diff --git a/ForwardDetectors/ForwardSimulation/ForwardRegionGeoModel/CMakeLists.txt b/ForwardDetectors/ForwardSimulation/ForwardRegionGeoModel/CMakeLists.txt
index aaa184ba8fb8564ee152942fe0172f76fc78e7ef..3bca878bddb221954e6dbe1d7c2e65b6cd5129f4 100644
--- a/ForwardDetectors/ForwardSimulation/ForwardRegionGeoModel/CMakeLists.txt
+++ b/ForwardDetectors/ForwardSimulation/ForwardRegionGeoModel/CMakeLists.txt
@@ -1,23 +1,10 @@
-################################################################################
-# Package: ForwardRegionGeoModel
-################################################################################
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 # Declare the package name:
 atlas_subdir( ForwardRegionGeoModel )
 
-# Declare the package's dependencies:
-atlas_depends_on_subdirs( PUBLIC
-                          Control/AthenaKernel
-                          DetectorDescription/GeoModel/GeoModelUtilities
-                          GaudiKernel
-                          PRIVATE
-                          Control/StoreGate
-                          DetectorDescription/GeoModel/GeoModelInterfaces
-                          Tools/PathResolver )
-
 # External dependencies:
 find_package( CLHEP )
-find_package( Eigen )
 find_package( GeoModelCore )
 
 # Component(s) in the package:
@@ -26,13 +13,12 @@ atlas_add_library( ForwardRegionGeoModelLib
                    PUBLIC_HEADERS ForwardRegionGeoModel
                    INCLUDE_DIRS ${CLHEP_INCLUDE_DIRS}
                    DEFINITIONS ${CLHEP_DEFINITIONS}
-                   LINK_LIBRARIES ${CLHEP_LIBRARIES} ${EIGEN_LIBRARIES} ${GEOMODELCORE_LIBRARIES} AthenaKernel GeoModelUtilities GaudiKernel StoreGateLib SGtests
-                   PRIVATE_LINK_LIBRARIES PathResolver )
+                   LINK_LIBRARIES ${CLHEP_LIBRARIES} ${GEOMODELCORE_LIBRARIES} AthenaKernel GaudiKernel GeoModelUtilities
+                   PRIVATE_LINK_LIBRARIES GeoModelInterfaces PathResolver StoreGateLib )
 
 atlas_add_component( ForwardRegionGeoModel
                      src/components/*.cxx
-                     INCLUDE_DIRS ${CLHEP_INCLUDE_DIRS}
-                     LINK_LIBRARIES ${CLHEP_LIBRARIES} ${EIGEN_LIBRARIES} ${GEOMODELCORE_LIBRARIES} GeoModelUtilities GaudiKernel StoreGateLib SGtests PathResolver ForwardRegionGeoModelLib )
+                     LINK_LIBRARIES ForwardRegionGeoModelLib )
 
 # Install files from the package:
 atlas_install_runtime( share/*.csv )
diff --git a/ForwardDetectors/ForwardSimulation/ForwardRegionMgField/CMakeLists.txt b/ForwardDetectors/ForwardSimulation/ForwardRegionMgField/CMakeLists.txt
index c8521a440393a8e4054e01b65be4724a72439f5f..7e61904db40376f508f788343bcfeb7c2c376183 100644
--- a/ForwardDetectors/ForwardSimulation/ForwardRegionMgField/CMakeLists.txt
+++ b/ForwardDetectors/ForwardSimulation/ForwardRegionMgField/CMakeLists.txt
@@ -1,30 +1,19 @@
-################################################################################
-# Package: ForwardRegionMgField
-################################################################################
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 # Declare the package name:
 atlas_subdir( ForwardRegionMgField )
 
-# Declare the package's dependencies:
-atlas_depends_on_subdirs( PRIVATE
-                          GaudiKernel
-                          Control/AthenaBaseComps
-                          MagneticField/MagFieldInterfaces
-                          ForwardDetectors/ForwardSimulation/ForwardRegionGeoModel
-                          Tools/PathResolver )
-
 # External dependencies:
 find_package( CLHEP )
 find_package( Geant4 )
-find_package( XercesC )
 
 # Component(s) in the package:
 atlas_add_component( ForwardRegionMgField
                      src/*.cxx
                      src/components/*.cxx
-                     INCLUDE_DIRS ${GEANT4_INCLUDE_DIRS} ${XERCESC_INCLUDE_DIRS} ${CLHEP_INCLUDE_DIRS}
-                     LINK_LIBRARIES ${GEANT4_LIBRARIES} ${XERCESC_LIBRARIES} ${CLHEP_LIBRARIES} GaudiKernel AthenaBaseComps MagFieldInterfaces PathResolver ForwardRegionGeoModelLib )
+                     INCLUDE_DIRS ${GEANT4_INCLUDE_DIRS} ${CLHEP_INCLUDE_DIRS}
+                     LINK_LIBRARIES ${GEANT4_LIBRARIES} ${CLHEP_LIBRARIES} GaudiKernel AthenaBaseComps MagFieldInterfaces PathResolver ForwardRegionGeoModelLib )
 
 # Install files from the package:
 atlas_install_runtime( share/*.dat )
-atlas_install_python_modules( python/*.py )
+atlas_install_python_modules( python/*.py POST_BUILD_CMD ${ATLAS_FLAKE8} )
diff --git a/ForwardDetectors/ForwardSimulation/ForwardRegion_EventCnv/ForwardRegion_EventAthenaPool/CMakeLists.txt b/ForwardDetectors/ForwardSimulation/ForwardRegion_EventCnv/ForwardRegion_EventAthenaPool/CMakeLists.txt
index 55e8c78035c967e3146c8263de65ec8dfac0359e..bfff8e4aeaed1341bcebd29ab2eacff4da7b34f4 100644
--- a/ForwardDetectors/ForwardSimulation/ForwardRegion_EventCnv/ForwardRegion_EventAthenaPool/CMakeLists.txt
+++ b/ForwardDetectors/ForwardSimulation/ForwardRegion_EventCnv/ForwardRegion_EventAthenaPool/CMakeLists.txt
@@ -1,20 +1,8 @@
-################################################################################
-# Package: ForwardRegion_EventAthenaPool
-################################################################################
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 # Declare the package name:
 atlas_subdir( ForwardRegion_EventAthenaPool )
 
-# Declare the package's dependencies:
-atlas_depends_on_subdirs( PUBLIC
-                          Database/AthenaPOOL/AthenaPoolUtilities
-                          PRIVATE
-                          Database/AthenaPOOL/AthenaPoolCnvSvc
-                          Database/AtlasSealCLHEP
-                          ForwardDetectors/ForwardSimulation/ForwardRegion_EventCnv/ForwardRegion_EventTPCnv
-                          ForwardDetectors/ForwardSimulation/ForwardRegion_SimEv
-                          GaudiKernel )
-
 # Component(s) in the package:
 atlas_add_poolcnv_library( ForwardRegion_EventAthenaPoolPoolCnv
                            src/*.cxx
diff --git a/ForwardDetectors/ForwardSimulation/ForwardRegion_EventCnv/ForwardRegion_EventTPCnv/CMakeLists.txt b/ForwardDetectors/ForwardSimulation/ForwardRegion_EventCnv/ForwardRegion_EventTPCnv/CMakeLists.txt
index b77a25ed535863fdad25429086935ce4377f116a..d09590a38dd2f6f4f1fbd4e5a663a93674f5b6f1 100644
--- a/ForwardDetectors/ForwardSimulation/ForwardRegion_EventCnv/ForwardRegion_EventTPCnv/CMakeLists.txt
+++ b/ForwardDetectors/ForwardSimulation/ForwardRegion_EventCnv/ForwardRegion_EventTPCnv/CMakeLists.txt
@@ -1,42 +1,22 @@
-################################################################################
-# Package: ForwardRegion_EventTPCnv
-################################################################################
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 # Declare the package name:
 atlas_subdir( ForwardRegion_EventTPCnv )
 
-# Declare the package's dependencies:
-atlas_depends_on_subdirs( PUBLIC
-                          Database/AthenaPOOL/AthenaPoolCnvSvc
-                          ForwardDetectors/ForwardSimulation/ForwardRegion_SimEv
-                          PRIVATE
-                          AtlasTest/TestTools
-                          DetectorDescription/Identifier
-                          GaudiKernel )
-
-# External dependencies:
-find_package( ROOT COMPONENTS Core Tree MathCore Hist RIO pthread )
-
 # Component(s) in the package:
 atlas_add_library( ForwardRegion_EventTPCnv
                    src/*.cxx
                    PUBLIC_HEADERS ForwardRegion_EventTPCnv
-                   INCLUDE_DIRS ${ROOT_INCLUDE_DIRS}
-                   LINK_LIBRARIES ${ROOT_LIBRARIES} ForwardRegion_SimEv AthenaPoolCnvSvcLib
-                   PRIVATE_LINK_LIBRARIES Identifier GaudiKernel )
+                   LINK_LIBRARIES ForwardRegion_SimEv AthenaPoolCnvSvcLib
+                   PRIVATE_LINK_LIBRARIES Identifier )
 
 atlas_add_dictionary( ForwardRegion_EventTPCnvDict
                       ForwardRegion_EventTPCnv/SimulationHitTPCnvDict.h
                       ForwardRegion_EventTPCnv/selection.xml
-                      INCLUDE_DIRS ${ROOT_INCLUDE_DIRS}
-                      LINK_LIBRARIES ${ROOT_LIBRARIES} AthenaPoolCnvSvcLib ForwardRegion_SimEv Identifier GaudiKernel ForwardRegion_EventTPCnv )
-
-
+                      LINK_LIBRARIES ForwardRegion_EventTPCnv )
 
 atlas_add_test( SimulationHitCnv_p1_test
                 SOURCES
                 test/SimulationHitCnv_p1_test.cxx
                 INCLUDE_DIRS ${ROOT_INCLUDE_DIRS}
-                LINK_LIBRARIES ForwardRegion_EventTPCnv TestTools )
-
-                    
+                LINK_LIBRARIES ForwardRegion_EventTPCnv GaudiKernel TestTools )
diff --git a/ForwardDetectors/ForwardSimulation/ForwardRegion_SimEv/CMakeLists.txt b/ForwardDetectors/ForwardSimulation/ForwardRegion_SimEv/CMakeLists.txt
index f4db80bf275ccb54d4e33c07e0721898c733155f..25a5bcd0b3392833043f544aa25ac38c276b5bed 100644
--- a/ForwardDetectors/ForwardSimulation/ForwardRegion_SimEv/CMakeLists.txt
+++ b/ForwardDetectors/ForwardSimulation/ForwardRegion_SimEv/CMakeLists.txt
@@ -1,34 +1,20 @@
-################################################################################
-# Package: ForwardRegion_SimEv
-################################################################################
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 # Declare the package name:
 atlas_subdir( ForwardRegion_SimEv )
 
-# Declare the package's dependencies:
-atlas_depends_on_subdirs( PUBLIC
-                          Control/AthenaKernel
-                          Simulation/HitManagement
-                          PRIVATE
-                          GaudiKernel )
-
 # External dependencies:
 find_package( CLHEP )
-find_package( ROOT COMPONENTS Core Tree MathCore Hist RIO pthread )
 
 # Component(s) in the package:
 atlas_add_library( ForwardRegion_SimEv
                    src/*.cxx
                    PUBLIC_HEADERS ForwardRegion_SimEv
                    INCLUDE_DIRS ${CLHEP_INCLUDE_DIRS}
-                   PRIVATE_INCLUDE_DIRS ${ROOT_INCLUDE_DIRS}
                    DEFINITIONS ${CLHEP_DEFINITIONS}
-                   LINK_LIBRARIES ${CLHEP_LIBRARIES} AthenaKernel HitManagement
-                   PRIVATE_LINK_LIBRARIES ${ROOT_LIBRARIES} GaudiKernel )
+                   LINK_LIBRARIES ${CLHEP_LIBRARIES} AthenaKernel HitManagement )
 
 atlas_add_dictionary( ForwardRegion_SimEvDict
                       ForwardRegion_SimEv/SimulationHitDict.h
                       ForwardRegion_SimEv/selection.xml
-                      INCLUDE_DIRS ${ROOT_INCLUDE_DIRS} ${CLHEP_INCLUDE_DIRS}
-                      LINK_LIBRARIES ${ROOT_LIBRARIES} ${CLHEP_LIBRARIES} HitManagement GaudiKernel ForwardRegion_SimEv )
-
+                      LINK_LIBRARIES ForwardRegion_SimEv )