diff --git a/src/domain/wasm-worker-protocol.ts b/src/domain/wasm-worker-protocol.ts
index 43a6041f..95208660 100644
--- a/src/domain/wasm-worker-protocol.ts
+++ b/src/domain/wasm-worker-protocol.ts
@@ -19,7 +19,6 @@ import type {
   Export,
   Import,
   LanguageId,
-  ParamBinding,
   TypeMapEntry,
 } from '../types.js';
 
@@ -75,7 +74,6 @@ export interface SerializedExtractorOutput {
   newExpressions?: readonly string[];
   returnTypeMap?: Array<[string, TypeMapEntry]>;
   callAssignments?: CallAssignment[];
-  paramBindings?: ParamBinding[];
 }
 
 export interface WorkerParseResponseOk {
diff --git a/tests/parsers/javascript.test.ts b/tests/parsers/javascript.test.ts
index 1cb8ad5d..1411f42d 100644
--- a/tests/parsers/javascript.test.ts
+++ b/tests/parsers/javascript.test.ts
@@ -908,4 +908,29 @@ describe('JavaScript parser', () => {
       );
     });
   });
+
+  describe('Phase 8.3e: extractSpreadForOfWalk — exported arrow function funcStack (#1354)', () => {
+    it('tracks plain const arrow function on funcStack for for-of loop', () => {
+      const symbols = parseJS(`const f = (arr) => { for (const x of arr) x(); };`);
+      expect(symbols.forOfBindings).toContainEqual(expect.objectContaining({ enclosingFunc: 'f' }));
+    });
+
+    it('tracks exported const arrow function on funcStack for for-of loop', () => {
+      const symbols = parseJS(`export const f = (arr) => { for (const x of arr) x(); };`);
+      expect(symbols.forOfBindings).toContainEqual(expect.objectContaining({ enclosingFunc: 'f' }));
+    });
+
+    it('records correct varName and sourceName for exported arrow for-of', () => {
+      const symbols = parseJS(
+        `export const handleItems = (items) => { for (const cb of items) cb(); };`,
+      );
+      expect(symbols.forOfBindings).toContainEqual(
+        expect.objectContaining({
+          varName: 'cb',
+          sourceName: 'items',
+          enclosingFunc: 'handleItems',
+        }),
+      );
+    });
+  });
 });