diff --git a/Trigger/TrigT1/TrigT1CaloCalibTools/CMakeLists.txt b/Trigger/TrigT1/TrigT1CaloCalibTools/CMakeLists.txt
index 0b2d290070c258b0648d7096d05e92597f98324b..af70ebe62dc39792455c44d970d40ca27f34ba69 100644
--- a/Trigger/TrigT1/TrigT1CaloCalibTools/CMakeLists.txt
+++ b/Trigger/TrigT1/TrigT1CaloCalibTools/CMakeLists.txt
@@ -47,7 +47,6 @@ find_package( ROOT COMPONENTS Graf Gpad Core Tree MathCore Hist RIO pthread Graf
 # Component(s) in the package:
 atlas_add_library( TrigT1CaloCalibToolsLib
                    src/*.cxx
-                   src/components/*.cxx
                    PUBLIC_HEADERS TrigT1CaloCalibTools
                    INCLUDE_DIRS ${ROOT_INCLUDE_DIRS} ${CORAL_INCLUDE_DIRS}
                    LINK_LIBRARIES ${ROOT_LIBRARIES} ${CORAL_LIBRARIES} AsgTools AthenaBaseComps AthenaKernel AthenaPoolUtilities Identifier xAODTrigL1Calo GaudiKernel LArIdentifier LArRecConditions TileEvent TrigT1CaloCalibConditions TrigT1CaloCalibToolInterfaces TrigT1CaloToolInterfaces CaloDetDescrLib StoreGateLib SGtests LArRecUtilsLib TileConditionsLib TrigT1CaloMonitoringToolsLib TrigT1CaloUtilsLib CaloTriggerToolLib AthenaMonitoringLib LArCablingLib TrigT1CaloEventLib  TrigT1CaloCondSvcLib