diff --git a/Database/CoolLumiUtilities/test/BunchLumisCondAlg_test.cxx b/Database/CoolLumiUtilities/test/BunchLumisCondAlg_test.cxx
index b706737ee2afdf28cf57a80dd534efcad13b86d6..822c5513c155ebe4a1303b0c42e972ba197bee6a 100644
--- a/Database/CoolLumiUtilities/test/BunchLumisCondAlg_test.cxx
+++ b/Database/CoolLumiUtilities/test/BunchLumisCondAlg_test.cxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration.
+ * Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration.
  */
 /**
  * @file CoolLumiUtilities/test/BunchLumisCondAlg_test.cxx
@@ -10,6 +10,11 @@
 
 
 #undef NDEBUG
+
+// Disable checking due to use of AttributeList.
+#include "CxxUtils/checker_macros.h"
+ATLAS_NO_CHECK_FILE_THREAD_SAFETY;
+
 #include "../src/BunchLumisCondAlg.h"
 #include "CoolLumiUtilities/BunchLumisCondData.h"
 #include "CoolLumiUtilities/FillParamsCondData.h"
diff --git a/Database/CoolLumiUtilities/test/OnlineLumiCalibrationCondAlg_test.cxx b/Database/CoolLumiUtilities/test/OnlineLumiCalibrationCondAlg_test.cxx
index af1725912444ef04d6a2272f608be9a79236292d..32afecad57efbb8fe61d083141bf1ac73919c98a 100644
--- a/Database/CoolLumiUtilities/test/OnlineLumiCalibrationCondAlg_test.cxx
+++ b/Database/CoolLumiUtilities/test/OnlineLumiCalibrationCondAlg_test.cxx
@@ -1,8 +1,6 @@
 /*
-  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
+  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 */
-/*
- */
 /**
  * @file CoolLumiUtilities/test/OnlineLumiCalibrationCondAlg_test.cxx
  * @author scott snyder <snyder@bnl.gov>
@@ -12,6 +10,11 @@
 
 
 #undef NDEBUG
+
+// Disable checking due to use of AttributeList.
+#include "CxxUtils/checker_macros.h"
+ATLAS_NO_CHECK_FILE_THREAD_SAFETY;
+
 #include "../src/OnlineLumiCalibrationCondAlg.h"
 #include "CoolLumiUtilities/OnlineLumiCalibrationCondData.h"
 #include "AthenaKernel/DummyRCUSvc.h"
diff --git a/Database/CoolLumiUtilities/test/OnlineLumiCalibrationCondData_test.cxx b/Database/CoolLumiUtilities/test/OnlineLumiCalibrationCondData_test.cxx
index 623509996f0ae786e8d5726746642aa9fc904c1c..216a87561404dfc3c6f650d05ee376c7ebff3500 100644
--- a/Database/CoolLumiUtilities/test/OnlineLumiCalibrationCondData_test.cxx
+++ b/Database/CoolLumiUtilities/test/OnlineLumiCalibrationCondData_test.cxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration.
+ * Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration.
  */
 /**
  * @file CoolLumiUtilities/test/OnlineLumiCalibrationCondData_test.cxx
@@ -10,6 +10,11 @@
 
 
 #undef NDEBUG
+
+// Disable checking due to use of AttributeList.
+#include "CxxUtils/checker_macros.h"
+ATLAS_NO_CHECK_FILE_THREAD_SAFETY;
+
 #include "CoolLumiUtilities/OnlineLumiCalibrationCondData.h"
 #include "CoralBase/AttributeList.h"
 #include "CoralBase/Attribute.h"