diff --git a/util/wasm/batchedtestrunner/qwasmjsruntime.js b/util/wasm/batchedtestrunner/qwasmjsruntime.js
index c560f38ea48..b8603f26181 100644
--- a/util/wasm/batchedtestrunner/qwasmjsruntime.js
+++ b/util/wasm/batchedtestrunner/qwasmjsruntime.js
@@ -176,12 +176,6 @@ export class CompiledModule {
         instanceParams.monitorRunDependencies = (name) => { };
         instanceParams.print = (text) => true && console.log(text);
         instanceParams.printErr = (text) => true && console.warn(text);
-        instanceParams.preRun = [
-            (instance) => {
-                const env = {};
-                instance.ENV = env;
-            },
-        ];
 
         instanceParams.mainScriptUrlOrBlob = new Blob([this.#js], {
             type: 'text/javascript',