diff --git a/.travis.yml b/.travis.yml
index 3bdb05466f6bd..067abdeb7cb7e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,12 +28,12 @@ env:
     - secure: "fq/U7VDMWO8O8SnAQkdbkoSe2X92PVqg4d044HmRYVmcf6YbO48+xeGJ8yOk0pCBwl3ISO4Q2ot0x546kxfiYBuHkZetlngZxZCtQiFT9kyId8ZKcYdXaIW9OVdw3Gh3tQyUwDucfkVhqcs52D6NZjyE2aWZ4/d1V4kWRO/LMgo="
   matrix:
     # Order: a slower build first, so that we don't occupy an idle travis worker waiting for others to complete.
-   - CI_MODE=js
-   - CI_MODE=e2e
-   - CI_MODE=saucelabs_required
-   - CI_MODE=browserstack_required
-   - CI_MODE=saucelabs_optional
-   - CI_MODE=browserstack_optional
+    - CI_MODE=e2e EXPERIMENTAL_ES2015_DISTRO=1
+    - CI_MODE=js
+    - CI_MODE=saucelabs_required
+    - CI_MODE=browserstack_required
+    - CI_MODE=saucelabs_optional
+    - CI_MODE=browserstack_optional
 
 matrix:
   fast_finish: true
diff --git a/DEVELOPER.md b/DEVELOPER.md
index 0b7e18d617ebf..eb080a90caab0 100644
--- a/DEVELOPER.md
+++ b/DEVELOPER.md
@@ -155,7 +155,13 @@ You can check that your code is properly formatted and adheres to coding style b
 $ gulp lint
 ```
 
-## Publishing your own personal snapshot build
+## Publishing snapshot builds
+
+When the `master` branch successfully builds on Travis, it automatically publishes build artifacts
+to repositories in the Angular org, eg. the `@angular/core` package is published to
+http://github.com/angular/core-builds.
+The ES2015 version of Angular is published to a different branch in these repos, for example
+http://github.com/angular/core-builds#master-es2015
 
 You may find that your un-merged change needs some validation from external participants.
 Rather than requiring them to pull your Pull Request and build Angular locally, you can
diff --git a/scripts/ci-lite/env.sh b/scripts/ci-lite/env.sh
index 5467bf3d15897..fd57d09f91ca4 100644
--- a/scripts/ci-lite/env.sh
+++ b/scripts/ci-lite/env.sh
@@ -58,11 +58,6 @@ if [[ ${TRAVIS} ]]; then
   # more info: https://docs.travis-ci.com/user/languages/javascript-with-nodejs#Node.js-v4-(or-io.js-v3)-compiler-requirements
   export CXX=g++-4.8
 
-  # Build ES2015 distro only in the e2e job (don't need to slow down other jobs)
-  if [ "${CI_MODE}" = "e2e" ]; then
-    export EXPERIMENTAL_ES2015_DISTRO=1
-  fi
-
   # Used by karma and karma-chrome-launcher
   # In order to have a meaningful SauceLabs badge on the repo page,
   # the angular2-ci account is used only when pushing commits to master;
diff --git a/scripts/publish/publish-build-artifacts.sh b/scripts/publish/publish-build-artifacts.sh
index f478204d37fa8..55d58d71f2ae4 100755
--- a/scripts/publish/publish-build-artifacts.sh
+++ b/scripts/publish/publish-build-artifacts.sh
@@ -68,10 +68,10 @@ function publishRepo {
 
 # Publish all individual packages from packages-dist.
 function publishPackages {
-  PKGS_DIST=dist/packages-dist
-  if [[ -n "${EXPERIMENTAL_ES2015_DISTRO}" ]]; then
-    PKGS_DIST=dist/packages-dist-es2015
-  fi
+  GIT_SCHEME=$1
+  PKGS_DIST=$2
+  BRANCH=$3
+
   for dir in $PKGS_DIST/*/ dist/tools/@angular/tsc-wrapped
   do
     COMPONENT="$(basename ${dir})"
@@ -80,12 +80,12 @@ function publishPackages {
     COMPONENT="${COMPONENT//_/-}"
     JS_BUILD_ARTIFACTS_DIR="${dir}"
 
-    if [[ "$1" == "ssh" ]]; then
+    if [[ "$GIT_SCHEME" == "ssh" ]]; then
       REPO_URL="git@github.com:${ORG}/${COMPONENT}-builds.git"
-    elif [[ "$1" == "http" ]]; then
+    elif [[ "$GIT_SCHEME" == "http" ]]; then
       REPO_URL="https://github.com/${ORG}/${COMPONENT}-builds.git"
     else
-      die "Don't have a way to publish to scheme $1"
+      die "Don't have a way to publish to scheme $GIT_SCHEME"
     fi
     SHA=`git rev-parse HEAD`
     SHORT_SHA=`git rev-parse --short HEAD`
@@ -101,16 +101,24 @@ function publishPackages {
 }
 
 # See DEVELOPER.md for help
-BRANCH=${TRAVIS_BRANCH:-$(git symbolic-ref --short HEAD)}
+CUR_BRANCH=${TRAVIS_BRANCH:-$(git symbolic-ref --short HEAD)}
 if [ $# -gt 0 ]; then
   ORG=$1
-  publishPackages "ssh"
+  publishPackages "ssh" dist/packages-dist $CUR_BRANCH
+  if [[ -e dist/packages-dist-es2015 ]]; then
+    publishPackages "ssh" dist/packages-dist-es2015 ${CUR_BRANCH}-es2015
+  fi
+
 elif [[ \
     "$TRAVIS_REPO_SLUG" == "angular/angular" && \
     "$TRAVIS_PULL_REQUEST" == "false" && \
     "$CI_MODE" == "e2e" ]]; then
   ORG="angular"
-  publishPackages "http"
+  publishPackages "http" dist/packages-dist $CUR_BRANCH
+  if [[ -e dist/packages-dist-es2015 ]]; then
+    publishPackages "http" dist/packages-dist-es2015 ${CUR_BRANCH}-es2015
+  fi
+
 else
-  echo "Not building the upstream/${BRANCH} branch, build artifacts won't be published."
+  echo "Not building the upstream/${CUR_BRANCH} branch, build artifacts won't be published."
 fi