diff --git a/src/test/test-fileio.c b/src/test/test-fileio.c
index ac86d6d588..de95a1433f 100644
--- a/src/test/test-fileio.c
+++ b/src/test/test-fileio.c
@@ -6,7 +6,6 @@
 
 #include "alloc-util.h"
 #include "ctype.h"
-#include "def.h"
 #include "env-util.h"
 #include "fd-util.h"
 #include "fileio.h"