diff --git a/qgroundcontrol.pro b/qgroundcontrol.pro
index 42942e850dfd43282bb6871bf26c3a3d8f9b1727..a7f731be50963e49d5a48a2d4b9e62063e2f0703 100644
--- a/qgroundcontrol.pro
+++ b/qgroundcontrol.pro
@@ -875,8 +875,6 @@ win32-msvc2008|win32-msvc2010|win32-msvc2012 {
     DEFINES += MOUSE_ENABLED_WIN
 }
 
-unix:!macx:!symbian: LIBS += -losg
-
 OTHER_FILES += \
     dongfang_notes.txt \
     src/ui/dongfang-scrapyard.txt \