diff --git a/scripts/ci/test_e2e_js.sh b/scripts/ci/test_e2e_js.sh
index 449a8a423f..6a4047076b 100755
--- a/scripts/ci/test_e2e_js.sh
+++ b/scripts/ci/test_e2e_js.sh
@@ -30,5 +30,8 @@ fi
 
 ./node_modules/.bin/protractor protractor-js.conf.js $OPTIONS
 ./node_modules/.bin/protractor protractor-js.conf.js $OPTIONS --benchmark --dryrun
-./node_modules/.bin/protractor dist/js/cjs/benchpress/test/firefox_extension/conf.js
+# TODO(tbosch): tests for benchpress on firefox are disabled
+# as they are very flake. Enable once https://github.com/angular/angular/issues/5611
+# is resolved.
+# ./node_modules/.bin/protractor dist/js/cjs/benchpress/test/firefox_extension/conf.js