diff --git a/sql/structs.h b/sql/structs.h
index 5cc392c33b7..1aa26eec4eb 100644
--- a/sql/structs.h
+++ b/sql/structs.h
@@ -148,9 +148,6 @@ typedef struct st_key {
   */
   Index_statistics *collected_stats;
  
-  union {
-    int  bdb_return_if_eq;
-  } handler;
   TABLE *table;
   LEX_CSTRING comment;
   /** reference to the list of options or NULL */