diff --git a/sherlock/sherlock.py b/sherlock/sherlock.py
index 3f7a933..cbd2586 100644
--- a/sherlock/sherlock.py
+++ b/sherlock/sherlock.py
@@ -143,7 +143,6 @@ def check_for_parameter(username):
     return "{?}" in username
 
 
-checksymbols = []
 checksymbols = ["_", "-", "."]