diff --git a/qgroundcontrol.pro b/qgroundcontrol.pro
index 8689eb6..3d14a66 100644
--- a/qgroundcontrol.pro
+++ b/qgroundcontrol.pro
@@ -437,7 +437,6 @@ SOURCES += src/main.cc \
     src/uas/UASManager.cc \
     src/uas/UAS.cc \
     src/comm/LinkManager.cc \
-    src/comm/LinkInterface.cpp \
     src/comm/SerialLink.cc \
     src/comm/MAVLinkProtocol.cc \
     src/comm/QGCFlightGearLink.cc \