diff --git a/collects/tests/typed-scheme/optimizer/generic/dead-else.rkt b/collects/tests/typed-scheme/optimizer/generic/dead-else.rkt
index 40194c44..6e2868ef 100644
--- a/collects/tests/typed-scheme/optimizer/generic/dead-else.rkt
+++ b/collects/tests/typed-scheme/optimizer/generic/dead-else.rkt
@@ -1,8 +1,8 @@
 #lang typed/scheme #:optimize
 (require racket/unsafe/ops)
-(if (number? 3)
-    (+ 2.0 3.0)
-    (+ 4.0 5.0))
-(if #t
-    (+ 2.0 3.0)
-    (+ 4.0 5.0))
+(display (if (number? 3)
+             (+ 2.0 3.0)
+             (+ 4.0 5.0)))
+(display (if #t
+             (+ 2.0 3.0)
+             (+ 4.0 5.0)))
diff --git a/collects/tests/typed-scheme/optimizer/generic/dead-then.rkt b/collects/tests/typed-scheme/optimizer/generic/dead-then.rkt
index 719452b0..c4ec905b 100644
--- a/collects/tests/typed-scheme/optimizer/generic/dead-then.rkt
+++ b/collects/tests/typed-scheme/optimizer/generic/dead-then.rkt
@@ -1,8 +1,8 @@
 #lang typed/scheme #:optimize
 (require racket/unsafe/ops)
-(if (number? "eh")
-    (+ 2.0 3.0)
-    (+ 4.0 5.0))
-(if #f
-    (+ 2.0 3.0)
-    (+ 4.0 5.0))
+(display (if (number? "eh")
+             (+ 2.0 3.0)
+             (+ 4.0 5.0)))
+(display (if #f
+             (+ 2.0 3.0)
+             (+ 4.0 5.0)))