5 files changed, 16 insertions, 1 deletions
diff --git a/runtime/js/40_fs_events.js b/runtime/js/40_fs_events.js
index a0495540c..2140f29eb 100644
--- a/runtime/js/40_fs_events.js
+++ b/runtime/js/40_fs_events.js
@@ -23,6 +23,7 @@ class FsWatcher {
   constructor(paths, options) {
     if (internals.future) {
       ObjectDefineProperty(this, "rid", {
+        __proto__: null,
         enumerable: false,
         value: undefined,
       });
@@ -79,7 +80,7 @@ class FsWatcher {
 
 function watchFs(
   paths,
-  options = { recursive: true },
+  options = { __proto__: null, recursive: true },
 ) {
   return new FsWatcher(ArrayIsArray(paths) ? paths : [paths], options);
 }
diff --git a/runtime/js/40_process.js b/runtime/js/40_process.js
index 954d8d00b..358805180 100644
--- a/runtime/js/40_process.js
+++ b/runtime/js/40_process.js
@@ -463,6 +463,7 @@ class Command {
 
   spawn() {
     const options = {
+      __proto__: null,
       ...(this.#options ?? {}),
       stdout: this.#options?.stdout ?? "inherit",
       stderr: this.#options?.stderr ?? "inherit",
diff --git a/runtime/js/98_global_scope_window.js b/runtime/js/98_global_scope_window.js
index aa18ed361..27a3d309a 100644
--- a/runtime/js/98_global_scope_window.js
+++ b/runtime/js/98_global_scope_window.js
@@ -60,6 +60,7 @@ const language = memoizeLazy(() => op_bootstrap_language());
 
 ObjectDefineProperties(Navigator.prototype, {
   gpu: {
+    __proto__: null,
     configurable: true,
     enumerable: true,
     get() {
@@ -69,6 +70,7 @@ ObjectDefineProperties(Navigator.prototype, {
     },
   },
   hardwareConcurrency: {
+    __proto__: null,
     configurable: true,
     enumerable: true,
     get() {
@@ -77,6 +79,7 @@ ObjectDefineProperties(Navigator.prototype, {
     },
   },
   userAgent: {
+    __proto__: null,
     configurable: true,
     enumerable: true,
     get() {
@@ -85,6 +88,7 @@ ObjectDefineProperties(Navigator.prototype, {
     },
   },
   language: {
+    __proto__: null,
     configurable: true,
     enumerable: true,
     get() {
@@ -93,6 +97,7 @@ ObjectDefineProperties(Navigator.prototype, {
     },
   },
   languages: {
+    __proto__: null,
     configurable: true,
     enumerable: true,
     get() {
diff --git a/runtime/js/98_global_scope_worker.js b/runtime/js/98_global_scope_worker.js
index 8e292108f..4dc615786 100644
--- a/runtime/js/98_global_scope_worker.js
+++ b/runtime/js/98_global_scope_worker.js
@@ -58,6 +58,7 @@ const workerNavigator = webidl.createBranded(WorkerNavigator);
 
 ObjectDefineProperties(WorkerNavigator.prototype, {
   gpu: {
+    __proto__: null,
     configurable: true,
     enumerable: true,
     get() {
@@ -67,6 +68,7 @@ ObjectDefineProperties(WorkerNavigator.prototype, {
     },
   },
   hardwareConcurrency: {
+    __proto__: null,
     configurable: true,
     enumerable: true,
     get() {
@@ -75,6 +77,7 @@ ObjectDefineProperties(WorkerNavigator.prototype, {
     },
   },
   userAgent: {
+    __proto__: null,
     configurable: true,
     enumerable: true,
     get() {
@@ -83,6 +86,7 @@ ObjectDefineProperties(WorkerNavigator.prototype, {
     },
   },
   language: {
+    __proto__: null,
     configurable: true,
     enumerable: true,
     get() {
@@ -91,6 +95,7 @@ ObjectDefineProperties(WorkerNavigator.prototype, {
     },
   },
   languages: {
+    __proto__: null,
     configurable: true,
     enumerable: true,
     get() {
diff --git a/runtime/js/99_main.js b/runtime/js/99_main.js
index d83bfbff1..2d5c96f6a 100644
--- a/runtime/js/99_main.js
+++ b/runtime/js/99_main.js
@@ -92,12 +92,14 @@ if (Symbol.metadata) {
 }
 ObjectDefineProperties(Symbol, {
   dispose: {
+    __proto__: null,
     value: SymbolDispose,
     enumerable: false,
     writable: false,
     configurable: false,
   },
   metadata: {
+    __proto__: null,
     value: SymbolMetadata,
     enumerable: false,
     writable: false,
@@ -533,6 +535,7 @@ ObjectDefineProperties(finalDenoNs, {
   args: core.propGetterOnly(opArgs),
   mainModule: core.propGetterOnly(() => op_main_module()),
   exitCode: {
+    __proto__: null,
     get() {
       return os.getExitCode();
     },