diff --git a/mkdocs.yml b/mkdocs.yml
index 2e8342317ac209c5124c4167315e61df1757e17a..73a369d6946b5566952a93e1e68932628d56b104 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -7,23 +7,19 @@ docs_dir: dokumentit
 site_dir: public
 
 markdown_extensions:
+    - plantuml_markdown:
+        server: http://plantuml.com/plantuml
     - toc:
         baselevel: 1
     - admonition
     - tables
     - sane_lists
     - codehilite
-    - pymdownx.superfences:
-        custom_fences:
-            - name: mermaid
-              class: mermaid
-              format: !!python/name:pymdownx.superfences.fence_div_format
-    - pymdownx.details
-    - pymdownx.tabbed
-    - pymdownx.tasklist
+    - pymdownx.superfences
     - pymdownx.critic:
         mode: view
     - lightgallery
+
 theme:
     name: material
     language: 'en'