diff --git a/test/should_fail/named_fun_fail.erl b/test/should_fail/named_fun_fail.erl
index 17d3938b..dee7976b 100644
--- a/test/should_fail/named_fun_fail.erl
+++ b/test/should_fail/named_fun_fail.erl
@@ -1,6 +1,6 @@
 -module(named_fun_fail).
 
--export([bar/0, baz/1]).
+-export([bar/0, baz/1, sum/1]).
 
 -spec foo(integer()) -> integer().
 foo(N) -> N.
@@ -11,3 +11,12 @@ bar() -> foo(fun F(0) -> 0; F(X) -> F(X - 1) end).
 baz(I) ->
     O = I({}),
     O.
+
+-spec sum([integer()]) -> integer().
+sum(Ints) ->
+    F = fun Sum(Acc, [Int | Rest]) ->
+                Sum(Acc + Int, Rest);
+            Sum(Acc, []) ->
+                Acc
+        end,
+    F(Ints).
diff --git a/test/should_pass/named_fun_pass.erl b/test/should_pass/named_fun_pass.erl
index 7ad911d6..c5307fd6 100644
--- a/test/should_pass/named_fun_pass.erl
+++ b/test/should_pass/named_fun_pass.erl
@@ -1,6 +1,6 @@
 -module(named_fun_pass).
 
--export([fac/1, sum/1]).
+-export([fac/1]).
 
 -spec fac(integer()) -> integer().
 fac(I) ->
@@ -10,14 +10,3 @@ fac(I) ->
                 N*Fac(N-1)
         end,
     F(I).
-
-%% Documents expected behaviour that named_fun gets type any() when
-%% infer is off in do_type_check_expr.
--spec sum([integer()]) -> integer().
-sum(Ints) ->
-    F = fun Sum(Acc, [Int | Rest]) ->
-                Sum(Acc + Int, Rest);
-            Sum(Acc, []) ->
-                Acc
-        end,
-    F(Ints).