--- a/taskcluster/ci/test/tests.yml
+++ b/taskcluster/ci/test/tests.yml
@@ -974,18 +974,16 @@ reftest:
             macosx64/debug: 2
             default: 8
     max-run-time:
         by-test-platform:
             android.*: 10800
             default: 3600
     e10s:
         by-test-platform:
-            # bug 1351272
-            windows7-32/debug: false
             macosx.*: true
             default: both
     mozharness:
         by-test-platform:
             android.*:
                 script: android_emulator_unittest.py
                 no-read-buildbot-config: true
                 config:
@@ -1020,21 +1018,16 @@ reftest-no-accel:
     run-on-projects:
         by-test-platform:
             linux64-qr/.*: ['graphics', 'mozilla-central']
             default: ['all']
     chunks:
         by-test-platform:
             macosx.*: 1
             default: 8
-    e10s:
-        by-test-platform:
-            # bug 1351272
-            windows7-32/debug: false
-            default: both
     mozharness:
         script: desktop_unittest.py
         no-read-buildbot-config: true
         config:
             by-test-platform:
                 windows.*:
                     - unittests/win_taskcluster_unittest.py
                 macosx.*: