diff --git a/src/backend/Makefile b/src/backend/Makefile
index 6adfa3fc140..bed086c6f79 100644
--- a/src/backend/Makefile
+++ b/src/backend/Makefile
@@ -281,7 +281,8 @@ ifeq ($(PORTNAME), win32)
 endif
 
 distclean: clean
-	rm -f port/tas.s port/dynloader.c port/pg_sema.c port/pg_shmem.c
+	rm -f port/tas.s port/dynloader.c port/pg_sema.c port/pg_shmem.c \
+	      port/pg_latch.c
 
 maintainer-clean: distclean
 	rm -f bootstrap/bootparse.c \