diff --git a/development.ini b/development.ini
--- a/development.ini
+++ b/development.ini
@@ -341,7 +341,7 @@ script_location = kallithea:alembic
 ################################
 
 [loggers]
-keys = root, routes, kallithea, sqlalchemy, tg, gearbox, beaker, templates, whoosh_indexer
+keys = root, routes, kallithea, sqlalchemy, tg, gearbox, beaker, templates, whoosh_indexer, werkzeug, backlash
 
 [handlers]
 keys = console, console_sql
@@ -413,6 +413,18 @@ handlers =
 qualname = whoosh_indexer
 propagate = 1
 
+[logger_werkzeug]
+level = WARN
+handlers =
+qualname = werkzeug
+propagate = 1
+
+[logger_backlash]
+level = WARN
+handlers =
+qualname = backlash
+propagate = 1
+
 ##############
 ## HANDLERS ##
 ##############