diff --git a/clean_files.txt b/clean_files.txt
index 943dfd92bf..74adff8c29 100644
--- a/clean_files.txt
+++ b/clean_files.txt
@@ -98,6 +98,7 @@ test/test_helper.bash
 
 # themes
 #
+themes/*.bash
 themes/90210
 themes/agnoster
 themes/atomic