diff --git a/libraries/AP_OpticalFlow/examples/AP_OpticalFlow_test/AP_OpticalFlow_test.pde b/libraries/AP_OpticalFlow/examples/AP_OpticalFlow_test/AP_OpticalFlow_test.pde
index aec1a24bda..110ab55173 100644
--- a/libraries/AP_OpticalFlow/examples/AP_OpticalFlow_test/AP_OpticalFlow_test.pde
+++ b/libraries/AP_OpticalFlow/examples/AP_OpticalFlow_test/AP_OpticalFlow_test.pde
@@ -21,7 +21,7 @@
 FastSerialPort0(Serial);        // FTDI/console
 
 AP_OpticalFlow_ADNS3080 flowSensor;
-//AP_OpticalFlow_ADNS3080 flowSensor(A6);  // override chip select pin to use A6 if using APM2
+//AP_OpticalFlow_ADNS3080 flowSensor(A3);  // override chip select pin to use A3 if using APM2
 
 void setup()
 {  
@@ -110,7 +110,6 @@ void display_config()
 void set_frame_rate()
 {
     int value;
-	byte extConfig;
 	
 	// frame rate
 	Serial.print("frame rate:     ");
@@ -196,7 +195,6 @@ void display_image_continuously()
 void set_resolution()
 {
     int value;
-	byte reg;
     int resolution = flowSensor.get_resolution();
     Serial.print("resolution: ");
 	Serial.println(resolution);
@@ -231,7 +229,6 @@ void set_resolution()
 void set_shutter_speed()
 {
     int value;
-	byte extConfig;
 	
 	// shutter speed
 	Serial.print("shutter speed:     ");
@@ -300,7 +297,6 @@ void set_shutter_speed()
 //
 void display_motion()
 {
-    int value;
     boolean first_time = true;
     Serial.flush();
 	
@@ -317,20 +313,18 @@ void display_motion()
 		    Serial.println("overflow!!");
 
 		// x,y,squal
-		//if( flowSensor.motion() || first_time ) {
-			Serial.print("x/dx: ");
-			Serial.print(flowSensor.x,DEC);
-			Serial.print("/");
-			Serial.print(flowSensor.dx,DEC);
-			Serial.print("\ty/dy: ");
-			Serial.print(flowSensor.y,DEC);
-			Serial.print("/");
-			Serial.print(flowSensor.dy,DEC);
-			Serial.print("\tsqual:");
-			Serial.print(flowSensor.surface_quality,DEC);		
-			Serial.println();
-			first_time = false;
-		//}
+		Serial.print("x/dx: ");
+		Serial.print(flowSensor.x,DEC);
+		Serial.print("/");
+		Serial.print(flowSensor.dx,DEC);
+		Serial.print("\ty/dy: ");
+		Serial.print(flowSensor.y,DEC);
+		Serial.print("/");
+		Serial.print(flowSensor.dy,DEC);
+		Serial.print("\tsqual:");
+		Serial.print(flowSensor.surface_quality,DEC);
+		Serial.println();
+		first_time = false;
 		
 		// short delay
 		delay(100);