diff --git a/dbms/include/DB/Storages/MergeTree/MergeTreeBlockInputStream.h b/dbms/include/DB/Storages/MergeTree/MergeTreeBlockInputStream.h
index 6cdd8e9b6b9..d7c76819b42 100644
--- a/dbms/include/DB/Storages/MergeTree/MergeTreeBlockInputStream.h
+++ b/dbms/include/DB/Storages/MergeTree/MergeTreeBlockInputStream.h
@@ -164,7 +164,7 @@ protected:
 			injectRequiredColumns(columns);
 			injectRequiredColumns(pre_columns);
 
-			UncompressedCache * uncompressed_cache = use_uncompressed_cache ? storage.context.getUncompressedCache() : NULL;
+			UncompressedCache * uncompressed_cache = use_uncompressed_cache ? storage.context.getUncompressedCache() : nullptr;
 			reader.reset(new MergeTreeReader(path, owned_data_part, columns, uncompressed_cache, storage, all_mark_ranges));
 			if (prewhere_actions)
 				pre_reader.reset(new MergeTreeReader(path, owned_data_part, pre_columns, uncompressed_cache, storage,
diff --git a/dbms/include/DB/Storages/MergeTree/MergeTreeReader.h b/dbms/include/DB/Storages/MergeTree/MergeTreeReader.h
index 1a43cfbcb7b..0896dff40fd 100644
--- a/dbms/include/DB/Storages/MergeTree/MergeTreeReader.h
+++ b/dbms/include/DB/Storages/MergeTree/MergeTreeReader.h
@@ -168,6 +168,8 @@ public:
 		if (!minimum_size_column)
 			throw std::logic_error{"could not find a column of minimum size in MergeTree"};
 
+		minimum_size_column_name = minimum_size_column->name;
+
 		ColumnWithNameAndType column{
 			minimum_size_column->type->createColumn(),
 			minimum_size_column->type,
@@ -242,6 +244,9 @@ public:
 
 			/// evaluate defaulted columns
 			evaluateMissingDefaults(res, columns, storage.column_defaults, storage.context);
+
+			if (!minimum_size_column_name.empty())
+				res.erase(minimum_size_column_name);
 		}
 		catch (const Exception & e)
 		{
@@ -369,6 +374,7 @@ private:
 	bool use_uncompressed_cache;
 	MergeTreeData & storage;
 	const MarkRanges & all_mark_ranges;
+	String minimum_size_column_name;
 
 	void addStream(const String & name, const IDataType & type, const MarkRanges & all_mark_ranges, size_t level = 0)
 	{