diff --git a/tests/scripts/perf-sanity/disaggregated/gb300_deepseek-v4-pro-fp4_8k1k_con8_ctx1_dep4_gen4_tep8_eplb0_mtp3_ccb-NIXL.yaml b/tests/scripts/perf-sanity/disaggregated/gb300_deepseek-v4-pro-fp4_8k1k_con8_ctx1_dep4_gen4_tep8_eplb0_mtp3_ccb-NIXL.yaml
index 5977b36bcb71..b54449034d31 100644
--- a/tests/scripts/perf-sanity/disaggregated/gb300_deepseek-v4-pro-fp4_8k1k_con8_ctx1_dep4_gen4_tep8_eplb0_mtp3_ccb-NIXL.yaml
+++ b/tests/scripts/perf-sanity/disaggregated/gb300_deepseek-v4-pro-fp4_8k1k_con8_ctx1_dep4_gen4_tep8_eplb0_mtp3_ccb-NIXL.yaml
@@ -103,5 +103,5 @@ worker_config:
       kv_transfer_timeout_ms: 600000
       backend: NIXL
       transceiver_runtime: PYTHON
-    disable_overlap_scheduler: false
+    disable_overlap_scheduler: true
     speculative_config: *id001