diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 8270218e95f..0302db0538f 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -28,7 +28,6 @@
         "Shopify.ruby-lsp",
         "esbenp.prettier-vscode",
         "dbaeumer.vscode-eslint",
-        "ruby-syntax-tree.vscode-syntax-tree",
         "lifeart.vscode-glimmer-syntax",
         "typed-ember.glint-vscode"
       ]
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index 1cb711620bd..563e65951d0 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -4,7 +4,6 @@
     "Shopify.ruby-lsp",
     "esbenp.prettier-vscode",
     "dbaeumer.vscode-eslint",
-    "ruby-syntax-tree.vscode-syntax-tree",
     "lifeart.vscode-glimmer-syntax",
     "typed-ember.glint-vscode"
   ]
diff --git a/.vscode/settings.json.sample b/.vscode/settings.json.sample
index b11a0f3352a..649329140c0 100644
--- a/.vscode/settings.json.sample
+++ b/.vscode/settings.json.sample
@@ -19,7 +19,7 @@
   },
   "[ruby]": {
     "editor.formatOnSave": true,
-    "editor.defaultFormatter": "ruby-syntax-tree.vscode-syntax-tree"
+    "editor.defaultFormatter": "Shopify.ruby-lsp"
   },
   "[handlebars]": {
     "editor.defaultFormatter": "esbenp.prettier-vscode",
@@ -33,4 +33,5 @@
 
   "task.autoDetect": "off",
   "eslint.debug": false,
+  "rubyLsp.formatter": "syntax_tree",
 }