diff --git a/brozzler/behaviors.yaml b/brozzler/behaviors.yaml
index 2000477..7667627 100644
--- a/brozzler/behaviors.yaml
+++ b/brozzler/behaviors.yaml
@@ -32,7 +32,6 @@
   behavior_js_template: umbraBehavior.js.j2
   request_idle_timeout_sec: 30
   default_parameters:
-    interval: 500
     actions:
       - selector: a[rel="theater"], a[id="expanding_cta_close_button"]
         closeSelector: 'a._xlt'
diff --git a/setup.py b/setup.py
index 82a6739..d5442a6 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@ def find_package_data(package):
 
 setuptools.setup(
         name='brozzler',
-        version='1.5.13',
+        version='1.5.15',
         description='Distributed web crawling with browsers',
         url='https://github.com/internetarchive/brozzler',
         author='Noah Levitt',