diff --git a/src/Interpreters/ExpressionActions.cpp b/src/Interpreters/ExpressionActions.cpp
index 73e4bf9fde5..a51e8fe485c 100644
--- a/src/Interpreters/ExpressionActions.cpp
+++ b/src/Interpreters/ExpressionActions.cpp
@@ -69,9 +69,6 @@ ExpressionActions::ExpressionActions(ActionsDAGPtr actions_dag_)
         throw Exception(ErrorCodes::TOO_MANY_TEMPORARY_COLUMNS,
                         "Too many temporary columns: {}. Maximum: {}",
                         actions_dag->dumpNames(), std::to_string(settings.max_temporary_columns));
-
-    max_temporary_non_const_columns = settings.max_temporary_non_const_columns;
-    project_input = settings.project_input;
 }
 
 ExpressionActionsPtr ExpressionActions::clone() const
@@ -259,6 +256,7 @@ std::string ExpressionActions::Action::toString() const
 
 void ExpressionActions::checkLimits(const ColumnsWithTypeAndName & columns) const
 {
+    auto max_temporary_non_const_columns = actions_dag->getSettings().max_temporary_non_const_columns;
     if (max_temporary_non_const_columns)
     {
         size_t non_const_columns = 0;
@@ -440,7 +438,7 @@ void ExpressionActions::execute(Block & block, size_t & num_rows, bool dry_run)
         }
     }
 
-    if (project_input)
+    if (actions_dag->getSettings().project_input)
     {
         block.clear();
     }
@@ -528,7 +526,7 @@ std::string ExpressionActions::dumpActions() const
     for (const auto & output_column : output_columns)
         ss << output_column.name << " " << output_column.type->getName() << "\n";
 
-    ss << "\nproject input: " << project_input << "\noutput positions:";
+    ss << "\nproject input: " << actions_dag->getSettings().project_input << "\noutput positions:";
     for (auto pos : result_positions)
         ss << " " << pos;
     ss << "\n";
@@ -706,6 +704,7 @@ ActionsDAGPtr ActionsDAG::splitActionsBeforeArrayJoin(const NameSet & array_join
     auto split_actions = cloneEmpty();
     split_actions->nodes.swap(split_nodes);
     split_actions->index.swap(split_index);
+    split_actions->settings.project_input = false;
 
     return split_actions;
 }
diff --git a/src/Interpreters/ExpressionActions.h b/src/Interpreters/ExpressionActions.h
index 493e07b8bdf..e62f79614b4 100644
--- a/src/Interpreters/ExpressionActions.h
+++ b/src/Interpreters/ExpressionActions.h
@@ -273,8 +273,10 @@ private:
 };
 
 
-/** Contains a sequence of actions on the block.
-  */
+/// Sequence of actions on the block.
+/// Is used to calculate expressions.
+///
+/// Takes ActionsDAG and orders actions using top-sort.
 class ExpressionActions
 {
 public:
@@ -313,11 +315,6 @@ private:
     ColumnNumbers result_positions;
     Block sample_block;
 
-    /// This flag means that all columns except input will be removed from block before execution.
-    bool project_input = false;
-
-    size_t max_temporary_non_const_columns = 0;
-
     friend class ActionsDAG;
 
 public:
@@ -330,9 +327,6 @@ public:
     const std::list<Node> & getNodes() const { return actions_dag->getNodes(); }
     const ActionsDAG & getActionsDAG() const { return *actions_dag; }
 
-    /// Adds to the beginning the removal of all extra columns.
-    void projectInput() { project_input = true; }
-
     /// Get a list of input columns.
     Names getRequiredColumns() const;
     const NamesAndTypesList & getRequiredColumnsWithTypes() const { return required_columns; }