diff --git a/f.sql b/f.sql
deleted file mode 100644
index 37033b0ee..000000000
--- a/f.sql
+++ /dev/null
@@ -1,25 +0,0 @@
-SELECT *
-from
-    values
-      (10,'a0'),
-      (15,'a8'),
-      (20,'a1'),
-      (25,'a7'),
-      (30,'a2'),
-      (35,'a6'),
-      (40,'a3'),
-      (45,'a5'),
-      (50,'a4'),
-      (null,'a_null')
-      l (a,sa)
-left join
-    values
-      (20,'b20.1'),
-      (20,'b20.2'),
-      (40,'b40'),
-      (40,'b40.2'),
-      (60,'b60'),
-      (null,'b_null')
-      r (b,sb)
-on l.a = r.b
-order by a
diff --git a/o1.csup b/o1.csup
deleted file mode 100644
index 1ec299fc7..000000000
Binary files a/o1.csup and /dev/null differ
diff --git a/o2.csup b/o2.csup
deleted file mode 100644
index 88ec29b8d..000000000
Binary files a/o2.csup and /dev/null differ