diff --git a/src/map/IMG/trefile.cpp b/src/map/IMG/trefile.cpp
index 533607ca..7ad8659e 100644
--- a/src/map/IMG/trefile.cpp
+++ b/src/map/IMG/trefile.cpp
@@ -329,13 +329,3 @@ QList<SubDiv*> TREFile::subdivs(const RectC &rect, int bits,
 
 	return list;
 }
-
-#ifndef QT_NO_DEBUG
-QDebug IMG::operator<<(QDebug dbg, const TREFile::MapLevel &level)
-{
-	dbg.nospace() << "MapLevel(" << level.level << "," << level.bits << ", "
-	  << level.subdivs << ")";
-
-	return dbg.space();
-}
-#endif // QT_NO_DEBUG
diff --git a/src/map/IMG/trefile.h b/src/map/IMG/trefile.h
index 4161a807..991515c0 100644
--- a/src/map/IMG/trefile.h
+++ b/src/map/IMG/trefile.h
@@ -42,8 +42,6 @@ private:
 	};
 	typedef RTree<SubDiv*, double, 2> SubDivTree;
 
-	friend QDebug operator<<(QDebug dbg, const MapLevel &level);
-
 	bool load(int idx);
 	int level(int bits, const Range &baseMap);
 	int readExtEntry(Handle &hdl, quint32 &polygons, quint32 &lines,
@@ -59,9 +57,6 @@ private:
 	QMap<int, SubDivTree*> _subdivs;
 };
 
-#ifndef QT_NO_DEBUG
-QDebug operator<<(QDebug dbg, const TREFile::MapLevel &level);
-#endif // QT_NO_DEBUG
 }
 
 #endif // IMG_TREFILE_H