diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 320d755..62e61a4 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -8,7 +8,6 @@
   "customizations": {
     "vscode": {
       "extensions": [
-        "bierner.markdown-mermaid",
         "ms-azuretools.azure-dev",
         "ms-azuretools.vscode-cosmosdb",
         "ms-dotnettools.csdevkit"