diff --git a/be/src/pipeline/exec/partition_sort_source_operator.cpp b/be/src/pipeline/exec/partition_sort_source_operator.cpp
index 6d355477ab871c..bb7cd3f90b7685 100644
--- a/be/src/pipeline/exec/partition_sort_source_operator.cpp
+++ b/be/src/pipeline/exec/partition_sort_source_operator.cpp
@@ -97,7 +97,6 @@ Status PartitionSortSourceOperatorX::get_sorted_block(RuntimeState* state,
     }
     if (current_eos) {
         // current sort have eos, so get next idx
-        local_state._shared_state->partition_sorts[local_state._sort_idx].reset(nullptr);
         local_state._sort_idx++;
     }