diff --git a/openfold3/core/utils/chunk_utils.py b/openfold3/core/utils/chunk_utils.py
index c89e1d1c..af870cc7 100644
--- a/openfold3/core/utils/chunk_utils.py
+++ b/openfold3/core/utils/chunk_utils.py
@@ -363,7 +363,6 @@ def _determine_favorable_chunk_size(fn, args, min_chunk_size, max_chunk_size):
         candidates = [2**l for l in range(int(math.log(max_chunk_size, 2)) + 1)]
         candidates = [c for c in candidates if c > min_chunk_size]
         candidates = [min_chunk_size] + candidates
-        candidates[-1] += 4
 
         def test_chunk_size(chunk_size):
             try: