diff --git a/src/core/excelreader.cpp b/src/core/excelreader.cpp
index 37e2d80..4453988 100644
--- a/src/core/excelreader.cpp
+++ b/src/core/excelreader.cpp
@@ -3,9 +3,7 @@
 #include <xlnt/xlnt.hpp>
 #include <fstream>
 
-namespace fs = std::filesystem;
-
-void ExcelReader::readSellersFromFile(const fs::path& filePath, Marketplace* market)
+void ExcelReader::readSellersFromFile(const std::filesystem::path& filePath, Marketplace* market)
 {
     xlnt::workbook wb;
     std::ifstream mystream(filePath, std::ios::binary);
diff --git a/src/core/jsonutil.cpp b/src/core/jsonutil.cpp
index ab4f86c..cb6de76 100644
--- a/src/core/jsonutil.cpp
+++ b/src/core/jsonutil.cpp
@@ -5,9 +5,7 @@
 
 #include <fstream>
 
-namespace fs = std::filesystem;
-
-void JsonUtil::exportSellers(const fs::path& filePath, Marketplace* market)
+void JsonUtil::exportSellers(const std::filesystem::path& filePath, Marketplace* market)
 {
     Json::Value root;
     std::ofstream file(filePath);
@@ -31,7 +29,7 @@ void JsonUtil::exportSellers(const fs::path& filePath, Marketplace* market)
     writer->write(root, &file);
 }
 
-void JsonUtil::importSellers(const fs::path& filePath, Marketplace* market)
+void JsonUtil::importSellers(const std::filesystem::path& filePath, Marketplace* market)
 {
     for (auto& seller : market->getSellers()) {
         seller->setState(Seller::State::DELETE);
@@ -69,7 +67,7 @@ void JsonUtil::importSellers(const fs::path& filePath, Marketplace* market)
     market->storeToDb();
 }
 
-void JsonUtil::exportSales(const fs::path& filePath, Marketplace* market, int cashPointNo)
+void JsonUtil::exportSales(const std::filesystem::path& filePath, Marketplace* market, int cashPointNo)
 {
     Json::Value root;
     std::ofstream file(filePath);
@@ -108,7 +106,7 @@ void JsonUtil::exportSales(const fs::path& filePath, Marketplace* market, int ca
     writer->write(root, &file);
 }
 
-void JsonUtil::importSales(const fs::path& filePath, Marketplace* market, int cashPointNo)
+void JsonUtil::importSales(const std::filesystem::path& filePath, Marketplace* market, int cashPointNo)
 {
     Json::Value jsonValues;
     std::ifstream file(filePath);
diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index 28c4d6d..b643204 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -24,8 +24,6 @@
 #include <QStandardPaths>
 #include <QtGui/QDesktopServices>
 
-namespace fs = std::filesystem;
-
 constexpr int STATUSBAR_TIMEOUT = 5000;
 
 MainWindow::MainWindow()
@@ -380,7 +378,7 @@ void MainWindow::onImportSellerExcelActionTriggered()
     if (filename.isEmpty())
         return;
 
-    fs::path filePath(filename.toStdWString());
+    std::filesystem::path filePath(filename.toStdWString());
 
     ExcelReader::readSellersFromFile(filePath, marketplace_.get());
 }
@@ -401,7 +399,7 @@ void MainWindow::onImportSellerJsonActionTriggered()
     if (filename.isEmpty())
         return;
 
-    fs::path filePath(filename.toStdWString());
+    std::filesystem::path filePath(filename.toStdWString());
 
     JsonUtil::importSellers(filePath, marketplace_.get());
 }
@@ -414,7 +412,7 @@ void MainWindow::onExportSellerJsonActionTriggered()
     if (filename.isEmpty())
         return;
 
-    fs::path filePath(filename.toStdWString());
+    std::filesystem::path filePath(filename.toStdWString());
 
     JsonUtil::exportSellers(filePath, marketplace_.get());
 }
@@ -429,7 +427,7 @@ void MainWindow::onExportSalesJsonActionTriggered()
     if (filename.isEmpty())
         return;
 
-    fs::path filePath(filename.toStdWString());
+    std::filesystem::path filePath(filename.toStdWString());
 
     JsonUtil::exportSales(filePath, marketplace_.get(),
                           settings.value("global/cashPointNo").toInt());
@@ -445,7 +443,7 @@ void MainWindow::onImportSalesJsonActionTriggered()
     if (filename.isEmpty())
         return;
 
-    fs::path filePath(filename.toStdWString());
+    std::filesystem::path filePath(filename.toStdWString());
 
     delete ui_.salesView->model();
     try {