diff --git a/include/problem/pickDeliver.hpp b/include/problem/pickDeliver.hpp
index 5140cd5b1..8072aa163 100644
--- a/include/problem/pickDeliver.hpp
+++ b/include/problem/pickDeliver.hpp
@@ -57,14 +57,14 @@ class PickDeliver {
     PickDeliver(
         Orders_t* p_orders, size_t p_orders_size,
         Vehicle_t* p_vehicles, size_t p_vehicles_size,
-        const Matrix &p_cost_matrix);
+        const Matrix &);
 
     /** @brief Override stops constructor */
     PickDeliver(
         Orders_t* p_orders, size_t p_orders_size,
         Vehicle_t* p_vehicles, size_t p_vehicles_size,
-        std::vector<Short_vehicle> new_stops,
-        const Matrix &p_cost_matrix);
+        std::vector<Short_vehicle>,
+        const Matrix &);
 
     virtual ~PickDeliver() = default;
 
diff --git a/include/problem/tw_node.hpp b/include/problem/tw_node.hpp
index e495a1ba5..35ef880d0 100644
--- a/include/problem/tw_node.hpp
+++ b/include/problem/tw_node.hpp
@@ -34,6 +34,8 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #include "cpp_common/identifier.hpp"
 #include "problem/node_types.hpp"
 
+using Orders_t = struct Orders_t;
+using Vehicle_t = struct Vehicle_t;
 
 namespace vrprouting {
 namespace problem {
diff --git a/src/common/e_report.c b/src/common/e_report.c
index ba33dcce0..f94f48893 100644
--- a/src/common/e_report.c
+++ b/src/common/e_report.c
@@ -31,7 +31,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  * ~~~~{.c}
  * std::ostringstream log;
  * log << "the message";
- * *log_msg = to_pg_msg(log.str().c_str());
+ * *log_msg = to_pg_msg(log.str());
  * ~~~~
  *
  * Then on the C side
diff --git a/src/pgr_pickDeliver/pgr_pickDeliver_driver.cpp b/src/pgr_pickDeliver/pgr_pickDeliver_driver.cpp
index 8dc4c4e6c..cefa32dc3 100644
--- a/src/pgr_pickDeliver/pgr_pickDeliver_driver.cpp
+++ b/src/pgr_pickDeliver/pgr_pickDeliver_driver.cpp
@@ -39,6 +39,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #include "cpp_common/assert.hpp"
 
 #include "cpp_common/orders_t.hpp"
+#include "cpp_common/vehicle_t.hpp"
 #include "initialsol/initials_code.hpp"
 #include "initialsol/simple.hpp"
 #include "optimizers/simple.hpp"