diff --git a/index.typ b/index.typ
deleted file mode 100644
index 9ae5304..0000000
--- a/index.typ
+++ /dev/null
@@ -1,19 +0,0 @@
-// templates for online lecture notes
-
-#import "main.typ": gen_preamble, doc_template, lref
-
-#let template(
-  title: none,
-  authors: none,
-  subtitle: [Index of resources],
-  body
-) = {
-  doc_template(title: title, {
-    gen_preamble(
-      title: title,
-      authors: authors,
-      prefix: [_#{subtitle}_],
-    )
-    body
-  })
-}
diff --git a/sfd.typ b/legacy/sfd.typ
similarity index 82%
rename from sfd.typ
rename to legacy/sfd.typ
index b0f1ad8..b16d8d3 100644
--- a/sfd.typ
+++ b/legacy/sfd.typ
@@ -1,6 +1,6 @@
 // templates for online lecture notes
 
-#import "main.typ": gen_preamble, doc_template, mono_font, lref
+#import "../main.typ": gen_preamble, doc_template, mono_font, lref
 
 #let template(
   title: none,