diff --git a/Simulation/Tests/DigitizationTests/scripts/DigitizationCheckReferenceLocation.sh b/Simulation/Tests/DigitizationTests/scripts/DigitizationCheckReferenceLocation.sh
index 0789ab7c8437d186fb2d386e62c9ab0f50af1f3f..a306f489d177b7139e6b1fa52f224b820ad4574c 100755
--- a/Simulation/Tests/DigitizationTests/scripts/DigitizationCheckReferenceLocation.sh
+++ b/Simulation/Tests/DigitizationTests/scripts/DigitizationCheckReferenceLocation.sh
@@ -1,9 +1,11 @@
 #!/bin/sh 
 
 export DigitizationTestsVersion="dev"
-if [[ $ATLAS_RELEASE_BASE == *"20.7"* ]]; then 
+if [[ $ATLAS_RELEASE_BASE == *"20.7.X.Y-VAL"* ]]; then
+    DigitizationTestsVersion="20.7.X.Y-VAL"
+elif [[ $ATLAS_RELEASE_BASE == *"20.7"* ]]; then
     DigitizationTestsVersion="20.7.X"
-elif [[ $ATLAS_RELEASE_BASE == *"20.20"* ]]; then 
+elif [[ $ATLAS_RELEASE_BASE == *"20.20"* ]]; then
     DigitizationTestsVersion="20.20.X"
 elif [[ $ATLAS_RELEASE_BASE == *"mig7"* ]]; then
     DigitizationTestsVersion="20.3"
diff --git a/Simulation/Tests/DigitizationTests/test/DigitizationTests_TestConfiguration.xml b/Simulation/Tests/DigitizationTests/test/DigitizationTests_TestConfiguration.xml
index 087be237f3d85ac02d9e82810107cfd8bc649339..dc93c324acc7b76d317f3cc15d076f0152cc8a61 100755
--- a/Simulation/Tests/DigitizationTests/test/DigitizationTests_TestConfiguration.xml
+++ b/Simulation/Tests/DigitizationTests/test/DigitizationTests_TestConfiguration.xml
@@ -482,114 +482,7 @@
                 </sequential>
             </chain>
             
-            
-            
-
-
-            <chain>
-                <chainName>RegressionTest_mc15_ttbar_LVL1_on</chainName>
-                <abortOnError />
-                <sequential>
-                    
-                    <chainElement>
-                        <jobTransform userJobId="mc15_ttbar_LVL1_on">
-                            <jobTransformJobName>DigitizationRTT_JobTransforms</jobTransformJobName>
-                            <jobTransformCmd>DigitizationTestsCompFile='mc15_ttbar_LVL1_on.RDO.pool.root';source DigitizationCheckReferenceLocation.sh;echo ${DigitizationTestsCompFile}; echo ${DigitizationTestsVersion};  xrdcp root://eosatlas//eos/atlas/atlascerngroupdisk/proj-sit/digitization/RTT/ReferenceFiles/$DigitizationTestsVersion/$CMTCONFIG/$DigitizationTestsCompFile DiffPool_Comp.pool.root;  Digi_tf.py  --inputHITSFile root://eosatlas//eos/atlas/atlascerngroupdisk/proj-sit/digitization/RTT/mc15a/valid1.110401.PowhegPythia_P2012_ttbar_nonallhad.simul.HITS.e3099_s2578_tid04919495_00/HITS.04919495._001041.pool.root.1 --outputRDOFile mc15_2015_ttbar.RDO.pool.root --maxEvents 25 --skipEvents 0  --digiSeedOffset1 11 --digiSeedOffset2 22  --geometryVersion ATLAS-R2-2015-03-01-00 --conditionsTag default:OFLCOND-RUN12-SDR-25 --DataRunNumber=222500 --triggerConfig HITtoRDO=default --postInclude=default:PyJobTransforms/UseFrontier.py
-                            </jobTransformCmd>
-                            <group>DigitizationTests_JobTransforms</group>
-                            <queue>medium</queue>
-                            <test>
-                                <modulename>FlexibleDiffPoolFilesRunner</modulename>
-                                <testname>FlexibleDiffPoolFilesRunner</testname>
-                                <arg>
-                                    <argname>platformDependent</argname>
-                                    <argvalue>True</argvalue>
-                                </arg>
-                                <arg>
-                                    <argname>doDetailedChecks</argname>
-                                    <argvalue>True</argvalue>
-                                </arg>
-                                <arg>
-                                    <argname>fileName</argname>
-                                    <argvalue>mc15_2015_ttbar.RDO.pool.root</argvalue>
-                                </arg>
-                                <arg>
-                                    <argname>refFileName</argname>
-                                    <argvalue>DiffPool_Comp.pool.root     <!--root://eosatlas//eos/atlas/atlascerngroupdisk/proj-sit/digitization/RTT/ReferenceFiles/dev/CMTCONFIG/mc15_ttbar_LVL1_on.RDO.pool.root--></argvalue>
-                                </arg>
-                                <keepFilePattern>mc15_2015_ttbar.RDO.pool.root_DiffPool_Comp.pool.root.diffPool</keepFilePattern>
-                            </test>
-                        </jobTransform>
-                    </chainElement>
-                    
-                    <chainElement>
-                        <jobTransform userJobId="mc15_ttbar_LVL1_on_Reg">
-                            <doc>Regression test between releases</doc>
-                            <jobTransformJobName>mc15_ttbar_LVL1_on_Reg</jobTransformJobName>
-                            <jobTransformCmd>sim_reg_test.py mc15_ttbar_LVL1_on mc15_2015_ttbar.RDO.pool.root RDO.pool</jobTransformCmd>
-                            <group>DigitizationTests:DigitizationRegressionTests</group>
-                            <queue>short</queue>
-                        </jobTransform>
-                    </chainElement>
-                    
-                </sequential>
-            </chain>
-            
-            
-            
-            
-            
-            <chain>
-                <chainName>RegressionTest_mc15_ttbar_LVL1_on_25ns_pileup</chainName>
-                <abortOnError />
-                <sequential>
-                    
-                    <chainElement>
-                        <jobTransform userJobId="mc15_ttbar_LVL1_on_25ns_pileup">
-                            <jobTransformJobName>DigitizationRTT_JobTransforms</jobTransformJobName>
-                            <jobTransformCmd>
-                                DigitizationTestsCompFile='mc15_ttbar_LVL1_on_50ns_pileup.RDO.pool.root';source DigitizationCheckReferenceLocation.sh;echo ${DigitizationTestsCompFile}; echo ${DigitizationTestsVersion};  xrdcp root://eosatlas//eos/atlas/atlascerngroupdisk/proj-sit/digitization/RTT/ReferenceFiles/$DigitizationTestsVersion/$CMTCONFIG/$DigitizationTestsCompFile DiffPool_Comp.pool.root; xrdcp root://eosatlas//eos/atlas/atlascerngroupdisk/proj-sit/digitization/RTT/mc15a/valid1.110401.PowhegPythia_P2012_ttbar_nonallhad.simul.HITS.e3099_s2578_tid04919495_00/HITS.04919495._001041.pool.root.1 HITS.04919495._001041.pool.root.1; LowPtMinbiasHitsFile="/eos/atlas/atlascerngroupdisk/proj-sit/digitization/RTT/mc15a/mc15_valid.361034.Pythia8EvtGen_A2MSTW2008LO_minbias_inelastic_low.merge.HITS.e3581_s2578_s2169_tid05098374_00/"; for file in `eos ls $LowPtMinbiasHitsFile`; do  xrdcp root://eosatlas/$LowPtMinbiasHitsFile/$file $file ; done; HighPtMinbiasHitsFile="/eos/atlas/atlascerngroupdisk/proj-sit/digitization/RTT/mc15a/mc15_valid.361035.Pythia8EvtGen_A2MSTW2008LO_minbias_inelastic_high.merge.HITS.e3581_s2578_s2169_tid05098387_00/";  for file in `eos ls $HighPtMinbiasHitsFile | grep 00067`; do  xrdcp root://eosatlas/$HighPtMinbiasHitsFile/$file $file ;done; Digi_tf.py --inputHITSFile HITS.04919495.*.pool.root.? --conditionsTag default:OFLCOND-RUN12-SDR-25 --digiSeedOffset1 170 --digiSeedOffset2 170 --geometryVersion ATLAS-R2-2015-03-01-00 --inputHighPtMinbiasHitsFile HITS.05098387.*.pool.root.?  --inputLowPtMinbiasHitsFile HITS.05098374.*.pool.root.?  --jobNumber 1 --maxEvents 25 --numberOfCavernBkg 0 --numberOfHighPtMinBias 0.12268057 --numberOfLowPtMinBias 39.8773194 --outputRDOFile mc15_2015_ttbar.RDO.pool.root --postExec 'all:CfgMgr.MessageSvc().setError+=["HepMcParticleLink"]' 'HITtoRDO:from AthenaCommon.CfgGetter import getPublicTool;getPublicTool("MergeMcEventCollTool").OnlySaveSignalTruth=True;ToolSvc.LArAutoCorrTotalToolDefault.deltaBunch=1' --postInclude 'default:PyJobTransforms/UseFrontier.py' --pileupFinalBunch 6 --preExec 'all:from AthenaCommon.BeamFlags import jobproperties;jobproperties.Beam.numberOfCollisions.set_Value_and_Lock(20.0);from LArROD.LArRODFlags import larRODFlags;larRODFlags.NumberOfCollisions.set_Value_and_Lock(20);larRODFlags.nSamples.set_Value_and_Lock(4);larRODFlags.doOFCPileupOptimization.set_Value_and_Lock(True);larRODFlags.firstSample.set_Value_and_Lock(0);larRODFlags.useHighestGainAutoCorr.set_Value_and_Lock(True)'  --preInclude 'HITtoRDO:Digitization/ForceUseOfPileUpTools.py,SimulationJobOptions/preInclude.PileUpBunchTrainsMC15_2015_25ns_Config1.py,RunDependentSimData/configLumi_run222525_v1.py' --triggerConfig HITtoRDO=default --skipEvents 0
-                            </jobTransformCmd>
-                            <group>DigitizationTests_JobTransforms</group>
-                            <queue>medium</queue>
-                            <test>
-                                <modulename>FlexibleDiffPoolFilesRunner</modulename>
-                                <testname>FlexibleDiffPoolFilesRunner</testname>
-                                <arg>
-                                    <argname>platformDependent</argname>
-                                    <argvalue>True</argvalue>
-                                </arg>
-                                <arg>
-                                    <argname>doDetailedChecks</argname>
-                                    <argvalue>True</argvalue>
-                                </arg>
-                                <arg>
-                                    <argname>fileName</argname>
-                                    <argvalue>mc15_2015_ttbar.RDO.pool.root</argvalue>
-                                </arg>
-                                <arg>
-                                    <argname>refFileName</argname>
-                                    <argvalue>DiffPool_Comp.pool.root     <!--root://eosatlas//eos/atlas/atlascerngroupdisk/proj-sit/digitization/RTT/ReferenceFiles/dev/CMTCONFIG/mc15_ttbar_LVL1_on_25ns_pileup.RDO.pool.root--></argvalue>
-                                </arg>
-                                <keepFilePattern>mc15_2015_ttbar.RDO.pool.root_DiffPool_Comp.pool.root.diffPool</keepFilePattern>
-                            </test>
-                        </jobTransform>
-                    </chainElement>
-                    
-                    <chainElement>
-                        <jobTransform userJobId="mc15_ttbar_LVL1_on_Reg_25ns_pileup">
-                            <doc>Regression test between releases</doc>
-                            <jobTransformJobName>mc15_ttbar_LVL1_on_Reg</jobTransformJobName>
-                            <jobTransformCmd>sim_reg_test.py mc15_ttbar_LVL1_on_25ns_pileup mc15_2015_ttbar.RDO.pool.root RDO.pool</jobTransformCmd>
-                            <group>DigitizationTests:DigitizationRegressionTests</group>
-                            <queue>short</queue>
-                        </jobTransform>
-                    </chainElement>
-                    
-                </sequential>
-            </chain>
-            
-            
+           
             <!-- DETAILED TEST JOBS -->
             
             <!-- ATHENA JOBS -->