diff --git a/Makefile b/Makefile
index bbac9a69..cb0e71aa 100755
--- a/Makefile
+++ b/Makefile
@@ -63,7 +63,6 @@ DEFINES   += MAJOR_VERSION=$(APPVERSION_M) MINOR_VERSION=$(APPVERSION_N) PATCH_V
 
 DEFINES   += USB_SEGMENT_SIZE=64
 DEFINES   += BLE_SEGMENT_SIZE=32 #max MTU, min 20
-DEFINES   += UNUSED\(x\)=\(void\)x
 DEFINES   += APPVERSION=\"$(APPVERSION)\"
 
 DEFINES   += HAVE_WEBUSB WEBUSB_URL_SIZE_B=0 WEBUSB_URL=""