diff --git a/RecoBTag/Skimming/interface/BTagSkimLeptonJet.h b/RecoBTag/Skimming/interface/BTagSkimLeptonJet.h
index 9cf386361d507..bdb7e045960b2 100644
--- a/RecoBTag/Skimming/interface/BTagSkimLeptonJet.h
+++ b/RecoBTag/Skimming/interface/BTagSkimLeptonJet.h
@@ -22,6 +22,7 @@ class BTagSkimLeptonJet : public edm::one::EDFilter<> {
   explicit BTagSkimLeptonJet(const edm::ParameterSet&);
   ~BTagSkimLeptonJet() override;
   bool filter(edm::Event&, const edm::EventSetup&) override;
+  static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);
   void endJob() override;
 
 private:
diff --git a/RecoBTag/Skimming/interface/BTagSkimMC.h b/RecoBTag/Skimming/interface/BTagSkimMC.h
index 17e5607bdd421..37c8ff6a909ee 100644
--- a/RecoBTag/Skimming/interface/BTagSkimMC.h
+++ b/RecoBTag/Skimming/interface/BTagSkimMC.h
@@ -18,6 +18,7 @@ class BTagSkimMC : public edm::stream::EDFilter<edm::GlobalCache<BTagSkimMCCount
   }
 
   bool filter(edm::Event& evt, const edm::EventSetup& es) override;
+  static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);
   void endStream() override;
   static void globalEndJob(const BTagSkimMCCount::Counters* counters);
 
diff --git a/RecoBTag/Skimming/src/BTagSkimLeptonJet.cc b/RecoBTag/Skimming/src/BTagSkimLeptonJet.cc
index 98a373ec57628..fd30bec5fd92b 100644
--- a/RecoBTag/Skimming/src/BTagSkimLeptonJet.cc
+++ b/RecoBTag/Skimming/src/BTagSkimLeptonJet.cc
@@ -22,6 +22,8 @@
 #include "DataFormats/EgammaCandidates/interface/GsfElectronFwd.h"
 
 #include "RecoBTag/Skimming/interface/BTagSkimLeptonJet.h"
+#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
+#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
 
 #include "TVector3.h"
 #include "Math/GenVector/VectorUtil.h"
@@ -174,5 +176,20 @@ void BTagSkimLeptonJet::endJob() {
       << "\n===========================================================================" << endl;
 }
 
+void BTagSkimLeptonJet::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
+  edm::ParameterSetDescription desc;
+  desc.add<edm::InputTag>("CaloJet", edm::InputTag("iterativeCone5CaloJets"));
+  desc.add<double>("MinimumCaloJetPt", 20.0);
+  desc.add<double>("MinimumPtRel", 0.0);
+  desc.add<std::string>("LeptonType", "");
+  desc.add<edm::InputTag>("Lepton", edm::InputTag(""));
+  desc.add<int>("MinimumNLeptonJet", 1);
+  desc.add<double>("MaximumDeltaR", 0.4);
+  desc.add<double>("MaximumLeptonEta", 2.5);
+  desc.add<double>("MinimumLeptonPt", 6.0);
+  desc.add<double>("MaximumCaloJetEta", 3.0);
+  descriptions.addWithDefaultLabel(desc);
+}
+
 //define this as a plug-in
 DEFINE_FWK_MODULE(BTagSkimLeptonJet);
diff --git a/RecoBTag/Skimming/src/BTagSkimMC.cc b/RecoBTag/Skimming/src/BTagSkimMC.cc
index 0e078511d1832..d602654e08d8e 100644
--- a/RecoBTag/Skimming/src/BTagSkimMC.cc
+++ b/RecoBTag/Skimming/src/BTagSkimMC.cc
@@ -3,11 +3,12 @@
 #include "FWCore/Framework/interface/Event.h"
 #include "FWCore/Utilities/interface/InputTag.h"
 #include "FWCore/MessageLogger/interface/MessageLogger.h"
+#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
+#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
+#include "DataFormats/HepMCCandidate/interface/GenParticle.h"
 
 using namespace edm;
 using namespace std;
-
-#include "DataFormats/HepMCCandidate/interface/GenParticle.h"
 using namespace reco;
 
 BTagSkimMC::BTagSkimMC(const ParameterSet& p, const BTagSkimMCCount::Counters* count) : nEvents_(0), nAccepted_(0) {
@@ -77,6 +78,15 @@ bool BTagSkimMC::filter(Event& evt, const EventSetup& es) {
   return false;
 }
 
+void BTagSkimMC::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
+  edm::ParameterSetDescription desc;
+  desc.add<std::string>("mcProcess", "ttbar");
+  desc.add<double>("pthat_min", 50.0);
+  desc.addUntracked<bool>("verbose", false);
+  desc.add<double>("pthat_max", 80.0);
+  descriptions.addWithDefaultLabel(desc);
+}
+
 void BTagSkimMC::endStream() {
   globalCache()->nEvents_ += nEvents_;
   globalCache()->nAccepted_ += nAccepted_;