diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 2a1612d3106959c2e5534a60fef64816c070b764..c388869d9b0df41f78f478145c61f653bde21c51 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -25,7 +25,6 @@ set(test_cases
     test_connection
     test_transaction
     test_list_properties
-    test_file_transmission
     test_ccaosdb
     )
 
diff --git a/test/test_file_transmission.cpp b/test/test_file_transmission.cpp
deleted file mode 100644
index 0f6eeb8f4f7bc0cd0e811e8a814f1c67812feba5..0000000000000000000000000000000000000000
--- a/test/test_file_transmission.cpp
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * This file is a part of the CaosDB Project.
- *
- * Copyright (C) 2021 Timm Fitschen <t.fitschen@indiscale.com>
- * Copyright (C) 2021 IndiScale GmbH <info@indiscale.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- *
- */
-#include "caosdb/connection.h" // for Connection, ConnectionManager
-#include "caosdb/entity.h"
-#include "caosdb/entity/v1alpha1/main.pb.h"
-#include "caosdb/transaction.h"    // for Transaction, UniqueRe...
-#include "gtest/gtest-message.h"   // for Message
-#include "gtest/gtest-test-part.h" // for TestPartResult, SuiteApiResolver
-#include "gtest/gtest_pred_impl.h" // for Test, EXPECT_EQ, AssertionResult
-#include <memory>                  // for unique_ptr, allocator, __shar...
-#include <string>                  // for string
-namespace caosdb::transaction {
-using caosdb::entity::Entity;
-using caosdb::entity::v1alpha1::FileDownloadResponse;
-using caosdb::entity::v1alpha1::FileUploadResponse;
-using caosdb::entity::v1alpha1::RegisterFileDownloadResponse;
-using caosdb::entity::v1alpha1::RegisterFileUploadResponse;
-using caosdb::entity::v1alpha1::RegistrationStatus;
-using caosdb::entity::v1alpha1::TransmissionStatus;
-
-// TODO(tf) this file is currently not used (see CMakeLists.txt)
-// Is it still necessary or is it obsolete due to test_transaction.cpp?
-// RegisterFileDownloadResponse is currently not defined by proto or the h
-// file.
-
-class test_file_transmission : public ::testing::Test {
-protected:
-  void SetUp() override {}
-
-  void TearDown() override {
-    // TODO(tf): delete all created entities
-  }
-};
-
-TEST_F(test_file_transmission, register_file_upload) {
-  const auto &connection =
-    caosdb::connection::ConnectionManager::GetDefaultConnection();
-
-  auto transaction(connection->CreateTransaction());
-  RegisterFileUploadResponse response;
-  EXPECT_EQ(response.status(),
-            RegistrationStatus::REGISTRATION_STATUS_UNSPECIFIED);
-
-  transaction->RegisterUploadFile(&response);
-
-  EXPECT_EQ(response.status(),
-            RegistrationStatus::REGISTRATION_STATUS_ACCEPTED);
-  EXPECT_FALSE(response.registration_id().empty());
-}
-
-TEST_F(test_file_transmission, file_upload) {
-  const auto &connection =
-    caosdb::connection::ConnectionManager::GetDefaultConnection();
-
-  auto transaction(connection->CreateTransaction());
-  RegisterFileUploadResponse registration_response;
-
-  transaction->RegisterUploadFile(&registration_response);
-  ASSERT_EQ(registration_response.status(),
-            RegistrationStatus::REGISTRATION_STATUS_ACCEPTED);
-  auto registration_id = registration_response.registration_id();
-
-  FileUploadResponse upload_response;
-  transaction->UploadFile(&upload_response, registration_id);
-
-  EXPECT_EQ(upload_response.status(),
-            TransmissionStatus::TRANSMISSION_STATUS_GO_ON);
-}
-
-TEST_F(test_file_transmission, file_insertion) {
-  const auto &connection =
-    caosdb::connection::ConnectionManager::GetDefaultConnection();
-
-  auto transaction(connection->CreateTransaction());
-  RegisterFileUploadResponse registration_response;
-
-  transaction->RegisterUploadFile(&registration_response);
-  ASSERT_EQ(registration_response.status(),
-            RegistrationStatus::REGISTRATION_STATUS_ACCEPTED);
-  auto registration_id = registration_response.registration_id();
-
-  FileUploadResponse upload_response;
-  transaction->UploadFile(&upload_response, registration_id);
-
-  Entity file_entity;
-  file_entity.SetRole("File");
-  file_entity.SetFileTransmissionId(registration_id, "test.txt");
-  file_entity.SetFilePath("test.txt");
-
-  transaction->InsertEntity(&file_entity);
-  transaction->Execute();
-
-  auto cleanup_transaction(connection->CreateTransaction());
-  cleanup_transaction->DeleteById(transaction->GetResultSet().At(0).GetId());
-  cleanup_transaction->Execute();
-}
-
-TEST_F(test_file_transmission, file_download) {
-  const auto &connection =
-    caosdb::connection::ConnectionManager::GetDefaultConnection();
-
-  auto upload_transaction(connection->CreateTransaction());
-  RegisterFileUploadResponse upload_registration_response;
-
-  upload_transaction->RegisterUploadFile(&upload_registration_response);
-  ASSERT_EQ(upload_registration_response.status(),
-            RegistrationStatus::REGISTRATION_STATUS_ACCEPTED);
-  auto registration_id = upload_registration_response.registration_id();
-
-  FileUploadResponse upload_response;
-  upload_transaction->UploadFile(&upload_response, registration_id);
-
-  Entity file_entity;
-  file_entity.SetRole("File");
-  file_entity.SetFileTransmissionId(registration_id, "test.txt");
-  file_entity.SetFilePath("test.txt");
-
-  upload_transaction->InsertEntity(&file_entity);
-  upload_transaction->Execute();
-
-  // Download by entity_id
-  auto download_transaction(connection->CreateTransaction());
-  RegisterFileDownloadResponse download_registration_response;
-  RegisterFileDownloadRequest download_registration_request;
-  download_registration_request.add_files()->set_entity_id(
-    upload_transaction->GetResultSet().At(0).GetId());
-  download_transaction->RegisterDownloadFile(download_registration_request,
-                                             &download_registration_response);
-  ASSERT_EQ(download_registration_response.status(),
-            RegistrationStatus::REGISTRATION_STATUS_ACCEPTED);
-
-  FileDownloadResponse download_response;
-  download_transaction->DownloadFile(&download_response,
-                                     download_registration_response);
-
-  EXPECT_EQ(download_response.chunk().data(), "this is some data");
-
-  // CLEANUP
-  auto cleanup_transaction(connection->CreateTransaction());
-  cleanup_transaction->DeleteById(
-    upload_transaction->GetResultSet().At(0).GetId());
-  cleanup_transaction->Execute();
-}
-
-} // namespace caosdb::transaction