diff --git a/simgear/scene/tgdb/TileEntry.cxx b/simgear/scene/tgdb/TileEntry.cxx
index 0a33e326..f5f76d92 100644
--- a/simgear/scene/tgdb/TileEntry.cxx
+++ b/simgear/scene/tgdb/TileEntry.cxx
@@ -23,7 +23,6 @@
 #endif
 
 #include <simgear/compiler.h>
-#include <plib/ul.h>
 
 #include <string>
 #include <sstream>