diff --git a/libraries/AP_OpticalFlow/examples/AP_OpticalFlow_test/make.inc b/libraries/AP_OpticalFlow/examples/AP_OpticalFlow_test/make.inc
index f1901107dd..9a70c94fe3 100644
--- a/libraries/AP_OpticalFlow/examples/AP_OpticalFlow_test/make.inc
+++ b/libraries/AP_OpticalFlow/examples/AP_OpticalFlow_test/make.inc
@@ -1,5 +1,4 @@
 LIBRARIES += AP_ADC
-LIBRARIES += AP_ADC_AnalogSource
 LIBRARIES += AP_AHRS
 LIBRARIES += AP_Airspeed
 LIBRARIES += AP_Baro