diff --git a/pokemontools/crystal.py b/pokemontools/crystal.py
index 0507b35..c824515 100644
--- a/pokemontools/crystal.py
+++ b/pokemontools/crystal.py
@@ -53,9 +53,6 @@ from trainers import (
     trainer_group_names,
 )
 
-# for fixing trainer_group_names
-import re
-
 import chars
 import labels
 import pksv