diff --git a/c_mpos/micropython.cmake b/c_mpos/micropython.cmake
index 1b3a181a..e2c80627 100644
--- a/c_mpos/micropython.cmake
+++ b/c_mpos/micropython.cmake
@@ -7,7 +7,6 @@ add_library(usermod_c_mpos INTERFACE)
 set(MPOS_C_INCLUDES)
 
 set(MPOS_C_SOURCES
-    ${CMAKE_CURRENT_LIST_DIR}/src/hello_world.c
     ${CMAKE_CURRENT_LIST_DIR}/src/quirc_decode.c
     ${CMAKE_CURRENT_LIST_DIR}/quirc/lib/identify.c
     ${CMAKE_CURRENT_LIST_DIR}/quirc/lib/version_db.c