diff --git a/database/gdb/gdb_core.go b/database/gdb/gdb_core.go
index 5a63e285c..7b76f5dca 100644
--- a/database/gdb/gdb_core.go
+++ b/database/gdb/gdb_core.go
@@ -111,6 +111,7 @@ func (c *Core) Close(ctx context.Context) (err error) {
 				if err != nil {
 					return
 				}
+				delete(m, k)
 			}
 		}
 	})