diff --git a/app/cloudfoundry_config.py b/app/cloudfoundry_config.py
index 293f0cd2c..c890a8333 100644
--- a/app/cloudfoundry_config.py
+++ b/app/cloudfoundry_config.py
@@ -18,7 +18,7 @@ def set_config_env_vars(vcap_services):
 
     vcap_application = json.loads(os.environ['VCAP_APPLICATION'])
     os.environ['NOTIFY_ENVIRONMENT'] = vcap_application['space_name']
-    os.environ['LOGGING_STDOUT_JSON'] = '1'
+    os.environ['NOTIFY_LOG_PATH'] = '/home/vcap/logs/app.log'
 
     # Notify common config
     for s in vcap_services['user-provided']:
diff --git a/app/config.py b/app/config.py
index 12d52df9b..c05b96660 100644
--- a/app/config.py
+++ b/app/config.py
@@ -95,7 +95,6 @@ class Config(object):
 
     # Logging
     DEBUG = False
-    LOGGING_STDOUT_JSON = os.getenv('LOGGING_STDOUT_JSON') == '1'
 
     ###########################
     # Default config values ###
@@ -106,7 +105,7 @@ class Config(object):
     AWS_REGION = 'eu-west-1'
     INVITATION_EXPIRATION_DAYS = 2
     NOTIFY_APP_NAME = 'api'
-    NOTIFY_LOG_PATH = '/var/log/notify/application.log'
+    NOTIFY_LOG_PATH = None
     SQLALCHEMY_COMMIT_ON_TEARDOWN = False
     SQLALCHEMY_RECORD_QUERIES = True
     SQLALCHEMY_TRACK_MODIFICATIONS = True
@@ -277,6 +276,7 @@ class Config(object):
 ######################
 
 class Development(Config):
+    NOTIFY_LOG_PATH = 'application.log'
     SQLALCHEMY_ECHO = False
     NOTIFY_EMAIL_DOMAIN = 'notify.tools'
     CSV_UPLOAD_BUCKET_NAME = 'development-notifications-csv-upload'
diff --git a/requirements.txt b/requirements.txt
index 5b011f57c..6c2d839b5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,6 +28,6 @@ notifications-python-client>=3.1,<3.2
 awscli>=1.11,<1.12
 awscli-cwlogs>=1.4,<1.5
 
-git+https://github.com/alphagov/notifications-utils.git@17.8.0#egg=notifications-utils==17.8.0
+git+https://github.com/alphagov/notifications-utils.git@18.0.0#egg=notifications-utils==18.0.0
 
 git+https://github.com/alphagov/boto.git@2.43.0-patch3#egg=boto==2.43.0-patch3
diff --git a/scripts/run_app_paas.sh b/scripts/run_app_paas.sh
index 2ac52c388..2112e4789 100755
--- a/scripts/run_app_paas.sh
+++ b/scripts/run_app_paas.sh
@@ -52,11 +52,9 @@ function on_exit {
   kill 0
 }
 
-function start_appplication {
-  exec "$@" 2>&1 | while read line; do echo $line; echo $line >> /home/vcap/logs/app.log.`date +%Y-%m-%d`; done &
-  LOGGER_PID=$!
+function start_application {
+  exec "$@" &
   APP_PID=`jobs -p`
-  echo "Logger process pid: ${LOGGER_PID}"
   echo "Application process pid: ${APP_PID}"
 }
 
@@ -69,7 +67,6 @@ function start_aws_logs_agent {
 function run {
   while true; do
     kill -0 ${APP_PID} 2&>/dev/null || break
-    kill -0 ${LOGGER_PID} 2&>/dev/null || break
     kill -0 ${AWSLOGS_AGENT_PID} 2&>/dev/null || start_aws_logs_agent
     sleep 1
   done
@@ -84,7 +81,7 @@ trap "on_exit" EXIT
 configure_aws_logs
 
 # The application has to start first!
-start_appplication "$@"
+start_application "$@"
 
 start_aws_logs_agent
 
diff --git a/tests/app/test_cloudfoundry_config.py b/tests/app/test_cloudfoundry_config.py
index 15ff3dd55..a393fc8bb 100644
--- a/tests/app/test_cloudfoundry_config.py
+++ b/tests/app/test_cloudfoundry_config.py
@@ -122,8 +122,8 @@ def test_extract_cloudfoundry_config_populates_other_vars():
     extract_cloudfoundry_config()
 
     assert os.environ['SQLALCHEMY_DATABASE_URI'] == 'postgres uri'
-    assert os.environ['LOGGING_STDOUT_JSON'] == '1'
     assert os.environ['NOTIFY_ENVIRONMENT'] == '🚀🌌'
+    assert os.environ['NOTIFY_LOG_PATH'] == '/home/vcap/logs/app.log'
 
 
 @pytest.mark.usefixtures('os_environ', 'cloudfoundry_environ')
diff --git a/tests/app/test_config.py b/tests/app/test_config.py
index 63a9bff9a..c1e1cbeee 100644
--- a/tests/app/test_config.py
+++ b/tests/app/test_config.py
@@ -57,24 +57,3 @@ def test_load_config_if_cloudfoundry_not_available(monkeypatch, reload_config):
 def test_cloudfoundry_config_has_different_defaults():
     # these should always be set on Sandbox
     assert config.Sandbox.REDIS_ENABLED is False
-
-
-def test_logging_stdout_json_defaults_to_off(reload_config):
-    os.environ.pop('LOGGING_STDOUT_JSON', None)
-    assert config.Config.LOGGING_STDOUT_JSON is False
-
-
-def test_logging_stdout_json_sets_to_off_if_not_recognised(reload_config):
-    os.environ['LOGGING_STDOUT_JSON'] = 'foo'
-
-    importlib.reload(config)
-
-    assert config.Config.LOGGING_STDOUT_JSON is False
-
-
-def test_logging_stdout_json_sets_to_on_if_set_to_1(reload_config):
-    os.environ['LOGGING_STDOUT_JSON'] = '1'
-
-    importlib.reload(config)
-
-    assert config.Config.LOGGING_STDOUT_JSON is True