diff --git a/Calorimeter/CaloRec/python/CaloConfigFlags.py b/Calorimeter/CaloRec/python/CaloConfigFlags.py
index 75ae806ab7007b783056b076441fe5913ed0f022..d21452e1f79257cf27b9056e5276ad9a405f169c 100644
--- a/Calorimeter/CaloRec/python/CaloConfigFlags.py
+++ b/Calorimeter/CaloRec/python/CaloConfigFlags.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 from AthenaConfiguration.AthConfigFlags import AthConfigFlags
 
@@ -21,4 +21,57 @@ def createCaloConfigFlags():
     ccf.addFlag("Calo.TopoCluster.doTreatEnergyCutAsAbsolute",False)     
     ccf.addFlag("Calo.TopoCluster.doTopoClusterLocalCalib",True)
 
+    #### Cluster correction flags:
+    # If true, then reweight cells to prevent double-counting between clusters.
+    ccf.addFlag ('Calo.ClusterCorrection.doSlidingWindowCellWeights', False)
+
+    # If true, then among groups of clusters very close to each other,
+    # remove all clusters but one.
+    ccf.addFlag ('Calo.ClusterCorrection.doSlidingWindowRemoveDuplicates', False)
+
+    # If true, remove clusters with energy below a threshold.
+    ccf.addFlag ('Calo.ClusterCorrection.doSlidingWindowRemoveBad', True)
+
+    # Defines from where we should try to construct the tools.
+    # May be one of 'jo', 'pool', 'cool'.
+    # May also be a list of them, to try in order.
+    # It may also be set to a string defined in poolfiles to try to
+    # read all tools from that file (except those marked as nopool).
+    ccf.addFlag ('Calo.ClusterCorrection.defaultSource',
+                 ['cool', 'pool', 'jo'])
+
+    # Override the default correction version for sliding window clusters.
+    ccf.addFlag ('Calo.ClusterCorrection.caloSwWhichCorrection', '')
+
+    # Override the default correction version for EM topo clusters.
+    ccf.addFlag ('Calo.ClusterCorrection.caloTopoEMWhichCorrection', '')
+
+    # This flag allows setting additional correction arguments for
+    # sliding window clusters.  It should normally be empty, but it may be
+    # set for testing new correction versions.
+    ccf.addFlag ('Calo.ClusterCorrection.caloSwCorrectionArgs', {})
+
+    # This flag allows setting additional correction arguments for
+    # EM topo clusters.  It should normally be empty, but it may be
+    # set for testing new correction versions.
+    ccf.addFlag ('Calo.ClusterCorrection.caloTopoEMCorrectionArgs', {})
+
+    # Correction generation string that's embedded in database tags.
+    # This string gets changed every time the database is updated.
+    ccf.addFlag ('Calo.ClusterCorrection.caloSwGeneration', '')
+
+    # Correction generation string that's embedded in database tags.
+    # This string gets changed every time the database is updated.
+    ccf.addFlag ('Calo.ClusterCorrection.caloTopoEMGeneration', '')
+
+    # This flag allows overriding the subdetector name used for
+    # database connections.  It's a dictionary, the keys of which are the
+    # correction classes (normally either `CaloSwClusterCorrections'
+    # or `EMTopoClusterCorrections').  If the correction class isn't
+    # found, we use a key of None instead as a default.
+    #
+    # The subdetector name is normally `CALO'.  However, it can be set to the
+    # name of a local sqlite file to force reading COOL information from there.
+    ccf.addFlag ('Calo.ClusterCorrection.dbSubdetName', {None : 'CALO'})
+
     return ccf