diff --git a/qt-ui/completionmodels.cpp b/qt-ui/completionmodels.cpp
index a72c1a6c5..8bd4f5441 100644
--- a/qt-ui/completionmodels.cpp
+++ b/qt-ui/completionmodels.cpp
@@ -1,6 +1,5 @@
 #include "completionmodels.h"
 #include "dive.h"
-#include <boost/graph/graph_concepts.hpp>
 
 #define CREATE_SINGLETON(X) \
 X* X::instance() \