diff --git a/babel.config.js b/babel.config.js
index 8e4384cd0d..81afbda8fb 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -1,8 +1,5 @@
 module.exports = {
     sourceMaps: true,
-    assumptions: {
-        setPublicClassFields: true,
-    },
     presets: [
         [
             "@babel/preset-env",
diff --git a/tsconfig.json b/tsconfig.json
index ddceda407c..a3d3283d81 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,5 +1,6 @@
 {
     "compilerOptions": {
+        "useDefineForClassFields": true,
         "experimentalDecorators": false,
         "emitDecoratorMetadata": false,
         "resolveJsonModule": true,