diff --git a/static/src/pyconau2017/css/invoice.css b/static/src/pyconau2017/css/invoice.css
deleted file mode 100644
index 91defe2bc02610319bc85c7713d7d6f8ae23d0a0..0000000000000000000000000000000000000000
--- a/static/src/pyconau2017/css/invoice.css
+++ /dev/null
@@ -1,4 +0,0 @@
-.toplogo {
-    width: 500px ;
-    margin-left: auto;
-    margin-right: auto }