diff --git a/.gitignore b/.gitignore
index b0414e9..a6dbec1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,7 +4,6 @@ lowercase/lowercase
 lowercase/uppercase
 nonzero/nonzero
 roll/roll
-rot13/rot13
 simexec/simexec
 str/str
 streq/streq