diff --git a/bin/.travis/prepare_system.sh b/bin/.travis/prepare_system.sh
index 4a3809155d..3e28313929 100755
--- a/bin/.travis/prepare_system.sh
+++ b/bin/.travis/prepare_system.sh
@@ -10,6 +10,9 @@
 
 ./bin/.travis/disable_xdebug.sh
 
+# Remove php memory limit
+echo 'memory_limit = -1' >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
+
 # Install needed packages
 echo "> Installing needed packages";
 sudo apt-get update