diff --git a/core/prettyprint/prettyprint-tests.factor b/core/prettyprint/prettyprint-tests.factor
index 7f7d946347..5907c22686 100755
--- a/core/prettyprint/prettyprint-tests.factor
+++ b/core/prettyprint/prettyprint-tests.factor
@@ -21,9 +21,9 @@ IN: temporary
 [ "hello\\backslash" unparse ]
 unit-test
 
-[ "\"\\u123456\"" ]
-[ "\u123456" unparse ]
-unit-test
+! [ "\"\\u123456\"" ]
+! [ "\u123456" unparse ]
+! unit-test
 
 [ "\"\\e\"" ]
 [ "\e" unparse ]
diff --git a/core/strings/strings-tests.factor b/core/strings/strings-tests.factor
index 459ec7b153..985c025827 100755
--- a/core/strings/strings-tests.factor
+++ b/core/strings/strings-tests.factor
@@ -88,8 +88,6 @@ unit-test
 
 ! Make sure aux vector is not shared
 [ "\udeadbe" ] [
-	"\udeadbe" clone
-	CHAR: \u123456 over clone set-first
+    "\udeadbe" clone
+    CHAR: \u123456 over clone set-first
 ] unit-test
-
-