diff --git a/include/matador/query/internal/column_value_pair.hpp b/include/matador/query/internal/column_value_pair.hpp
index 41219e3..6524f44 100644
--- a/include/matador/query/internal/column_value_pair.hpp
+++ b/include/matador/query/internal/column_value_pair.hpp
@@ -12,10 +12,6 @@ namespace matador::query::internal {
 class column_value_pair {
 public:
   column_value_pair() = default;
-  // column_value_pair(table_column col, utils::database_type value);
-  // column_value_pair(const std::string& name, utils::database_type value);
-  // column_value_pair(const char *name, utils::database_type value);
-  // column_value_pair(const char *name, utils::placeholder p);
   column_value_pair(column_value_pair&& x) = default;
   column_value_pair& operator=(column_value_pair&& x) = default;
   column_value_pair(table_column col, column_expression_ptr expression);
@@ -24,12 +20,10 @@ public:
   friend bool operator!=(const column_value_pair &lhs, const column_value_pair &rhs);
 
   [[nodiscard]] const table_column& col() const;
-  // [[nodiscard]] const std::variant<utils::placeholder, utils::database_type>& value() const;
   [[nodiscard]] const abstract_column_expression& expression() const;
 
 private:
   table_column column_;
-  // std::variant<utils::placeholder, utils::database_type> value_;
   column_expression_ptr expression_;
 
 };
diff --git a/include/matador/query/internal/query_parts.hpp b/include/matador/query/internal/query_parts.hpp
index c669fad..b57818d 100644
--- a/include/matador/query/internal/query_parts.hpp
+++ b/include/matador/query/internal/query_parts.hpp
@@ -15,8 +15,6 @@
 #include <list>
 #include <memory>
 
-#include "matador/object/restriction.hpp"
-
 namespace matador::query::internal {
 
 class query_alter_part final : public query_part {
diff --git a/source/orm/query/internal/column_value_pair.cpp b/source/orm/query/internal/column_value_pair.cpp
index 9b8e834..34ffcba 100644
--- a/source/orm/query/internal/column_value_pair.cpp
+++ b/source/orm/query/internal/column_value_pair.cpp
@@ -3,26 +3,6 @@
 #include <utility>
 
 namespace matador::query::internal {
-
-// column_value_pair::column_value_pair(const std::string& name, utils::database_type value)
-// : column_(name)
-// , value_(std::move(value)) {
-// }
-//
-// column_value_pair::column_value_pair(table_column col, utils::database_type value)
-// : column_(std::move(col))
-// , value_(std::move(value)) {
-// }
-//
-// column_value_pair::column_value_pair(const char *name, utils::database_type value)
-// : column_(name)
-// , value_(std::move(value)) {
-// }
-//
-// column_value_pair::column_value_pair( const char* name, utils::placeholder p )
-// : column_(name)
-// , value_(p) {}
-
 column_value_pair::column_value_pair(table_column col, column_expression_ptr expression)
 : column_(std::move(col))
 , expression_(std::move(expression)){
@@ -32,10 +12,6 @@ const table_column &column_value_pair::col() const {
   return column_;
 }
 
-// const std::variant<utils::placeholder, utils::database_type>& column_value_pair::value() const {
-  // return value_;
-// }
-
 const abstract_column_expression& column_value_pair::expression() const {
   return *expression_;
 }