cc
   stick.cc
-  helper.cc
   manager.cc
 )