diff --git a/documentation/99-Library/opf-mindmap.md b/documentation/99-Library/opf-mindmap.md
deleted file mode 100644
index 6fcb563a24cd9aa6694ff85edc427767379dc97d..0000000000000000000000000000000000000000
--- a/documentation/99-Library/opf-mindmap.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# OPF as Mindmap
-
-<iframe src="https://atlas.mindmup.com/2019/06/30ceffd088f811e9984ce99c5572ee6c/open_project_framework/index.html" width="1200" height="800" ></iframe>