diff --git a/tools/cjs-jasmine/index-tools.ts b/tools/cjs-jasmine/index-tools.ts
index b15f58fdbd..b584b66c37 100644
--- a/tools/cjs-jasmine/index-tools.ts
+++ b/tools/cjs-jasmine/index-tools.ts
@@ -31,8 +31,6 @@ function toolsDirRequire(moduleId: string) {
 // Tun on full stack traces in errors to help debugging
 (<any>Error)['stackTraceLimit'] = Infinity;
 
-jrunner.jasmine.DEFAULT_TIMEOUT_INTERVAL = 100;
-
 // Support passing multiple globs
 var globsIndex = process.argv.indexOf('--');
 var args: string[];