diff --git a/src/core/marketplace.h b/src/core/marketplace.h
index 41be492..5fc8ae2 100644
--- a/src/core/marketplace.h
+++ b/src/core/marketplace.h
@@ -56,9 +56,9 @@ class Marketplace
     friend class ExcelReader;
 
   private:
-    SellersVec sellers_{500};
-    SalesVec sales_{50000};
-    BasketVec basket_{50};
+    SellersVec sellers_;
+    SalesVec sales_;
+    BasketVec basket_;
 };
 
 double marketFee(int sumInCent, int percent, int maxFeeInCent);