diff --git a/src/backend/nodes/readfuncs.c b/src/backend/nodes/readfuncs.c
index aba8b11f364..d79af6e56ec 100644
--- a/src/backend/nodes/readfuncs.c
+++ b/src/backend/nodes/readfuncs.c
@@ -37,7 +37,6 @@
 #include "nodes/parsenodes.h"
 #include "nodes/plannodes.h"
 #include "nodes/readfuncs.h"
-#include "utils/builtins.h"
 
 
 /*