--- a/taskcluster/ci/desktop-test/tests.yml
+++ b/taskcluster/ci/desktop-test/tests.yml
@@ -385,18 +385,16 @@ mochitest-devtools-chrome:
             default: 10
     run-on-projects:
         by-test-platform:
             linux64-ccov/opt: []
             linux64-jsdcov/opt: []
             default: ['all']
     e10s:
         by-test-platform:
-            # Bug 1242986: linux64/debug mochitest-devtools-chrome e10s is not greened up yet
-            linux64/debug: false
             linux64-ccov/opt: false
             linux64-jsdcov/opt: false
             # Bug 1304433: mochitest-devtools-chrome (e10s) not greened on windows
             win.*: false
             default: both
     mozharness:
         script: desktop_unittest.py
         no-read-buildbot-config: true