diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index bf20e294..00000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "mkdocs/themes/mkdocs-material"]
-	path = mkdocs/themes/mkdocs-material
-	url = https://github.com/squidfunk/mkdocs-material.git
diff --git a/mkdocs.yml b/mkdocs.yml
index ce829b7d..54752da8 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -1,7 +1,5 @@
 site_name: Parallel Virtual Cluster documentation
-theme:
-  name: material
-  custom_dir: 'mkdocs/themes/mkdocs-material/material'
+theme: readthedocs
 markdown_extensions:
   - toc:
       permalink: yes
diff --git a/mkdocs/themes/mkdocs-material b/mkdocs/themes/mkdocs-material
deleted file mode 160000
index 79e18f22..00000000
--- a/mkdocs/themes/mkdocs-material
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 79e18f2286a9e141a8949f56438abc00e4f922f3