diff --git a/mkdocs.yaml b/mkdocs.yaml
index 0c6fda6b..e91819e3 100644
--- a/mkdocs.yaml
+++ b/mkdocs.yaml
@@ -81,9 +81,6 @@ markdown_extensions:
         - name: mermaid
           class: mermaid
           format: !!python/name:pymdownx.superfences.fence_code_format
-  - pymdownx.emoji:
-      emoji_index: !!python/name:materialx.emoji.twemoji
-      emoji_generator: !!python/name:materialx.emoji.to_svg
   - toc:
       permalink: "#"
       toc_depth: 3