diff --git a/app/cabot_config.py b/app/cabot_config.py
index b2f31cc..61f009c 100644
--- a/app/cabot_config.py
+++ b/app/cabot_config.py
@@ -16,5 +16,5 @@ TWILIO_AUTH_TOKEN = os.environ.get('TWILIO_AUTH_TOKEN')
 TWILIO_OUTGOING_NUMBER = os.environ.get('TWILIO_OUTGOING_NUMBER')
 CALENDAR_ICAL_URL = os.environ.get('CALENDAR_ICAL_URL')
 WWW_HTTP_HOST = os.environ.get('WWW_HTTP_HOST')
-ALERT_INTERVAL = os.environ.get('ALERT_INTERVAL')
-NOTIFICATION_INTERVAL = os.environ.get('NOTIFICATION_INTERVAL')
+ALERT_INTERVAL = os.environ.get('ALERT_INTERVAL', 10)
+NOTIFICATION_INTERVAL = os.environ.get('NOTIFICATION_INTERVAL', 120)
diff --git a/conf/development.env.example b/conf/development.env.example
index 07b7a8b..613c72c 100644
--- a/conf/development.env.example
+++ b/conf/development.env.example
@@ -43,8 +43,4 @@ TWILIO_AUTH_TOKEN=your_auth_token
 TWILIO_OUTGOING_NUMBER=+14155551234
 
 # Used for pointing links back in alerts etc.
-WWW_HTTP_HOST=localhost
-
-# Interval for alerts & notification
-ALERT_INTERVAL = 10
-NOTIFICATION_INTERVAL = 120
\ No newline at end of file
+WWW_HTTP_HOST=localhost
\ No newline at end of file
diff --git a/conf/production.env.example b/conf/production.env.example
index 9d808c1..dc66198 100644
--- a/conf/production.env.example
+++ b/conf/production.env.example
@@ -43,8 +43,4 @@ TWILIO_AUTH_TOKEN=your_auth_token
 TWILIO_OUTGOING_NUMBER=+14155551234
 
 # Used for pointing links back in alerts etc.
-WWW_HTTP_HOST=cabot.example.com
-
-# Interval for alerts & notification
-ALERT_INTERVAL = 10
-NOTIFICATION_INTERVAL = 120
\ No newline at end of file
+WWW_HTTP_HOST=cabot.example.com
\ No newline at end of file