diff --git a/vllm/core/scheduler.py b/vllm/core/scheduler.py
index c3bc6becf0995..b3d396f9cedda 100644
--- a/vllm/core/scheduler.py
+++ b/vllm/core/scheduler.py
@@ -1579,6 +1579,7 @@ def _preempt_by_recompute(
             seq.status = SequenceStatus.WAITING
             self.free_seq(seq)
             seq.reset_state_for_recompute()
+        self._free_seq_group_cross_attn_blocks(seq_group)
 
     def _preempt_by_swap(
         self,