diff --git a/RecoLocalTracker/SiPixelRecHits/interface/PixelCPEGenericESProducer.h b/RecoLocalTracker/SiPixelRecHits/interface/PixelCPEGenericESProducer.h
index 3e1dd6ac171e5..e10ecc700de03 100644
--- a/RecoLocalTracker/SiPixelRecHits/interface/PixelCPEGenericESProducer.h
+++ b/RecoLocalTracker/SiPixelRecHits/interface/PixelCPEGenericESProducer.h
@@ -11,9 +11,8 @@ class  PixelCPEGenericESProducer: public edm::ESProducer{
  public:
   PixelCPEGenericESProducer(const edm::ParameterSet & p);
   ~PixelCPEGenericESProducer() override; 
-  std::shared_ptr<PixelClusterParameterEstimator> produce(const TkPixelCPERecord &);
+  std::unique_ptr<PixelClusterParameterEstimator> produce(const TkPixelCPERecord &);
  private:
-  std::shared_ptr<PixelClusterParameterEstimator> cpe_;
   edm::ParameterSet pset_;
   edm::ESInputTag magname_;
   bool useLAWidthFromDB_;
diff --git a/RecoLocalTracker/SiPixelRecHits/interface/PixelCPETemplateRecoESProducer.h b/RecoLocalTracker/SiPixelRecHits/interface/PixelCPETemplateRecoESProducer.h
index 67e1c081b09f6..4a47426f44f23 100644
--- a/RecoLocalTracker/SiPixelRecHits/interface/PixelCPETemplateRecoESProducer.h
+++ b/RecoLocalTracker/SiPixelRecHits/interface/PixelCPETemplateRecoESProducer.h
@@ -11,9 +11,8 @@ class  PixelCPETemplateRecoESProducer: public edm::ESProducer{
  public:
   PixelCPETemplateRecoESProducer(const edm::ParameterSet & p);
   ~PixelCPETemplateRecoESProducer() override; 
-  std::shared_ptr<PixelClusterParameterEstimator> produce(const TkPixelCPERecord &);
+  std::unique_ptr<PixelClusterParameterEstimator> produce(const TkPixelCPERecord &);
  private:
-  std::shared_ptr<PixelClusterParameterEstimator> cpe_;
   edm::ParameterSet pset_;
   bool DoLorentz_;
 };
diff --git a/RecoLocalTracker/SiPixelRecHits/plugins/PixelCPEGenericESProducer.cc b/RecoLocalTracker/SiPixelRecHits/plugins/PixelCPEGenericESProducer.cc
index f5dfeab62a735..76cb0cab2e302 100644
--- a/RecoLocalTracker/SiPixelRecHits/plugins/PixelCPEGenericESProducer.cc
+++ b/RecoLocalTracker/SiPixelRecHits/plugins/PixelCPEGenericESProducer.cc
@@ -45,7 +45,7 @@ PixelCPEGenericESProducer::PixelCPEGenericESProducer(const edm::ParameterSet & p
 
 PixelCPEGenericESProducer::~PixelCPEGenericESProducer() {}
 
-std::shared_ptr<PixelClusterParameterEstimator>
+std::unique_ptr<PixelClusterParameterEstimator>
 PixelCPEGenericESProducer::produce(const TkPixelCPERecord & iRecord){ 
 
   ESHandle<MagneticField> magfield;
@@ -83,12 +83,11 @@ PixelCPEGenericESProducer::produce(const TkPixelCPERecord & iRecord){
     //} else {
     //std::cout<<" pass an empty GenError pointer"<<std::endl;
   }
-  cpe_  = std::make_shared<PixelCPEGeneric>(
+  return std::make_unique<PixelCPEGeneric>(
                          pset_,magfield.product(),*pDD.product(),
 			 *hTT.product(),lorentzAngle.product(),
 			 genErrorDBObjectProduct,lorentzAngleWidthProduct);
 
-  return cpe_;
 }
 
 
diff --git a/RecoLocalTracker/SiPixelRecHits/plugins/PixelCPETemplateRecoESProducer.cc b/RecoLocalTracker/SiPixelRecHits/plugins/PixelCPETemplateRecoESProducer.cc
index 8877d7459c3be..3bc2e3ff4bf57 100644
--- a/RecoLocalTracker/SiPixelRecHits/plugins/PixelCPETemplateRecoESProducer.cc
+++ b/RecoLocalTracker/SiPixelRecHits/plugins/PixelCPETemplateRecoESProducer.cc
@@ -35,7 +35,7 @@ PixelCPETemplateRecoESProducer::PixelCPETemplateRecoESProducer(const edm::Parame
 
 PixelCPETemplateRecoESProducer::~PixelCPETemplateRecoESProducer() {}
 
-std::shared_ptr<PixelClusterParameterEstimator> 
+std::unique_ptr<PixelClusterParameterEstimator> 
 PixelCPETemplateRecoESProducer::produce(const TkPixelCPERecord & iRecord){ 
 
   ESHandle<MagneticField> magfield;
@@ -60,9 +60,7 @@ PixelCPETemplateRecoESProducer::produce(const TkPixelCPERecord & iRecord){
   ESHandle<SiPixelTemplateDBObject> templateDBobject;
   iRecord.getRecord<SiPixelTemplateDBObjectESProducerRcd>().get(templateDBobject);
 
-  //  cpe_  = std::make_shared<PixelCPETemplateReco>(pset_,magfield.product(),lorentzAngle.product(),templateDBobject.product() );
-  cpe_  = std::make_shared<PixelCPETemplateReco>(pset_,magfield.product(),*pDD.product(),*hTT.product(),lorentzAngleProduct,templateDBobject.product() );
-  return cpe_;
+  return std::make_unique<PixelCPETemplateReco>(pset_,magfield.product(),*pDD.product(),*hTT.product(),lorentzAngleProduct,templateDBobject.product() );
 }