+ (setf (lambda-lets home) (delete clambda (lambda-lets home))))
+ ;; KLUDGE: In presence of NLEs we cannot always understand that
+ ;; LET's BIND dominates its body [for a LET "its" body is not
+ ;; quite its]; let's delete too dangerous for IR2 stuff. --
+ ;; APD, 2004-01-01
+ (dolist (var (lambda-vars clambda))
+ (flet ((delete-node (node)
+ (mark-for-deletion (node-block node))))
+ (mapc #'delete-node (leaf-refs var))
+ (mapc #'delete-node (lambda-var-sets var)))))