diff --git a/ct/headers/petio b/ct/headers/petio
deleted file mode 100644
index d8deb745a..000000000
--- a/ct/headers/petio
+++ /dev/null
@@ -1,6 +0,0 @@
-    ____       __  _     
-   / __ \___  / /_(_)___ 
-  / /_/ / _ \/ __/ / __ \
- / ____/  __/ /_/ / /_/ /
-/_/    \___/\__/_/\____/ 
-