diff --git a/cmdline/opendevice.o b/cmdline/opendevice.o
deleted file mode 100644
index 559099b..0000000
Binary files a/cmdline/opendevice.o and /dev/null differ
diff --git a/cmdline/set-led.o b/cmdline/set-led.o
deleted file mode 100644
index cdb20b8..0000000
Binary files a/cmdline/set-led.o and /dev/null differ
diff --git a/firmware/main.c b/firmware/main.c
index 9ba01cd..b954f4d 100644
--- a/firmware/main.c
+++ b/firmware/main.c
@@ -48,27 +48,27 @@ void softinit() {
 
 usbMsgLen_t usbFunctionSetup(uchar data[8]) {
   usbRequest_t    *rq = (void *)data;
-  static uchar    dataBuffer[4];  /* buffer must stay valid when usbFunctionSetup returns */
+  static uchar    dataBuffer[4];
 
-  if(rq->bRequest == 1){ /* echo -- used for reliability tests */
+  if(rq->bRequest == 1){
     dataBuffer[0] = (thermoData [0] & 0xff00)>>8;
     dataBuffer[1] = thermoData [0] & 0x00ff;
     dataBuffer[2] = (thermoData [1] & 0xff00)>>8;
     dataBuffer[3] = thermoData [1] & 0x00ff;
-    usbMsgPtr = dataBuffer;         /* tell the driver which data to return */
+    usbMsgPtr = dataBuffer;
     return 4;
   }
 
-  if(rq->bRequest == 2){ /* echo -- used for reliability tests */
+  if(rq->bRequest == 2){
     dataBuffer[0] = (thermoData [2] & 0xff00)>>8;
     dataBuffer[1] = thermoData [2] & 0x00ff;
     dataBuffer[2] = (thermoData [3] & 0xff00)>>8;
     dataBuffer[3] = thermoData [3] & 0x00ff;
-    usbMsgPtr = dataBuffer;         /* tell the driver which data to return */
+    usbMsgPtr = dataBuffer;
     return 4;
   }
 
-  return 0;   /* default for not implemented requests: return no data back to host */
+  return 0;
 }
 
 void updateDisplay() {