diff --git a/src/Interpreters/InterpreterSelectQuery.cpp b/src/Interpreters/InterpreterSelectQuery.cpp
index 187fdeb2b19..c9715523174 100644
--- a/src/Interpreters/InterpreterSelectQuery.cpp
+++ b/src/Interpreters/InterpreterSelectQuery.cpp
@@ -497,9 +497,6 @@ Block InterpreterSelectQuery::getSampleBlockImpl()
     bool second_stage = from_stage <= QueryProcessingStage::WithMergeableState
         && options.to_stage > QueryProcessingStage::WithMergeableState;
 
-    Names columns_required_for_sampling;
-    Names columns_required_for_;
-
     analysis_result = ExpressionAnalysisResult(
             *query_analyzer,
             metadata_snapshot,