1 files changed, 3 insertions, 10 deletions
diff --git a/test/built-ins/Array/prototype/reduceRight/15.4.4.22-9-b-10.js b/test/built-ins/Array/prototype/reduceRight/15.4.4.22-9-b-10.js
index 0467957d7..8054929e9 100644
--- a/test/built-ins/Array/prototype/reduceRight/15.4.4.22-9-b-10.js
+++ b/test/built-ins/Array/prototype/reduceRight/15.4.4.22-9-b-10.js
@@ -7,11 +7,8 @@ description: >
     Array.prototype.reduceRight - deleting property of prototype in
     step 8 causes deleted index property not to be visited on an
     Array-like Object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var accessed = false;
         var testResult = true;
 
@@ -32,12 +29,8 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Object.prototype[3] = 1;
             Array.prototype.reduceRight.call(obj, callbackfn);
-            return testResult && accessed;
-        } finally {
-            delete Object.prototype[3];
-        }
-    }
-runTestCase(testcase);
+
+assert(testResult, 'testResult !== true');
+assert(accessed, 'accessed !== true');