diff --git a/CalibTracker/SiStripESProducers/plugins/fake/SiStripApvGainFakeESSource.cc b/CalibTracker/SiStripESProducers/plugins/fake/SiStripApvGainFakeESSource.cc
index 7f52c85a9d310..d55df2bd6ebbf 100644
--- a/CalibTracker/SiStripESProducers/plugins/fake/SiStripApvGainFakeESSource.cc
+++ b/CalibTracker/SiStripESProducers/plugins/fake/SiStripApvGainFakeESSource.cc
@@ -29,7 +29,7 @@ class SiStripApvGainFakeESSource : public edm::ESProducer, public edm::EventSetu
 
   void setIntervalFor( const edm::eventsetup::EventSetupRecordKey&, const edm::IOVSyncValue& iov, edm::ValidityInterval& iValidity ) override;
 
-  typedef std::shared_ptr<SiStripApvGain> ReturnType;
+  typedef std::unique_ptr<SiStripApvGain> ReturnType;
   ReturnType produce(const SiStripApvGainRcd&);
 
 private:
@@ -71,7 +71,7 @@ SiStripApvGainFakeESSource::produce(const SiStripApvGainRcd& iRecord)
 {
   using namespace edm::es;
 
-  std::shared_ptr<SiStripApvGain> apvGain{new SiStripApvGain};
+  auto apvGain = std::make_unique<SiStripApvGain>();
 
   SiStripDetInfoFileReader reader{m_file.fullPath()};
 
diff --git a/CalibTracker/SiStripESProducers/plugins/fake/SiStripBackPlaneCorrectionFakeESSource.cc b/CalibTracker/SiStripESProducers/plugins/fake/SiStripBackPlaneCorrectionFakeESSource.cc
index 0848d85a931e6..a026cb029a13b 100644
--- a/CalibTracker/SiStripESProducers/plugins/fake/SiStripBackPlaneCorrectionFakeESSource.cc
+++ b/CalibTracker/SiStripESProducers/plugins/fake/SiStripBackPlaneCorrectionFakeESSource.cc
@@ -29,7 +29,7 @@ class SiStripBackPlaneCorrectioNFakeESSource : public edm::ESProducer, public ed
 
   void setIntervalFor( const edm::eventsetup::EventSetupRecordKey&, const edm::IOVSyncValue& iov, edm::ValidityInterval& iValidity ) override;
 
-  typedef std::shared_ptr<SiStripBackPlaneCorrection> ReturnType;
+  typedef std::unique_ptr<SiStripBackPlaneCorrection> ReturnType;
   ReturnType produce(const SiStripBackPlaneCorrectionRcd&);
 
 private:
@@ -67,7 +67,7 @@ SiStripBackPlaneCorrectioNFakeESSource::produce(const SiStripBackPlaneCorrection
   edm::ESHandle<TrackerTopology> tTopo;
   iRecord.getRecord<TrackerTopologyRcd>().get(tTopo);
 
-  std::shared_ptr<SiStripBackPlaneCorrection> backPlaneCorrection{new SiStripBackPlaneCorrection};
+  auto backPlaneCorrection = std::make_unique<SiStripBackPlaneCorrection>();
 
   SiStripDetInfoFileReader reader{m_file.fullPath()};
 
diff --git a/CalibTracker/SiStripESProducers/plugins/fake/SiStripBadModuleConfigurableFakeESSource.cc b/CalibTracker/SiStripESProducers/plugins/fake/SiStripBadModuleConfigurableFakeESSource.cc
index de16a7a3d8fad..20c320c7cb9dc 100644
--- a/CalibTracker/SiStripESProducers/plugins/fake/SiStripBadModuleConfigurableFakeESSource.cc
+++ b/CalibTracker/SiStripESProducers/plugins/fake/SiStripBadModuleConfigurableFakeESSource.cc
@@ -30,7 +30,7 @@ class SiStripBadModuleConfigurableFakeESSource : public edm::ESProducer, public
 
   void setIntervalFor( const edm::eventsetup::EventSetupRecordKey&, const edm::IOVSyncValue& iov, edm::ValidityInterval& iValidity ) override;
 
-  typedef std::shared_ptr<SiStripBadStrip> ReturnType;
+  typedef std::unique_ptr<SiStripBadStrip> ReturnType;
   ReturnType produce(const SiStripBadModuleRcd&);
 
 private:
@@ -73,7 +73,7 @@ SiStripBadModuleConfigurableFakeESSource::produce(const SiStripBadModuleRcd& iRe
   edm::ESHandle<TrackerTopology> tTopo;
   iRecord.getRecord<TrackerTopologyRcd>().get(tTopo);
 
-  std::shared_ptr<SiStripQuality> quality{new SiStripQuality};
+  auto quality = std::make_unique<SiStripQuality>();
 
   SiStripDetInfoFileReader reader{m_file.fullPath()};
 
diff --git a/CalibTracker/SiStripESProducers/plugins/fake/SiStripBaseDelayFakeESSource.cc b/CalibTracker/SiStripESProducers/plugins/fake/SiStripBaseDelayFakeESSource.cc
index a4febe809852d..28a32050b6539 100644
--- a/CalibTracker/SiStripESProducers/plugins/fake/SiStripBaseDelayFakeESSource.cc
+++ b/CalibTracker/SiStripESProducers/plugins/fake/SiStripBaseDelayFakeESSource.cc
@@ -29,7 +29,7 @@ class SiStripBaseDelayFakeESSource : public edm::ESProducer, public edm::EventSe
 
   void setIntervalFor( const edm::eventsetup::EventSetupRecordKey&, const edm::IOVSyncValue& iov, edm::ValidityInterval& iValidity ) override;
 
-  typedef std::shared_ptr<SiStripBaseDelay> ReturnType;
+  typedef std::unique_ptr<SiStripBaseDelay> ReturnType;
   ReturnType produce(const SiStripBaseDelayRcd&);
 
 private:
@@ -64,7 +64,7 @@ SiStripBaseDelayFakeESSource::produce(const SiStripBaseDelayRcd& iRecord)
 {
   using namespace edm::es;
 
-  std::shared_ptr<SiStripBaseDelay> baseDelay{new SiStripBaseDelay};
+  auto baseDelay = std::make_unique<SiStripBaseDelay>();
 
   SiStripDetInfoFileReader reader{m_file.fullPath()};
 
diff --git a/CalibTracker/SiStripESProducers/plugins/fake/SiStripConfObjectFakeESSource.cc b/CalibTracker/SiStripESProducers/plugins/fake/SiStripConfObjectFakeESSource.cc
index 37a795571e874..c276e6f6b3937 100644
--- a/CalibTracker/SiStripESProducers/plugins/fake/SiStripConfObjectFakeESSource.cc
+++ b/CalibTracker/SiStripESProducers/plugins/fake/SiStripConfObjectFakeESSource.cc
@@ -29,7 +29,7 @@ class SiStripConfObjectFakeESSource : public edm::ESProducer, public edm::EventS
 
   void setIntervalFor( const edm::eventsetup::EventSetupRecordKey&, const edm::IOVSyncValue& iov, edm::ValidityInterval& iValidity ) override;
 
-  typedef std::shared_ptr<SiStripConfObject> ReturnType;
+  typedef std::unique_ptr<SiStripConfObject> ReturnType;
   ReturnType produce(const SiStripConfObjectRcd&);
 
 private:
@@ -61,7 +61,7 @@ SiStripConfObjectFakeESSource::produce(const SiStripConfObjectRcd& iRecord)
 {
   using namespace edm::es;
 
-  std::shared_ptr<SiStripConfObject> confObject{new SiStripConfObject};
+  auto confObject = std::make_unique<SiStripConfObject>();
 
   for ( const auto& param : m_parameters ) {
     const std::string paramType{param.getParameter<std::string>("ParameterType")};
diff --git a/CalibTracker/SiStripESProducers/plugins/fake/SiStripLatencyFakeESSource.cc b/CalibTracker/SiStripESProducers/plugins/fake/SiStripLatencyFakeESSource.cc
index f1fe11c32f744..413185d001cea 100644
--- a/CalibTracker/SiStripESProducers/plugins/fake/SiStripLatencyFakeESSource.cc
+++ b/CalibTracker/SiStripESProducers/plugins/fake/SiStripLatencyFakeESSource.cc
@@ -29,7 +29,7 @@ class SiStripLatencyFakeESSource : public edm::ESProducer, public edm::EventSetu
 
   void setIntervalFor( const edm::eventsetup::EventSetupRecordKey&, const edm::IOVSyncValue& iov, edm::ValidityInterval& iValidity ) override;
 
-  typedef std::shared_ptr<SiStripLatency> ReturnType;
+  typedef std::unique_ptr<SiStripLatency> ReturnType;
   ReturnType produce(const SiStripLatencyRcd&);
 
 private:
@@ -64,7 +64,7 @@ SiStripLatencyFakeESSource::produce(const SiStripLatencyRcd& iRecord)
 {
   using namespace edm::es;
 
-  std::shared_ptr<SiStripLatency> latency{new SiStripLatency};
+  auto latency = std::make_unique<SiStripLatency>();
 
   SiStripDetInfoFileReader reader{m_file.fullPath()};
   const auto& detInfos = reader.getAllData();
diff --git a/CalibTracker/SiStripESProducers/plugins/fake/SiStripLorentzAngleFakeESSource.cc b/CalibTracker/SiStripESProducers/plugins/fake/SiStripLorentzAngleFakeESSource.cc
index 8cbd26c0793c9..855748e61c173 100644
--- a/CalibTracker/SiStripESProducers/plugins/fake/SiStripLorentzAngleFakeESSource.cc
+++ b/CalibTracker/SiStripESProducers/plugins/fake/SiStripLorentzAngleFakeESSource.cc
@@ -38,7 +38,7 @@ class SiStripLorentzAngleFakeESSource : public edm::ESProducer, public edm::Even
 
   void setIntervalFor( const edm::eventsetup::EventSetupRecordKey&, const edm::IOVSyncValue& iov, edm::ValidityInterval& iValidity ) override;
 
-  typedef std::shared_ptr<SiStripLorentzAngle> ReturnType;
+  typedef std::unique_ptr<SiStripLorentzAngle> ReturnType;
   ReturnType produce(const SiStripLorentzAngleRcd&);
 
 private:
@@ -169,7 +169,7 @@ SiStripLorentzAngleFakeESSource::produce(const SiStripLorentzAngleRcd& iRecord)
   edm::ESHandle<TrackerTopology> tTopo;
   iRecord.getRecord<TrackerTopologyRcd>().get(tTopo);
 
-  std::shared_ptr<SiStripLorentzAngle> lorentzAngle{new SiStripLorentzAngle};
+  auto lorentzAngle = std::make_unique<SiStripLorentzAngle>();
 
   SiStripDetInfoFileReader reader{m_file.fullPath()};
 
diff --git a/CalibTracker/SiStripESProducers/plugins/fake/SiStripNoisesFakeESSource.cc b/CalibTracker/SiStripESProducers/plugins/fake/SiStripNoisesFakeESSource.cc
index 19e0653346a14..0e24fd6dbae73 100644
--- a/CalibTracker/SiStripESProducers/plugins/fake/SiStripNoisesFakeESSource.cc
+++ b/CalibTracker/SiStripESProducers/plugins/fake/SiStripNoisesFakeESSource.cc
@@ -33,7 +33,7 @@ class SiStripNoisesFakeESSource : public edm::ESProducer, public edm::EventSetup
 
   void setIntervalFor( const edm::eventsetup::EventSetupRecordKey&, const edm::IOVSyncValue& iov, edm::ValidityInterval& iValidity ) override;
 
-  typedef std::shared_ptr<SiStripNoises> ReturnType;
+  typedef std::unique_ptr<SiStripNoises> ReturnType;
   ReturnType produce(const SiStripNoisesRcd&);
 
 private:
@@ -98,7 +98,7 @@ SiStripNoisesFakeESSource::produce(const SiStripNoisesRcd& iRecord)
   edm::ESHandle<TrackerTopology> tTopo;
   iRecord.getRecord<TrackerTopologyRcd>().get(tTopo);
 
-  std::shared_ptr<SiStripNoises> noises{new SiStripNoises};
+  auto noises = std::make_unique<SiStripNoises>();
 
   SiStripDetInfoFileReader reader{m_file.fullPath()};
 
diff --git a/CalibTracker/SiStripESProducers/plugins/fake/SiStripPedestalsFakeESSource.cc b/CalibTracker/SiStripESProducers/plugins/fake/SiStripPedestalsFakeESSource.cc
index db81cfeeb7458..6c4c5cea1df35 100644
--- a/CalibTracker/SiStripESProducers/plugins/fake/SiStripPedestalsFakeESSource.cc
+++ b/CalibTracker/SiStripESProducers/plugins/fake/SiStripPedestalsFakeESSource.cc
@@ -29,7 +29,7 @@ class SiStripPedestalsFakeESSource : public edm::ESProducer, public edm::EventSe
 
   void setIntervalFor( const edm::eventsetup::EventSetupRecordKey&, const edm::IOVSyncValue& iov, edm::ValidityInterval& iValidity ) override;
 
-  typedef std::shared_ptr<SiStripPedestals> ReturnType;
+  typedef std::unique_ptr<SiStripPedestals> ReturnType;
   ReturnType produce(const SiStripPedestalsRcd&);
 
 private:
@@ -64,7 +64,7 @@ SiStripPedestalsFakeESSource::produce(const SiStripPedestalsRcd& iRecord)
 {
   using namespace edm::es;
 
-  std::shared_ptr<SiStripPedestals> pedestals{new SiStripPedestals};
+  auto pedestals = std::make_unique<SiStripPedestals>();
 
   SiStripDetInfoFileReader reader{m_file.fullPath()};
 
diff --git a/CalibTracker/SiStripESProducers/plugins/fake/SiStripThresholdFakeESSource.cc b/CalibTracker/SiStripESProducers/plugins/fake/SiStripThresholdFakeESSource.cc
index 1e69cf1760f14..f13b070bf9345 100644
--- a/CalibTracker/SiStripESProducers/plugins/fake/SiStripThresholdFakeESSource.cc
+++ b/CalibTracker/SiStripESProducers/plugins/fake/SiStripThresholdFakeESSource.cc
@@ -29,7 +29,7 @@ class SiStripThresholdFakeESSource : public edm::ESProducer, public edm::EventSe
 
   void setIntervalFor( const edm::eventsetup::EventSetupRecordKey&, const edm::IOVSyncValue& iov, edm::ValidityInterval& iValidity ) override;
 
-  typedef std::shared_ptr<SiStripThreshold> ReturnType;
+  typedef std::unique_ptr<SiStripThreshold> ReturnType;
   ReturnType produce(const SiStripThresholdRcd&);
 
 private:
@@ -66,7 +66,7 @@ SiStripThresholdFakeESSource::produce(const SiStripThresholdRcd& iRecord)
 {
   using namespace edm::es;
 
-  std::shared_ptr<SiStripThreshold> threshold{new SiStripThreshold};
+  auto threshold = std::make_unique<SiStripThreshold>();
 
   SiStripDetInfoFileReader reader{m_file.fullPath()};
 
diff --git a/CalibTracker/SiStripESProducers/plugins/real/SiStripBackPlaneCorrectionDepESProducer.cc b/CalibTracker/SiStripESProducers/plugins/real/SiStripBackPlaneCorrectionDepESProducer.cc
index 03d183dc7860b..4821acfe862fa 100644
--- a/CalibTracker/SiStripESProducers/plugins/real/SiStripBackPlaneCorrectionDepESProducer.cc
+++ b/CalibTracker/SiStripESProducers/plugins/real/SiStripBackPlaneCorrectionDepESProducer.cc
@@ -32,9 +32,9 @@ SiStripBackPlaneCorrectionDepESProducer::SiStripBackPlaneCorrectionDepESProducer
 }
 
 
-std::shared_ptr<SiStripBackPlaneCorrection> SiStripBackPlaneCorrectionDepESProducer::produce(const SiStripBackPlaneCorrectionDepRcd& iRecord)
+std::unique_ptr<SiStripBackPlaneCorrection> SiStripBackPlaneCorrectionDepESProducer::produce(const SiStripBackPlaneCorrectionDepRcd& iRecord)
 {
-  std::shared_ptr<SiStripBackPlaneCorrection> siStripBPC;
+  std::unique_ptr<SiStripBackPlaneCorrection> siStripBPC;
   edm::LogInfo("SiStripBackPlaneCorrectionDepESProducer") << "Producer called" << std::endl;
   
   std::string latencyRecordName = getLatency.getParameter<std::string>("record");
@@ -61,7 +61,7 @@ std::shared_ptr<SiStripBackPlaneCorrection> SiStripBackPlaneCorrectionDepESProdu
   if ( backPlaneCorrectionRecordName == "SiStripBackPlaneCorrectionRcd"){
     edm::ESHandle<SiStripBackPlaneCorrection> siStripBackPlaneCorrection;
     iRecord.getRecord<SiStripBackPlaneCorrectionRcd>().get(backPlaneCorrectionLabel, siStripBackPlaneCorrection);
-    siStripBPC = std::make_shared<SiStripBackPlaneCorrection>(*(siStripBackPlaneCorrection.product()));
+    siStripBPC = std::make_unique<SiStripBackPlaneCorrection>(*(siStripBackPlaneCorrection.product()));
   } else edm::LogError("SiStripBackPlaneCorrectionDepESProducer") << "[SiStripBackPlaneCorrectionDepESProducer::produce] No Lorentz Angle Record found " << std::endl;
 	 
 
diff --git a/CalibTracker/SiStripESProducers/plugins/real/SiStripBackPlaneCorrectionDepESProducer.h b/CalibTracker/SiStripESProducers/plugins/real/SiStripBackPlaneCorrectionDepESProducer.h
index 04ccaf8d74d94..de1da1c9f23cc 100644
--- a/CalibTracker/SiStripESProducers/plugins/real/SiStripBackPlaneCorrectionDepESProducer.h
+++ b/CalibTracker/SiStripESProducers/plugins/real/SiStripBackPlaneCorrectionDepESProducer.h
@@ -23,7 +23,7 @@ class SiStripBackPlaneCorrectionDepESProducer : public edm::ESProducer {
   SiStripBackPlaneCorrectionDepESProducer(const edm::ParameterSet&);
   ~SiStripBackPlaneCorrectionDepESProducer() override{};
   
-  std::shared_ptr<SiStripBackPlaneCorrection> produce(const SiStripBackPlaneCorrectionDepRcd&);
+  std::unique_ptr<SiStripBackPlaneCorrection> produce(const SiStripBackPlaneCorrectionDepRcd&);
    
  private:
 
diff --git a/CalibTracker/SiStripESProducers/plugins/real/SiStripBadModuleFedErrESSource.cc b/CalibTracker/SiStripESProducers/plugins/real/SiStripBadModuleFedErrESSource.cc
index ba287b8d2cb5d..34dafe1668eff 100644
--- a/CalibTracker/SiStripESProducers/plugins/real/SiStripBadModuleFedErrESSource.cc
+++ b/CalibTracker/SiStripESProducers/plugins/real/SiStripBadModuleFedErrESSource.cc
@@ -47,7 +47,7 @@ class SiStripBadModuleFedErrESSource : public edm::ESProducer, public edm::Event
 
   void setIntervalFor( const edm::eventsetup::EventSetupRecordKey&, const edm::IOVSyncValue& iov, edm::ValidityInterval& iValidity ) override;
 
-  typedef std::shared_ptr<SiStripBadStrip> ReturnType;
+  typedef std::unique_ptr<SiStripBadStrip> ReturnType;
   ReturnType produce( const SiStripBadModuleFedErrRcd& );
 
 private:
@@ -125,7 +125,7 @@ SiStripBadModuleFedErrESSource::produce(const SiStripBadModuleFedErrRcd& iRecord
   edm::ESHandle<SiStripFedCabling> cabling;
   iRecord.getRecord<SiStripFedCablingRcd>().get(cabling);
 
-  std::shared_ptr<SiStripQuality> quality{new SiStripQuality};
+  auto quality = std::make_unique<SiStripQuality>();
 
   DQMStore* dqmStore = edm::Service<DQMStore>().operator->();
   if ( m_readFlag ) { // open requested file
diff --git a/CalibTracker/SiStripESProducers/plugins/real/SiStripDelayESProducer.cc b/CalibTracker/SiStripESProducers/plugins/real/SiStripDelayESProducer.cc
index 6b79826f57b51..2363d8b84cbe2 100644
--- a/CalibTracker/SiStripESProducers/plugins/real/SiStripDelayESProducer.cc
+++ b/CalibTracker/SiStripESProducers/plugins/real/SiStripDelayESProducer.cc
@@ -33,10 +33,10 @@ SiStripDelayESProducer::SiStripDelayESProducer(const edm::ParameterSet& iConfig)
 }
 
 
-std::shared_ptr<SiStripDelay> SiStripDelayESProducer::produce(const SiStripDelayRcd& iRecord)
+std::unique_ptr<SiStripDelay> SiStripDelayESProducer::produce(const SiStripDelayRcd& iRecord)
 {
   edm::LogInfo("SiStripDelayESProducer") << "produce called" << std::endl;
-  auto delay = std::make_shared<SiStripDelay>();
+  auto delay = std::make_unique<SiStripDelay>();
   delay->clear();
 
   edm::ESHandle<SiStripBaseDelay> baseDelay;
diff --git a/CalibTracker/SiStripESProducers/plugins/real/SiStripDelayESProducer.h b/CalibTracker/SiStripESProducers/plugins/real/SiStripDelayESProducer.h
index 4ef9b2658e06b..2fce7d19e44e6 100644
--- a/CalibTracker/SiStripESProducers/plugins/real/SiStripDelayESProducer.h
+++ b/CalibTracker/SiStripESProducers/plugins/real/SiStripDelayESProducer.h
@@ -22,7 +22,7 @@ class SiStripDelayESProducer : public edm::ESProducer {
   SiStripDelayESProducer(const edm::ParameterSet&);
   ~SiStripDelayESProducer() override{};
   
-  std::shared_ptr<SiStripDelay> produce(const SiStripDelayRcd&);
+  std::unique_ptr<SiStripDelay> produce(const SiStripDelayRcd&);
    
  private:
 
diff --git a/CalibTracker/SiStripESProducers/plugins/real/SiStripLorentzAngleDepESProducer.cc b/CalibTracker/SiStripESProducers/plugins/real/SiStripLorentzAngleDepESProducer.cc
index f5d564c16b7e1..ae73d4c01abf8 100644
--- a/CalibTracker/SiStripESProducers/plugins/real/SiStripLorentzAngleDepESProducer.cc
+++ b/CalibTracker/SiStripESProducers/plugins/real/SiStripLorentzAngleDepESProducer.cc
@@ -34,9 +34,9 @@ SiStripLorentzAngleDepESProducer::SiStripLorentzAngleDepESProducer(const edm::Pa
 }
 
 
-std::shared_ptr<SiStripLorentzAngle> SiStripLorentzAngleDepESProducer::produce(const SiStripLorentzAngleDepRcd& iRecord)
+std::unique_ptr<SiStripLorentzAngle> SiStripLorentzAngleDepESProducer::produce(const SiStripLorentzAngleDepRcd& iRecord)
 {
-  std::shared_ptr<SiStripLorentzAngle> siStripLA;
+  std::unique_ptr<SiStripLorentzAngle> siStripLA;
   edm::LogInfo("SiStripLorentzAngleDepESProducer") << "Producer called" << std::endl;
   
   std::string latencyRecordName = getLatency.getParameter<std::string>("record");
diff --git a/CalibTracker/SiStripESProducers/plugins/real/SiStripLorentzAngleDepESProducer.h b/CalibTracker/SiStripESProducers/plugins/real/SiStripLorentzAngleDepESProducer.h
index 49cbc876a67cc..ed2ee236b02fd 100644
--- a/CalibTracker/SiStripESProducers/plugins/real/SiStripLorentzAngleDepESProducer.h
+++ b/CalibTracker/SiStripESProducers/plugins/real/SiStripLorentzAngleDepESProducer.h
@@ -23,7 +23,7 @@ class SiStripLorentzAngleDepESProducer : public edm::ESProducer {
   SiStripLorentzAngleDepESProducer(const edm::ParameterSet&);
   ~SiStripLorentzAngleDepESProducer() override{};
   
-  std::shared_ptr<SiStripLorentzAngle> produce(const SiStripLorentzAngleDepRcd&);
+  std::unique_ptr<SiStripLorentzAngle> produce(const SiStripLorentzAngleDepRcd&);
    
  private:
 
diff --git a/CalibTracker/SiStripESProducers/plugins/real/SiStripQualityESProducer.cc b/CalibTracker/SiStripESProducers/plugins/real/SiStripQualityESProducer.cc
index f05240653f0f8..8c5ea0ea8c17a 100644
--- a/CalibTracker/SiStripESProducers/plugins/real/SiStripQualityESProducer.cc
+++ b/CalibTracker/SiStripESProducers/plugins/real/SiStripQualityESProducer.cc
@@ -34,9 +34,9 @@ SiStripQualityESProducer::SiStripQualityESProducer(const edm::ParameterSet& iCon
 }
 
 
-std::shared_ptr<SiStripQuality> SiStripQualityESProducer::produce(const SiStripQualityRcd& iRecord)
+std::unique_ptr<SiStripQuality> SiStripQualityESProducer::produce(const SiStripQualityRcd& iRecord)
 {
-  auto quality = std::make_shared<SiStripQuality>();  
+  auto quality = std::make_unique<SiStripQuality>();  
   edm::LogInfo("SiStripQualityESProducer") << "produce called" << std::endl;
 
   quality->clear();
diff --git a/CalibTracker/SiStripESProducers/plugins/real/SiStripQualityESProducer.h b/CalibTracker/SiStripESProducers/plugins/real/SiStripQualityESProducer.h
index 023659744aaca..853d3fd3662e3 100644
--- a/CalibTracker/SiStripESProducers/plugins/real/SiStripQualityESProducer.h
+++ b/CalibTracker/SiStripESProducers/plugins/real/SiStripQualityESProducer.h
@@ -22,7 +22,7 @@ class SiStripQualityESProducer : public edm::ESProducer {
   SiStripQualityESProducer(const edm::ParameterSet&);
   ~SiStripQualityESProducer() override{};
   
-  std::shared_ptr<SiStripQuality> produce(const SiStripQualityRcd&);
+  std::unique_ptr<SiStripQuality> produce(const SiStripQualityRcd&);
    
  private: