diff --git a/src/backend/libpq/be-secure-gssapi.c b/src/backend/libpq/be-secure-gssapi.c
index ba8c0cd0f0..92f39c113a 100644
--- a/src/backend/libpq/be-secure-gssapi.c
+++ b/src/backend/libpq/be-secure-gssapi.c
@@ -19,7 +19,6 @@
 #include "libpq/auth.h"
 #include "libpq/be-gssapi-common.h"
 #include "libpq/libpq.h"
-#include "libpq/libpq-be.h"
 #include "libpq/pqformat.h"
 #include "miscadmin.h"
 #include "pgstat.h"