diff --git a/LArCalorimeter/LArRecUtils/src/LArADC2MeVTool.cxx b/LArCalorimeter/LArRecUtils/src/LArADC2MeVTool.cxx
index 2516cbd2f4de0f24d2a99e06680776e1fa9869f2..20b98ed8524fa910d6a1333692fea771f948f9cb 100755
--- a/LArCalorimeter/LArRecUtils/src/LArADC2MeVTool.cxx
+++ b/LArCalorimeter/LArRecUtils/src/LArADC2MeVTool.cxx
@@ -21,7 +21,8 @@ LArADC2MeVTool::LArADC2MeVTool(const std::string& type,
 			       const IInterface* parent) 
   : 
     AthAlgTool(type, name, parent) ,
-    m_cablingService(NULL),
+    m_lar_on_id(nullptr),
+    m_cablingService(nullptr),
     m_larmcsym("LArMCSymTool"),
     m_IOVDbSvc("IOVDbSvc",name),
     m_keyADC2DAC("LArRamp"),	
diff --git a/LArCalorimeter/LArRecUtils/src/LArAutoCorrNoiseTool.cxx b/LArCalorimeter/LArRecUtils/src/LArAutoCorrNoiseTool.cxx
index 52c62b055d09505b7296409e6c9473177e623239..7b6453901aaff7682a4c2de2f22f382d954c1b99 100755
--- a/LArCalorimeter/LArRecUtils/src/LArAutoCorrNoiseTool.cxx
+++ b/LArCalorimeter/LArRecUtils/src/LArAutoCorrNoiseTool.cxx
@@ -18,6 +18,8 @@ LArAutoCorrNoiseTool::LArAutoCorrNoiseTool(const std::string& type,
 					   const IInterface* parent) 
   : AthAlgTool(type, name, parent),
     m_Nsampl(5),m_MCSym(true), 
+    m_lar_on_id(nullptr),
+    m_lar_scon_id(nullptr),
     m_cablingService("LArCablingService"),
     m_larmcsym("LArMCSymTool"),
     m_keyAutoCorr("LArAutoCorr"),
diff --git a/LArCalorimeter/LArRecUtils/src/LArAutoCorrTotalTool.cxx b/LArCalorimeter/LArRecUtils/src/LArAutoCorrTotalTool.cxx
index 6c45710d38a1abb4b10751874840d3a52760591b..bc6a2514e36b7985bed1a22836b59ef27ec1410d 100755
--- a/LArCalorimeter/LArRecUtils/src/LArAutoCorrTotalTool.cxx
+++ b/LArCalorimeter/LArRecUtils/src/LArAutoCorrTotalTool.cxx
@@ -20,14 +20,22 @@ LArAutoCorrTotalTool::LArAutoCorrTotalTool(const std::string& type,
 					   const std::string& name, 
 					   const IInterface* parent) 
   : AthAlgTool(type, name, parent),
-    m_Nminbias(0),m_MCSym(false),
+    m_Nminbias(0),
+    m_NoPile(0),
+    m_MCSym(false),
     m_useMixedOFCOpt(false),
-    m_cablingService(NULL),
+    m_lar_on_id(nullptr),
+    m_cablingService(nullptr),
     m_larmcsym("LArMCSymTool"),m_adc2mevTool("LArADC2MeVTool"),
+    m_calo_id_man(nullptr),
+    m_lar_em_id(nullptr),
+    m_lar_hec_id(nullptr),
+    m_lar_fcal_id(nullptr),
     m_keyShape("LArShape"), m_keyAutoCorr("LArAutoCorr"),
     m_keyNoise("LArNoise"), m_keyfSampl("LArfSampl"),
     m_keyMinBias("LArMinBias"), m_keyPedestal("LArPedestal"),
     m_isMC(true),
+    m_nsamples_AC_OFC(0),
     m_cacheValid(false),m_loadAtBegin(true),m_deltaBunch(1),m_nsamples(5),m_firstSample(0),m_isSC(false)
 {
   declareInterface<ILArAutoCorrTotalTool>(this);
diff --git a/LArCalorimeter/LArRecUtils/src/LArCellFakeProbElectronics.cxx b/LArCalorimeter/LArRecUtils/src/LArCellFakeProbElectronics.cxx
index 9f3d1ba008b2b44be6bb24e0a504970d5b6ff353..c989636284a57fe0cee046df65c974e56792ebba 100755
--- a/LArCalorimeter/LArRecUtils/src/LArCellFakeProbElectronics.cxx
+++ b/LArCalorimeter/LArRecUtils/src/LArCellFakeProbElectronics.cxx
@@ -43,7 +43,10 @@ LArCellFakeProbElectronics::LArCellFakeProbElectronics(
 			     const std::string& type, 
 			     const std::string& name, 
 			     const IInterface* parent)
-  : AthAlgTool(type, name, parent)
+  : AthAlgTool(type, name, parent),
+    m_idHelper(nullptr),
+    m_cablingService(nullptr),
+    m_onlineHelper(nullptr)
 {
   declareInterface<ICellWeightTool>(this);
   declareProperty("Dead_FEC_FEB_CHAN",   m_inputStringIDs);
diff --git a/LArCalorimeter/LArRecUtils/src/LArOFCTool.cxx b/LArCalorimeter/LArRecUtils/src/LArOFCTool.cxx
index 5ec7e72aabb45f0aed712f5b01919ea6ce626123..e4cf6ea5ff7ae02ae50ca54f6d8654a7e846d127 100755
--- a/LArCalorimeter/LArRecUtils/src/LArOFCTool.cxx
+++ b/LArCalorimeter/LArRecUtils/src/LArOFCTool.cxx
@@ -32,7 +32,14 @@ LArOFCTool::LArOFCTool(const std::string& type,
 		       const std::string& name, 
 		       const IInterface* parent) 
   : AthAlgTool(type, name, parent), 
+    m_lar_on_id(nullptr),
+    m_cablingService(nullptr),
     m_larmcsym("LArMCSymTool"),
+    m_calo_id_man(nullptr),
+    m_lar_em_id(nullptr),
+    m_lar_hec_id(nullptr),
+    m_lar_fcal_id(nullptr),
+    m_calo_dd_man(nullptr),
     m_keyShape("LArShape"), m_keyOFC("LArOFC"), 
     m_keyNoise("LArNoise"), m_keyPedestal("LArPedestal"),
     m_autocorrTool("LArAutoCorrTotalTool"),