diff --git a/tests/test_Utils.cpp b/tests/test_Utils.cpp
index b454716..63fcde8 100644
--- a/tests/test_Utils.cpp
+++ b/tests/test_Utils.cpp
@@ -39,6 +39,11 @@
         fs::remove_all(testDir);
     }
 
+    TestUtils(const TestUtils&) = delete;
+    TestUtils(TestUtils&&) = delete;
+    TestUtils& operator=(const TestUtils&) = delete;
+    TestUtils& operator=(TestUtils&&) = delete;
+
     void createPECIDir()
     {
         peciDir = fs::path(testDir) / "peci";