diff --git a/Plugins/BridgeJS/Sources/BridgeJSLink/BridgeJSLink.swift b/Plugins/BridgeJS/Sources/BridgeJSLink/BridgeJSLink.swift
index 1be1f4966..13ea4e910 100644
--- a/Plugins/BridgeJS/Sources/BridgeJSLink/BridgeJSLink.swift
+++ b/Plugins/BridgeJS/Sources/BridgeJSLink/BridgeJSLink.swift
@@ -602,6 +602,11 @@ public struct BridgeJSLink {
                     printer.write("return pointer || 0;")
                 }
                 printer.write("}")
+                // Always provide swift_js_closure_unregister as a no-op by default.
+                // The @_extern(wasm) declaration in BridgeJSIntrinsics.swift is unconditional,
+                // so the WASM binary always imports this symbol. When closures ARE used,
+                // the real implementation below will override this no-op.
+                printer.write("bjs[\"swift_js_closure_unregister\"] = function(funcRef) {}")
 
                 for unified in skeletons {
                     let moduleName = unified.moduleName
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/ArrayTypes.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/ArrayTypes.js
index 5b8c451e2..d858d8e38 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/ArrayTypes.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/ArrayTypes.js
@@ -236,6 +236,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Async.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Async.js
index 40ff4884a..0f4dce413 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Async.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Async.js
@@ -197,6 +197,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
         },
         setInstance: (i) => {
             instance = i;
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/DefaultParameters.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/DefaultParameters.js
index c7b1dc093..079618bbf 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/DefaultParameters.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/DefaultParameters.js
@@ -272,6 +272,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/DictionaryTypes.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/DictionaryTypes.js
index 5453ec525..54f00021d 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/DictionaryTypes.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/DictionaryTypes.js
@@ -198,6 +198,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumAssociatedValue.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumAssociatedValue.js
index f04b464c6..18c6999c1 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumAssociatedValue.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumAssociatedValue.js
@@ -1054,6 +1054,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumCase.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumCase.js
index 0c8eee729..6ed445811 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumCase.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumCase.js
@@ -221,6 +221,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
         },
         setInstance: (i) => {
             instance = i;
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumNamespace.Global.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumNamespace.Global.js
index 28cfe9dd9..55f995024 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumNamespace.Global.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumNamespace.Global.js
@@ -241,6 +241,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumNamespace.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumNamespace.js
index a933ed735..179712fef 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumNamespace.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumNamespace.js
@@ -222,6 +222,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumRawType.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumRawType.js
index 06ebbe269..0855f11ec 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumRawType.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/EnumRawType.js
@@ -273,6 +273,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             const TestModule = importObject["TestModule"] = importObject["TestModule"] || {};
             TestModule["bjs_takesFeatureFlag"] = function bjs_takesFeatureFlag(flag) {
                 try {
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/GlobalGetter.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/GlobalGetter.js
index 97f34b1bb..c9ccf98fe 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/GlobalGetter.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/GlobalGetter.js
@@ -198,6 +198,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             const TestModule = importObject["TestModule"] = importObject["TestModule"] || {};
             TestModule["bjs_console_get"] = function bjs_console_get() {
                 try {
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/GlobalThisImports.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/GlobalThisImports.js
index bc186d4c1..947ee4d11 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/GlobalThisImports.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/GlobalThisImports.js
@@ -197,6 +197,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             const TestModule = importObject["TestModule"] = importObject["TestModule"] || {};
             TestModule["bjs_console_get"] = function bjs_console_get() {
                 try {
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/ImportArray.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/ImportArray.js
index 3a04c5308..6c56cce6f 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/ImportArray.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/ImportArray.js
@@ -198,6 +198,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             const TestModule = importObject["TestModule"] = importObject["TestModule"] || {};
             TestModule["bjs_roundtrip"] = function bjs_roundtrip() {
                 try {
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/ImportedTypeInExportedInterface.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/ImportedTypeInExportedInterface.js
index 4f3fa39a6..b0674f388 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/ImportedTypeInExportedInterface.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/ImportedTypeInExportedInterface.js
@@ -273,6 +273,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             const TestModule = importObject["TestModule"] = importObject["TestModule"] || {};
             TestModule["bjs_Foo_init"] = function bjs_Foo_init() {
                 try {
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/InvalidPropertyNames.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/InvalidPropertyNames.js
index d3514253a..9ac03ee73 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/InvalidPropertyNames.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/InvalidPropertyNames.js
@@ -198,6 +198,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             const TestModule = importObject["TestModule"] = importObject["TestModule"] || {};
             TestModule["bjs_createWeirdObject"] = function bjs_createWeirdObject() {
                 try {
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/JSClass.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/JSClass.js
index 2bbddd396..6e9100b11 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/JSClass.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/JSClass.js
@@ -198,6 +198,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             const TestModule = importObject["TestModule"] = importObject["TestModule"] || {};
             TestModule["bjs_returnAnimatable"] = function bjs_returnAnimatable() {
                 try {
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/JSClassStaticFunctions.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/JSClassStaticFunctions.js
index c05e4e114..b466d0900 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/JSClassStaticFunctions.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/JSClassStaticFunctions.js
@@ -198,6 +198,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             const TestModule = importObject["TestModule"] = importObject["TestModule"] || {};
             TestModule["bjs_StaticBox_create_static"] = function bjs_StaticBox_create_static(value) {
                 try {
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/JSValue.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/JSValue.js
index 754a17e3c..888a11a4c 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/JSValue.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/JSValue.js
@@ -287,6 +287,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/MixedGlobal.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/MixedGlobal.js
index d9521754f..7bb3c14d6 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/MixedGlobal.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/MixedGlobal.js
@@ -197,6 +197,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/MixedModules.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/MixedModules.js
index 907e955b1..ac2270b9f 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/MixedModules.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/MixedModules.js
@@ -197,6 +197,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: GlobalModule
             if (!importObject["GlobalModule"]) {
                 importObject["GlobalModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/MixedPrivate.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/MixedPrivate.js
index cbeae41d8..3205ef5d0 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/MixedPrivate.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/MixedPrivate.js
@@ -197,6 +197,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Namespaces.Global.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Namespaces.Global.js
index 92aeeae95..ed8f6db8b 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Namespaces.Global.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Namespaces.Global.js
@@ -197,6 +197,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Namespaces.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Namespaces.js
index e2f425455..c148f0761 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Namespaces.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Namespaces.js
@@ -197,6 +197,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Optionals.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Optionals.js
index 923a1f354..b69033543 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Optionals.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Optionals.js
@@ -198,6 +198,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/PrimitiveParameters.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/PrimitiveParameters.js
index e148b94ac..11a199b71 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/PrimitiveParameters.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/PrimitiveParameters.js
@@ -198,6 +198,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             const TestModule = importObject["TestModule"] = importObject["TestModule"] || {};
             TestModule["bjs_check"] = function bjs_check(a, b) {
                 try {
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/PrimitiveReturn.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/PrimitiveReturn.js
index b803936d0..bb1e7ad40 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/PrimitiveReturn.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/PrimitiveReturn.js
@@ -198,6 +198,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             const TestModule = importObject["TestModule"] = importObject["TestModule"] || {};
             TestModule["bjs_checkNumber"] = function bjs_checkNumber() {
                 try {
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/PropertyTypes.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/PropertyTypes.js
index 916d5e1b5..4e8e86821 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/PropertyTypes.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/PropertyTypes.js
@@ -197,6 +197,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Protocol.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Protocol.js
index ee1a2345c..57587d84a 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Protocol.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Protocol.js
@@ -260,6 +260,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StaticFunctions.Global.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StaticFunctions.Global.js
index d07af4cdb..fcf19c54f 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StaticFunctions.Global.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StaticFunctions.Global.js
@@ -247,6 +247,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StaticFunctions.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StaticFunctions.js
index 63c5c964b..5e82061d9 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StaticFunctions.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StaticFunctions.js
@@ -247,6 +247,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StaticProperties.Global.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StaticProperties.Global.js
index c1d59bf69..ad44e80fa 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StaticProperties.Global.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StaticProperties.Global.js
@@ -202,6 +202,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StaticProperties.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StaticProperties.js
index f086f2919..fb43d426b 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StaticProperties.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StaticProperties.js
@@ -202,6 +202,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StringParameter.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StringParameter.js
index 20ea91e3c..1ee9f519e 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StringParameter.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StringParameter.js
@@ -198,6 +198,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             const TestModule = importObject["TestModule"] = importObject["TestModule"] || {};
             TestModule["bjs_checkString"] = function bjs_checkString(a) {
                 try {
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StringReturn.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StringReturn.js
index 0f002bf31..02833d1c6 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StringReturn.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/StringReturn.js
@@ -198,6 +198,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             const TestModule = importObject["TestModule"] = importObject["TestModule"] || {};
             TestModule["bjs_checkString"] = function bjs_checkString() {
                 try {
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftClass.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftClass.js
index ee4333f03..6002d190f 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftClass.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftClass.js
@@ -197,6 +197,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftClosure.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftClosure.js
index a6966ae40..38c248cae 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftClosure.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftClosure.js
@@ -323,6 +323,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             bjs["swift_js_closure_unregister"] = function(funcRef) {
                 const func = swift.memory.getObject(funcRef);
                 func.__unregister();
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftClosureImports.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftClosureImports.js
index c61b71313..57b34d426 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftClosureImports.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftClosureImports.js
@@ -223,6 +223,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             bjs["swift_js_closure_unregister"] = function(funcRef) {
                 const func = swift.memory.getObject(funcRef);
                 func.__unregister();
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftStruct.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftStruct.js
index b4cf995cb..3f42f3103 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftStruct.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftStruct.js
@@ -532,6 +532,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             // Wrapper functions for module: TestModule
             if (!importObject["TestModule"]) {
                 importObject["TestModule"] = {};
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftStructImports.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftStructImports.js
index 959572255..751b28959 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftStructImports.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/SwiftStructImports.js
@@ -223,6 +223,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             const TestModule = importObject["TestModule"] = importObject["TestModule"] || {};
             TestModule["bjs_translate"] = function bjs_translate(point, dx, dy) {
                 try {
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Throws.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Throws.js
index 487645d70..50276543c 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Throws.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/Throws.js
@@ -197,6 +197,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
         },
         setInstance: (i) => {
             instance = i;
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/UnsafePointer.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/UnsafePointer.js
index dc478a642..29474892f 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/UnsafePointer.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/UnsafePointer.js
@@ -228,6 +228,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
         },
         setInstance: (i) => {
             instance = i;
diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/VoidParameterVoidReturn.js b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/VoidParameterVoidReturn.js
index 428c422e0..de17f5edc 100644
--- a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/VoidParameterVoidReturn.js
+++ b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/VoidParameterVoidReturn.js
@@ -198,6 +198,7 @@ export async function createInstantiator(options, swift) {
                 tmpRetOptionalHeapObject = undefined;
                 return pointer || 0;
             }
+            bjs["swift_js_closure_unregister"] = function(funcRef) {}
             const TestModule = importObject["TestModule"] = importObject["TestModule"] || {};
             TestModule["bjs_check"] = function bjs_check() {
                 try {