diff --git a/index.js b/index.js
index cca5142..faf9142 100644
--- a/index.js
+++ b/index.js
@@ -54,7 +54,6 @@ exports.isCI = !!(
   env.CI || // Travis CI, CircleCI, Cirrus CI, Gitlab CI, Appveyor, CodeShip, dsari
   env.CONTINUOUS_INTEGRATION || // Travis CI, Cirrus CI
   env.BUILD_NUMBER || // Jenkins, TeamCity
-  env.RUN_ID || // TaskCluster, dsari
   exports.name ||
   false
 )