diff --git a/Event/NavFourMom/CMakeLists.txt b/Event/NavFourMom/CMakeLists.txt
index 788a9bc3cf7a48431e6d5a6e6ffff55f70d270e1..932d1e88fc4c0e5dae6b2b4423614d8173ccb3df 100644
--- a/Event/NavFourMom/CMakeLists.txt
+++ b/Event/NavFourMom/CMakeLists.txt
@@ -1,40 +1,23 @@
-################################################################################
-# Package: NavFourMom
-################################################################################
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 # Declare the package name:
 atlas_subdir( NavFourMom )
 
-# Declare the package's dependencies:
-atlas_depends_on_subdirs( PUBLIC
-                          Control/AthenaKernel
-                          Control/AthLinks
-                          Control/AthContainers
-                          Control/Navigation
-                          Event/EventKernel
-			  Control/CxxUtils
-                          PRIVATE
-                          Event/FourMom )
-
 # External dependencies:
 find_package( CLHEP )
-find_package( ROOT COMPONENTS Core Tree MathCore Hist RIO pthread )
 
 # Component(s) in the package:
 atlas_add_library( NavFourMom
                    src/*.cxx
                    PUBLIC_HEADERS NavFourMom
                    INCLUDE_DIRS ${CLHEP_INCLUDE_DIRS}
-                   PRIVATE_INCLUDE_DIRS ${ROOT_INCLUDE_DIRS}
                    DEFINITIONS ${CLHEP_DEFINITIONS}
-		   LINK_LIBRARIES ${CLHEP_LIBRARIES} AthLinks AthContainers Navigation EventKernel CxxUtils
-                   PRIVATE_LINK_LIBRARIES ${ROOT_LIBRARIES} FourMom )
+                   LINK_LIBRARIES ${CLHEP_LIBRARIES} AthContainers AthLinks AthenaKernel CxxUtils EventKernel FourMom Navigation )
 
 atlas_add_dictionary( NavFourMomDict
                       NavFourMom/NavFourMomDict.h
                       NavFourMom/selection.xml
-                      INCLUDE_DIRS ${ROOT_INCLUDE_DIRS} ${CLHEP_INCLUDE_DIRS}
-		      LINK_LIBRARIES ${ROOT_LIBRARIES} ${CLHEP_LIBRARIES} AthLinks AthContainers Navigation EventKernel CxxUtils FourMom NavFourMom
+		              LINK_LIBRARIES NavFourMom
                       NAVIGABLES  DataVector<INavigable4Momentum> DataVector<IParticle>
                       DATA_LINKS INav4MomAssocs
                       ELEMENT_LINKS  DataVector<I4Momentum> )