diff --git a/firmware/console/binary/tunerstudio_io.h b/firmware/console/binary/tunerstudio_io.h
index c64a8c2a1d..d665ed30f7 100644
--- a/firmware/console/binary/tunerstudio_io.h
+++ b/firmware/console/binary/tunerstudio_io.h
@@ -121,8 +121,6 @@ protected:
 #endif // HAL_USE_UART
 
 #define CRC_VALUE_SIZE 4
-// todo: double-check this
-#define CRC_WRAPPING_SIZE (CRC_VALUE_SIZE + 3)
 
 // that's 1 second
 #define BINARY_IO_TIMEOUT TIME_MS2I(1000)