diff --git a/tests/unit/test_fmha_v3_diag.py b/tests/unit/test_fmha_v3_diag.py
index d37c141a..532f5e44 100644
--- a/tests/unit/test_fmha_v3_diag.py
+++ b/tests/unit/test_fmha_v3_diag.py
@@ -167,7 +167,7 @@ class FmhaV3Diag:
             cute.copy(tma_q, tAgQ[(None, Int32(0))], tAsQ[(None, qh.index)], tma_bar_ptr=qh.barrier)
             qp.tail()
             kvp.reset(); pk = kvp.try_acquire()
-            for kt in cutlass.range(self.n_kv_tiles, unroll=1):
+            for kt in range(self.n_kv_tiles):
                 coord = Int32(kt)
                 kvh = kvp.acquire_and_advance(pk)
                 cute.copy(tma_k, tBgK[(None, coord)], tBsK[(None, kvh.index)], tma_bar_ptr=kvh.barrier)