diff --git a/test/test_ccaosdb.cpp b/test/test_ccaosdb.cpp
index dfc9e4e04f4cc74818a933857b18e94df07c396d..f8e9278c758c392de0656636a25a65d991a352e5 100644
--- a/test/test_ccaosdb.cpp
+++ b/test/test_ccaosdb.cpp
@@ -22,17 +22,15 @@
 #include "caosdb/message_code.h"                  // for ENTITY_DOES_NOT_EXIST
 #include "caosdb/status_code.h"                   // for GO_ON, StatusCode
 #include "ccaosdb.h"                              // for caosdb_connection_...
-#include <boost/filesystem/operations.hpp>        // for remove
-#include <boost/filesystem/path.hpp>              // for path
-#include <boost/filesystem/path_traits.hpp>       // for filesystem
 #include <cstring>                                // for strcmp
+#include <filesystem>                             // for remove
 #include <gtest/gtest-message.h>                  // for Message
 #include <gtest/gtest-test-part.h>                // for TestPartResult
 #include <gtest/gtest_pred_impl.h>                // for EXPECT_EQ, TestInfo
 #include <iostream>                               // for operator<<, endl
 #include <string>                                 // for allocator, string
 
-namespace fs = boost::filesystem;
+namespace fs = std::filesystem;
 class test_ccaosdb : public ::testing::Test {
 protected:
   fs::path test_upload_file_1;
diff --git a/test/test_connection.cpp b/test/test_connection.cpp
index 4b321dd2c91c8400f06d3b6b9c9c3e07fc0c3744..6e0839e2e56b6153cdcf3f004360d10a3244d940 100644
--- a/test/test_connection.cpp
+++ b/test/test_connection.cpp
@@ -18,7 +18,6 @@
  * along with this program. If not, see <https://www.gnu.org/licenses/>.
  *
  */
-#include "boost/filesystem/path.hpp"     // for path
 #include "caosdb/authentication.h"       // for PlainPasswordAuthenticator
 #include "caosdb/certificate_provider.h" // for PemFileCertificateProvider
 #include "caosdb/configuration.h"        // for InsecureConnectionConfigura...
@@ -28,7 +27,8 @@
 #include "caosdb/info.h"                 // for VersionInfo
 #include "caosdb/utility.h"              // for get_env_fallback
 #include "caosdb_test_utility.h"         // for EXPECT_THROW_MESSAGE
-#include "gtest/gtest_pred_impl.h" // NOLINT TODO how to fix this? for Test, TestInfo, TEST, EXPEC...
+#include <filesystem>                    // for path
+#include <gtest/gtest_pred_impl.h> // NOLINT TODO how to fix this? for Test, TestInfo, TEST, EXPEC...
 #include <gtest/gtest-message.h>   // for Message
 #include <gtest/gtest-test-part.h> // for SuiteApiResolver, TestPartR...
 #include <memory>                  // for allocator, unique_ptr, __sh...
diff --git a/test/test_transaction.cpp b/test/test_transaction.cpp
index 6f3e10591ed850a94c712057ed603eb817737235..171e22f178c4f034c7765c8b41ab85477144737e 100644
--- a/test/test_transaction.cpp
+++ b/test/test_transaction.cpp
@@ -29,11 +29,9 @@
 #include "caosdb/transaction.h"                   // for Entity, Transaction
 #include "caosdb/transaction_status.h"            // for TransactionStatus
 #include "caosdb/value.h"                         // for Value
-#include <boost/filesystem/operations.hpp>        // for remove
-#include <boost/filesystem/path.hpp>              // for path
-#include <boost/filesystem/path_traits.hpp>       // for filesystem
 #include <cstddef>                                // for size_t
 #include <cstdint>                                // for int64_t, int32_t
+#include <filesystem>                             // for path
 #include <gtest/gtest-message.h>                  // for Message
 #include <gtest/gtest-test-part.h>                // for TestPartResult
 #include <gtest/gtest_pred_impl.h>                // for AssertionResult
@@ -45,7 +43,7 @@
 #include <string>                                 // for string, operator+
 #include <vector>                                 // for vector, operator!=
 
-namespace fs = boost::filesystem;
+namespace fs = std::filesystem;
 namespace caosdb::transaction {
 using caosdb::entity::AtomicDataType;
 using caosdb::entity::Entity;