diff --git a/radio/src/CMakeLists.txt b/radio/src/CMakeLists.txt
index 7df95f91da..5c343313cc 100644
--- a/radio/src/CMakeLists.txt
+++ b/radio/src/CMakeLists.txt
@@ -12,7 +12,6 @@ set(TRANSLATIONS "EN" CACHE STRING "Radio language, one of: ${GUI_LANGUAGES}")
 set_property(CACHE TRANSLATIONS PROPERTY STRINGS ${GUI_LANGUAGES})
 set(SPLASH "DEFAULT" CACHE STRING "Splash (DEFAULT/OFF/FRSKY)")
 set_property(CACHE SPLASH PROPERTY STRINGS DEFAULT OFF FRSKY)
-set_property(CACHE PPM_UNIT PROPERTY STRINGS US PERCENT_PREC1 PERCENT_PREC0)
 set(DEFAULT_MODE "" CACHE STRING "Default sticks mode")
 set(FONT "STD" CACHE STRING "Choose font : STD or SQT5")
 set_property(CACHE FONT PROPERTY STRINGS SQT5)