diff --git a/calculate_parking_tickets/calculate_parking_tickets_algorithms.cpp b/calculate_parking_tickets/calculate_parking_tickets_algorithms.cpp
index d538bdc..045cb50 100644
--- a/calculate_parking_tickets/calculate_parking_tickets_algorithms.cpp
+++ b/calculate_parking_tickets/calculate_parking_tickets_algorithms.cpp
@@ -127,7 +127,7 @@ static bool checkCalculatePreConditions(parking_tariff_t const* tariff,
 }
 
 #define DEBUG_INTERNAL 0
-#define DEBUG_MAX_PRICE_AT_MIDNIGHT 1
+#define DEBUG_MAX_PRICE_AT_MIDNIGHT 0
 
 uint32_t compute_price_for_max_price_at_midnight(parking_tariff_t const *tariff,
                                                  QDateTime const &end,
@@ -373,7 +373,7 @@ bool compute_price_for_parking_ticket(parking_tariff_t const *tariff,
     return false;
 }
 
-#define DEBUG_COMPUTE_DURATION 1
+#define DEBUG_COMPUTE_DURATION 0
 
 bool compute_duration_for_parking_ticket(parking_tariff_t const *tariff,
                                          minute_t start_parking_time,