diff --git a/tests/ember-data__graph/ember-cli-build.js b/tests/ember-data__graph/ember-cli-build.js
index 436ede741f..837d9d3e6d 100644
--- a/tests/ember-data__graph/ember-cli-build.js
+++ b/tests/ember-data__graph/ember-cli-build.js
@@ -20,6 +20,9 @@ module.exports = async function (defaults) {
 
   setConfig(app, __dirname, {
     compatWith: process.env.EMBER_DATA_FULL_COMPAT ? '99.0' : null,
+    deprecations: {
+      DISABLE_6X_DEPRECATIONS: false,
+    },
   });
 
   app.import('node_modules/@warp-drive/diagnostic/dist/styles/dom-reporter.css');