diff --git a/src/trendlines/app_factory.py b/src/trendlines/app_factory.py
index 3f1b3ae..9cb0a48 100644
--- a/src/trendlines/app_factory.py
+++ b/src/trendlines/app_factory.py
@@ -40,9 +40,8 @@ def create_app():
 
 
     logger.debug("Registering blueprints.")
-    url_prefix = app.config.get("URL_PREFIX", None)
-    app.register_blueprint(routes.pages, url_prefix=url_prefix)
-    app.register_blueprint(routes.api, url_prefix=url_prefix)
+    app.register_blueprint(routes.pages)
+    app.register_blueprint(routes.api)
 
     # Create the database file and populate initial tables if needed.
     create_db(app.config['DATABASE'])