diff --git a/.travis.yml b/.travis.yml
index 89554aaaf..3135a8dee 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -116,7 +116,6 @@ cache:
 install:
     - test $TRAVIS_INSTALL_DEPS != On || ./scripts/install_deps.sh
     - echo -n "$TRAVIS_COMMIT" > commit_hash.txt
-    - test "$TRAVIS_PULL_REQUESTS" != "false" || test "$TRAVIS_BRANCH" != release || echo -n > prerelease.txt # this is a proper release
 before_script:
     - test $TRAVIS_EMSCRIPTEN != On || ./scripts/build_emscripten.sh
     - test $TRAVIS_RELEASE != On || (mkdir -p build