diff --git a/doc/guides/docs/images/doc-gen-flow.dot b/doc/guides/docs/images/doc-gen-flow.dot
deleted file mode 100644
index a19fbc4fa00..00000000000
--- a/doc/guides/docs/images/doc-gen-flow.dot
+++ /dev/null
@@ -1,23 +0,0 @@
-# Doc Generation flow
-# dot -Tpng -odoc-gen-flow.png doc-gen-flow.dot
-
-digraph docgen {
-   node [ fontname="verdana"]
-   bgcolor=transparent; rankdir=LR;
-   images [shape="rectangle" label=".png, .jpg\nimages"]
-   rst [shape="rectangle" label="restructuredText\nfiles"]
-   conf [shape="rectangle" label="conf.py\nconfiguration"]
-   rtd [shape="rectangle" label="read-the-docs\ntheme"]
-   header [shape="rectangle" label="c header\ncomments"]
-   xml [shape="rectangle" label="XML"]
-   html [shape="rectangle" label="HTML\nweb site"]
-   sphinx[shape="ellipse" label="sphinx +\nbreathe,\ndocutils"]
-   images -> sphinx
-   rst -> sphinx
-   conf -> sphinx
-   header -> doxygen
-   doxygen -> xml
-   xml-> sphinx
-   rtd -> sphinx
-   sphinx -> html
-   }
diff --git a/doc/guides/docs/images/doc-gen-flow.png b/doc/guides/docs/images/doc-gen-flow.png
deleted file mode 100644
index 837563a6fbf..00000000000
Binary files a/doc/guides/docs/images/doc-gen-flow.png and /dev/null differ
diff --git a/doc/guides/docs/index.rst b/doc/guides/docs/index.rst
index 74e61ec0b34..eee755ec040 100644
--- a/doc/guides/docs/index.rst
+++ b/doc/guides/docs/index.rst
@@ -39,8 +39,30 @@ The project's documentation contains the following items:
 * Script-generated material for kernel configuration options based on Kconfig
   files found in the source code tree
 
-.. image:: images/doc-gen-flow.png
-   :align: center
+.. graphviz::
+   :caption: Schematic of the documentation build process
+
+   digraph {
+      rankdir=LR
+
+      images [shape="rectangle" label=".png, .jpg\nimages"]
+      rst [shape="rectangle" label="restructuredText\nfiles"]
+      conf [shape="rectangle" label="conf.py\nconfiguration"]
+      rtd [shape="rectangle" label="read-the-docs\ntheme"]
+      header [shape="rectangle" label="c header\ncomments"]
+      xml [shape="rectangle" label="XML"]
+      html [shape="rectangle" label="HTML\nweb site"]
+      sphinx[shape="ellipse" label="sphinx +\nbreathe,\ndocutils"]
+      images -> sphinx
+      rst -> sphinx
+      conf -> sphinx
+      header -> doxygen
+      doxygen -> xml
+      xml-> sphinx
+      rtd -> sphinx
+      sphinx -> html
+   }
+
 
 The reStructuredText files are processed by the Sphinx documentation system,
 and make use of the breathe extension for including the doxygen-generated API