diff --git a/pkgs/typed-racket-pkgs/typed-racket-lib/typed-racket/infer/infer-unit.rkt b/pkgs/typed-racket-pkgs/typed-racket-lib/typed-racket/infer/infer-unit.rkt
index 89352a2b..0113add5 100644
--- a/pkgs/typed-racket-pkgs/typed-racket-lib/typed-racket/infer/infer-unit.rkt
+++ b/pkgs/typed-racket-pkgs/typed-racket-lib/typed-racket/infer/infer-unit.rkt
@@ -21,6 +21,9 @@
          racket/match
          mzlib/etc
          (contract-req)
+         (for-syntax
+           racket/base
+           syntax/parse)
          unstable/sequence unstable/list unstable/hash
          racket/list)
 
@@ -154,6 +157,17 @@
 (struct uniform-end (type) #:transparent)
 (struct dotted-end (type bound) #:transparent)
 
+(define (Values->seq v)
+  (match v
+    [(Values: ts) (seq ts (null-end))]
+    [(ValuesDots: ts dty dbound) (seq ts (dotted-end (-result dty) dbound))]
+    [_ #f]))
+
+(define-match-expander ValuesSeq:
+  (lambda (stx)
+    (syntax-parse stx
+      [(_ seq) #'(app Values->seq (? values seq))])))
+
 
 ;; Maps dotted vars (combined with dotted types, to ensure global uniqueness)
 ;; to "fresh" symbols.
@@ -409,60 +423,9 @@
                         (cgen/filter-set V X Y f-s f-t)
                         (cgen/object V X Y o-s o-t))]
 
-          ;; values are covariant
-          [((Values: ss) (Values: ts))
-           #:return-unless (= (length ss) (length ts))
-           #f
-           (cgen/list V X Y ss ts)]
-
-          ;; this constrains `dbound' to be |ts| - |ss|
-          [((ValuesDots: ss s-dty dbound) (Values: ts))
-           #:return-unless (>= (length ts) (length ss)) #f
-           #:return-unless (memq dbound Y) #f
-
-           (let* ([vars     (var-store-take dbound s-dty (- (length ts) (length ss)))]
-                  ;; new-tys are dummy plain type variables, 
-                  ;; standing in for the elements of dbound that need to be generated
-                  [new-tys  (for/list ([var (in-list vars)])
-                              ;; must be a Result since we are matching these against
-                              ;; the contents of the `Values`, which are Results
-                              (-result (substitute (make-F var) dbound s-dty)))]
-                  ;; generate constraints on the prefixes, and on the dummy types
-                  [new-cset (cgen/list V (append vars X) Y (append ss new-tys) ts)])
-             ;; now take all the dummy types, and use them to constrain dbound appropriately
-             (% move-vars-to-dmap new-cset dbound vars))]
-
-          ;; like the case above, but constrains `dbound' to be |ss| - |ts|
-          [((Values: ss) (ValuesDots: ts t-dty dbound))
-           #:return-unless (>= (length ss) (length ts)) #f
-           #:return-unless (memq dbound Y) #f
-
-           ;; see comments for last case, this case swaps `s` and `t` order
-           (let* ([vars     (var-store-take dbound t-dty (- (length ss) (length ts)))]
-                  [new-tys  (for/list ([var (in-list vars)])
-                              (-result (substitute (make-F var) dbound t-dty)))]
-                  [new-cset (cgen/list V (append vars X) Y ss (append ts new-tys))])
-             (% move-vars-to-dmap new-cset dbound vars))]
-
-          ;; identical bounds - just unify pairwise
-          [((ValuesDots: ss s-dty dbound) (ValuesDots: ts t-dty dbound))
-           #:return-when (memq dbound Y) #f
-           (cgen/list V X Y (cons s-dty ss) (cons t-dty ts))]
-          [((ValuesDots: ss s-dty (? (λ (db) (memq db Y)) s-dbound))
-            (ValuesDots: ts t-dty t-dbound))
-           ;; What should we do if both are in Y?
-           #:return-when (memq t-dbound Y) #f
-           (% cset-meet
-              (cgen/list V X Y ss ts)
-              (extend-tvars (list t-dbound)
-                (% move-dotted-rest-to-dmap (cgen V (cons s-dbound X) Y s-dty t-dty) s-dbound t-dbound)))]
-          [((ValuesDots: ss s-dty s-dbound)
-            (ValuesDots: ts t-dty (? (λ (db) (memq db Y)) t-dbound)))
-           ;; s-dbound can't be in Y, due to previous rule
-           (% cset-meet
-              (cgen/list V X Y ss ts)
-              (extend-tvars (list s-dbound)
-                (% move-dotted-rest-to-dmap (cgen V (cons t-dbound X) Y s-dty t-dty) t-dbound s-dbound)))]
+          ;; Values just delegate to cgen/seq
+          [((ValuesSeq: s-seq) (ValuesSeq: t-seq))
+           (cgen/seq V X Y s-seq t-seq)]
 
           ;; they're subtypes. easy.
           [(a b)