diff --git a/pageserver/src/walingest.rs b/pageserver/src/walingest.rs
index 8d4c1842bd..fda621ce1b 100644
--- a/pageserver/src/walingest.rs
+++ b/pageserver/src/walingest.rs
@@ -450,15 +450,6 @@ impl<'a> WalIngest<'a> {
             let info = decoded.xl_info & pg_constants::XLOG_HEAP_OPMASK;
             if info == pg_constants::XLOG_HEAP2_MULTI_INSERT {
                 let xlrec = XlHeapMultiInsert::decode(buf);
-
-                let offset_array_len = if decoded.xl_info & pg_constants::XLOG_HEAP_INIT_PAGE > 0 {
-                    // the offsets array is omitted if XLOG_HEAP_INIT_PAGE is set
-                    0
-                } else {
-                    std::mem::size_of::<u16>() * xlrec.ntuples as usize
-                };
-                assert_eq!(offset_array_len, buf.remaining());
-
                 if (xlrec.flags & pg_constants::XLH_INSERT_ALL_VISIBLE_CLEARED) != 0 {
                     new_heap_blkno = Some(decoded.blocks[0].blkno);
                 }