diff --git a/tests/testtreesort.c b/tests/testtreesort.c
index 63c03bb25c..bbb9c747f6 100644
--- a/tests/testtreesort.c
+++ b/tests/testtreesort.c
@@ -21,8 +21,6 @@
 #include "config.h"
 #include <gtk/gtk.h>
 
-#include "gtk/gtktreedatalist.h"
-
 
 typedef struct _ListSort ListSort;
 struct _ListSort