diff --git a/src/backend/postmaster/autovacuum.c b/src/backend/postmaster/autovacuum.c
index 75c2362f46..702f8d8188 100644
--- a/src/backend/postmaster/autovacuum.c
+++ b/src/backend/postmaster/autovacuum.c
@@ -94,7 +94,6 @@
 #include "storage/sinvaladt.h"
 #include "storage/smgr.h"
 #include "tcop/tcopprot.h"
-#include "utils/dsa.h"
 #include "utils/fmgroids.h"
 #include "utils/fmgrprotos.h"
 #include "utils/lsyscache.h"