diff --git a/compiler-rt/lib/scudo/standalone/primary64.h b/compiler-rt/lib/scudo/standalone/primary64.h
--- a/compiler-rt/lib/scudo/standalone/primary64.h
+++ b/compiler-rt/lib/scudo/standalone/primary64.h
@@ -743,16 +743,6 @@
     Region->FreeListInfo.PushedBlocks += Size;
     BatchGroup *Cur = Region->FreeListInfo.BlockList.front();
 
-    if (ClassId == SizeClassMap::BatchClassId) {
-      if (Cur == nullptr) {
-        // Don't need to classify BatchClassId.
-        Cur = CreateGroup(/*CompactPtrGroupBase=*/0);
-        Region->FreeListInfo.BlockList.push_front(Cur);
-      }
-      InsertBlocks(Cur, Array, Size);
-      return;
-    }
-
     // In the following, `Cur` always points to the BatchGroup for blocks that
     // will be pushed next. `Prev` is the element right before `Cur`.
     BatchGroup *Prev = nullptr;