--- a/taskcluster/ci/build/linux.yml
+++ b/taskcluster/ci/build/linux.yml
@@ -417,17 +417,17 @@ linux64-stylo/opt:
         config:
             - builds/releng_base_linux_64_builds.py
             - balrog/production.py
         script: "mozharness/scripts/fx_desktop_build.py"
         secrets: true
         custom-build-variant-cfg: stylo
         tooltool-downloads: public
         need-xvfb: true
-    run-on-projects: [ 'stylo', 'autoland', 'mozilla-inbound', 'mozilla-central', 'try' ]
+    run-on-projects: [ 'autoland', 'mozilla-inbound', 'mozilla-central', 'try' ]
 
 linux64-stylo/debug:
     description: "Linux64 Debug Stylo"
     index:
         product: firefox
         job-name: linux64-stylo-debug
     treeherder:
         platform: linux64-stylo/debug
@@ -444,17 +444,17 @@ linux64-stylo/debug:
         config:
             - builds/releng_base_linux_64_builds.py
             - balrog/production.py
         script: "mozharness/scripts/fx_desktop_build.py"
         secrets: true
         custom-build-variant-cfg: stylo-debug
         tooltool-downloads: public
         need-xvfb: true
-    run-on-projects: [ 'stylo', 'autoland', 'mozilla-inbound', 'mozilla-central', 'try' ]
+    run-on-projects: [ 'autoland', 'mozilla-inbound', 'mozilla-central', 'try' ]
 
 linux64-noopt/debug:
     description: "Linux64 No-optimize Debug"
     index:
         product: firefox
         job-name: linux64-noopt-debug
     treeherder:
         platform: linux64-noopt/debug
@@ -472,17 +472,17 @@ linux64-noopt/debug:
             - builds/releng_base_linux_64_builds.py
             - balrog/production.py
         script: "mozharness/scripts/fx_desktop_build.py"
         secrets: true
         custom-build-variant-cfg: noopt-debug
         tooltool-downloads: public
         keep-artifacts: false
         need-xvfb: true
-    run-on-projects: [ 'stylo', 'autoland', 'mozilla-inbound', 'mozilla-central', 'try' ]
+    run-on-projects: [ 'autoland', 'mozilla-inbound', 'mozilla-central', 'try' ]
 
 linux64-jsdcov/opt:
     description: "Linux64-JSDCov Opt"
     index:
         product: firefox
         job-name: linux64-jsdcov-opt
     treeherder:
         platform: linux64-jsdcov/opt

--- a/taskcluster/ci/build/macosx.yml
+++ b/taskcluster/ci/build/macosx.yml
@@ -64,17 +64,17 @@ macosx64-noopt/debug:
         config:
             - builds/releng_base_mac_64_cross_builds.py
             - balrog/production.py
         script: "mozharness/scripts/fx_desktop_build.py"
         secrets: true
         custom-build-variant-cfg: cross-noopt-debug
         tooltool-downloads: internal
         keep-artifacts: false
-    run-on-projects: [ 'stylo', 'autoland', 'mozilla-inbound', 'mozilla-central', 'try' ]
+    run-on-projects: [ 'autoland', 'mozilla-inbound', 'mozilla-central', 'try' ]
 
 macosx64-add-on-devel/opt:
     description: "MacOS X x64 add-on-devel"
     index:
         product: firefox
         job-name: macosx64-add-on-devel
     treeherder:
         platform: osx-10-7-add-on-devel/opt

--- a/taskcluster/ci/build/windows.yml
+++ b/taskcluster/ci/build/windows.yml
@@ -204,17 +204,17 @@ win64-noopt/debug:
         max-run-time: 7200
         env:
             TOOLTOOL_MANIFEST: "browser/config/tooltool-manifests/win64/releng.manifest"
     run:
         using: mozharness
         script: mozharness/scripts/fx_desktop_build.py
         config:
             - builds/taskcluster_firefox_win64_noopt_debug.py
-    run-on-projects: [ 'stylo', 'autoland', 'mozilla-inbound', 'mozilla-central', 'try' ]
+    run-on-projects: [ 'autoland', 'mozilla-inbound', 'mozilla-central', 'try' ]
 
 win32-noopt/debug:
     description: "Win32 No-optimize Debug"
     index:
         product: firefox
         job-name: win32-noopt-debug
     treeherder:
         platform: windows2012-32-noopt/debug
@@ -225,17 +225,17 @@ win32-noopt/debug:
         max-run-time: 7200
         env:
             TOOLTOOL_MANIFEST: "browser/config/tooltool-manifests/win32/releng.manifest"
     run:
         using: mozharness
         script: mozharness/scripts/fx_desktop_build.py
         config:
             - builds/taskcluster_firefox_win32_noopt_debug.py
-    run-on-projects: [ 'stylo', 'autoland', 'mozilla-inbound', 'mozilla-central', 'try' ]
+    run-on-projects: [ 'autoland', 'mozilla-inbound', 'mozilla-central', 'try' ]
 
 win64-asan/debug:
     description: "Win64 Debug ASAN"
     index:
         product: firefox
         job-name: win64-asan-debug
     treeherder:
         platform: windows2012-64/asan

--- a/taskcluster/ci/test/tests.yml
+++ b/taskcluster/ci/test/tests.yml
@@ -1157,17 +1157,17 @@ reftest-no-accel:
 reftest-stylo:
     description: "Reftest run for Stylo"
     suite: reftest/reftest-stylo
     treeherder-symbol: tc-R(Rs)
     docker-image: {"in-tree": "desktop1604-test"}
     chunks: 16
     run-on-projects:
         by-test-platform:
-            linux64-stylo/opt: [ 'stylo', 'autoland', 'mozilla-central', 'try' ] # not on mozilla-inbound
+            linux64-stylo/opt: [ 'autoland', 'mozilla-central', 'try' ] # not on mozilla-inbound
             linux64-stylo-sequential/opt: [ 'mozilla-central']
             default: built-projects
     e10s:
         # run only e10s tests for this platform see bug 1343301
         by-test-platform:
             linux64-stylo/opt:
                 # no opt on inbound see bug 1339604
                 by-project: