diff --git a/src/passes/ReorderLocals.cpp b/src/passes/ReorderLocals.cpp
index a569a4ce8c4..900c4f9109e 100644
--- a/src/passes/ReorderLocals.cpp
+++ b/src/passes/ReorderLocals.cpp
@@ -116,11 +116,9 @@ struct ReorderLocals : public WalkerPass<PostWalker<ReorderLocals>> {
     }
     // apply the renaming to AST nodes
     struct ReIndexer : public PostWalker<ReIndexer> {
-      Function* func;
       std::vector<Index>& oldToNew;
 
-      ReIndexer(Function* func, std::vector<Index>& oldToNew)
-        : func(func), oldToNew(oldToNew) {}
+      ReIndexer(std::vector<Index>& oldToNew) : oldToNew(oldToNew) {}
 
       void visitLocalGet(LocalGet* curr) {
         curr->index = oldToNew[curr->index];
@@ -130,7 +128,7 @@ struct ReorderLocals : public WalkerPass<PostWalker<ReorderLocals>> {
         curr->index = oldToNew[curr->index];
       }
     };
-    ReIndexer reIndexer(curr, oldToNew);
+    ReIndexer reIndexer(oldToNew);
     reIndexer.walk(curr->body);
     // apply to the names
     auto oldLocalNames = curr->localNames;