diff --git a/src/Interpreters/Aggregator.cpp b/src/Interpreters/Aggregator.cpp
index e2ddfbe3418..c3cfd0647be 100644
--- a/src/Interpreters/Aggregator.cpp
+++ b/src/Interpreters/Aggregator.cpp
@@ -11,11 +11,9 @@
 #include <DataTypes/DataTypeAggregateFunction.h>
 #include <DataTypes/DataTypeNullable.h>
 #include <DataTypes/DataTypeLowCardinality.h>
-#include <Columns/ColumnArray.h>
 #include <Columns/ColumnTuple.h>
 #include <Columns/ColumnSparse.h>
 #include <Formats/NativeWriter.h>
-#include <IO/WriteBufferFromFile.h>
 #include <Compression/CompressedWriteBuffer.h>
 #include <Interpreters/Aggregator.h>
 #include <AggregateFunctions/Combinators/AggregateFunctionArray.h>
@@ -23,7 +21,6 @@
 #include <IO/Operators.h>
 #include <Interpreters/JIT/compileFunction.h>
 #include <Interpreters/JIT/CompiledExpressionCache.h>
-#include <Core/ProtocolDefines.h>
 #include <Disks/TemporaryFileOnDisk.h>
 #include <Interpreters/TemporaryDataOnDisk.h>
 #include <Common/Stopwatch.h>
@@ -37,13 +34,13 @@
 #include <Common/typeid_cast.h>
 #include <Common/assert_cast.h>
 #include <Common/JSONBuilder.h>
-#include <Common/filesystemHelpers.h>
 #include <Common/scope_guard_safe.h>
 
 #include <Parsers/ASTSelectQuery.h>
 
 #include <Interpreters/AggregationUtils.h>
 
+
 namespace ProfileEvents
 {
     extern const Event ExternalAggregationWritePart;
@@ -1123,7 +1120,9 @@ void NO_INLINE Aggregator::executeImplBatch(
             return;
 
         /// For all rows.
-        AggregateDataPtr place = aggregates_pool->alloc(0);
+
+        /// This pointer is unused, but the logic will compare it for nullptr to check if the cell is set.
+        AggregateDataPtr place = reinterpret_cast<AggregateDataPtr>(0x1);
         if (all_keys_are_const)
         {
             state.emplaceKey(method.data, 0, *aggregates_pool).setMapped(place);