diff --git a/src/backend/columnar/mod.c b/src/backend/columnar/mod.c
index cb52b3c22..4c3427771 100644
--- a/src/backend/columnar/mod.c
+++ b/src/backend/columnar/mod.c
@@ -25,7 +25,6 @@
 PG_MODULE_MAGIC;
 
 void _PG_init(void);
-void _PG_fini(void);
 
 void
 _PG_init(void)