diff --git a/tests/integration/defs/perf/test_perf_sanity.py b/tests/integration/defs/perf/test_perf_sanity.py
index 57ff8c2b457b..84e76a1aba95 100644
--- a/tests/integration/defs/perf/test_perf_sanity.py
+++ b/tests/integration/defs/perf/test_perf_sanity.py
@@ -2192,8 +2192,6 @@ def _parse_disagg_config_file(self, config_file_path: str, config_file: str):
             ctx_config = dict(worker_config.get("ctx", {}))
             # Ignore cache_transceiver_config for ctx_only
             ctx_config.pop("cache_transceiver_config", None)
-            # Disable overlap scheduler for ctx_only
-            ctx_config["disable_overlap_scheduler"] = True
 
             # Create server config for ctx_only (single ServerConfig, not tuple)
             ctx_server_config_data = {