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-rw-r--r--sql/item_subselect.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/sql/item_subselect.h b/sql/item_subselect.h
index 46623f76170..5b22930ae1f 100644
--- a/sql/item_subselect.h
+++ b/sql/item_subselect.h
@@ -26,7 +26,6 @@ class JOIN;
class select_subselect;
class subselect_engine;
class Item_bool_func2;
-class Item_arena;
/* base class for subselects */