diff --git a/collects/typed-scheme/no-check.ss b/collects/typed-scheme/no-check.ss
new file mode 100644
index 0000000000..470a7bed8a
--- /dev/null
+++ b/collects/typed-scheme/no-check.ss
@@ -0,0 +1,5 @@
+#lang scheme/base
+
+(require "private/prims.ss")
+(provide (all-from-out scheme/base)
+	 (all-from-out "private/prims.ss"))
\ No newline at end of file
diff --git a/collects/typed-scheme/no-check/lang/reader.ss b/collects/typed-scheme/no-check/lang/reader.ss
new file mode 100644
index 0000000000..c35cbecc78
--- /dev/null
+++ b/collects/typed-scheme/no-check/lang/reader.ss
@@ -0,0 +1,13 @@
+#lang scheme/base
+(require (prefix-in r: "../../typed-reader.ss")
+         (only-in syntax/module-reader wrap-read-all))
+
+(define (*read in modpath line col pos)
+  (wrap-read-all 'typed-scheme/no-check in r:read modpath #f line col pos))
+
+(define (*read-syntax src in modpath line col pos)
+  (wrap-read-all
+   'typed-scheme/no-check in (lambda (in) (r:read-syntax src in))
+   modpath src line col pos))
+
+(provide (rename-out [*read read] [*read-syntax read-syntax]))
diff --git a/collects/typed-scheme/typecheck/tc-expr-unit.ss b/collects/typed-scheme/typecheck/tc-expr-unit.ss
index 7e32c0c7e5..c61bbd3d9f 100644
--- a/collects/typed-scheme/typecheck/tc-expr-unit.ss
+++ b/collects/typed-scheme/typecheck/tc-expr-unit.ss
@@ -95,7 +95,8 @@
 ;; typecheck an expression, but throw away the effect
 ;; tc-expr/t : Expr -> Type
 (define (tc-expr/t e) (match (tc-expr e)
-                        [(tc-result: t) t]))
+                        [(tc-result: t) t]
+			[t (int-err "tc-expr returned ~a, not a tc-result, for ~a" t (syntax->datum e))]))
 
 (define (tc-expr/check/t e t)
   (match (tc-expr/check e t)