diff --git a/Reconstruction/Jet/JetMonitoring/JetMonitoring/JetHistoBase.h b/Reconstruction/Jet/JetMonitoring/JetMonitoring/JetHistoBase.h
index c051efea2f6a8c76bc3a9542fc6bfb5fb2d31f15..c8d3b6342503c9ccbc5e03778f2a05cd8ba7917d 100644
--- a/Reconstruction/Jet/JetMonitoring/JetMonitoring/JetHistoBase.h
+++ b/Reconstruction/Jet/JetMonitoring/JetMonitoring/JetHistoBase.h
@@ -37,7 +37,7 @@ class JetHistoBase :  public HistoGroupBase {
 
   
   virtual int fillHistosFromContainer(const xAOD::JetContainer & cont, float weight);
-  virtual int fillHistosFromJet(const xAOD::Jet &j, float weight);
+  virtual int fillHistosFromJet(const xAOD::Jet &j, float /*weight*/);
 
   virtual int finalizeHistos();
 
diff --git a/Reconstruction/Jet/JetMonitoring/Root/JetAttributeHisto.cxx b/Reconstruction/Jet/JetMonitoring/Root/JetAttributeHisto.cxx
index c59e7b3d76b7576b3e7e7b3df3ed8cf4b9e3320a..57259b3c9967c82dbdf79e20a814b94c15b4d164 100644
--- a/Reconstruction/Jet/JetMonitoring/Root/JetAttributeHisto.cxx
+++ b/Reconstruction/Jet/JetMonitoring/Root/JetAttributeHisto.cxx
@@ -12,7 +12,7 @@ namespace jet {
   class HistoFiller {
   public:
     virtual ~HistoFiller() {}
-    virtual void fill(const xAOD::Jet &, float weight ){};
+    virtual void fill(const xAOD::Jet &, float /*weight*/ ){};
     // allows to avoid invalid attribute
     virtual bool isValid(const xAOD::Jet &){return false;}
   };
diff --git a/Reconstruction/Jet/JetMonitoring/Root/JetHistoBase.cxx b/Reconstruction/Jet/JetMonitoring/Root/JetHistoBase.cxx
index 29f2eaa4b34f7962dc8912b5ba3298f202280270..76b0de5e8141eb11b9e654762dd42764d121a70d 100644
--- a/Reconstruction/Jet/JetMonitoring/Root/JetHistoBase.cxx
+++ b/Reconstruction/Jet/JetMonitoring/Root/JetHistoBase.cxx
@@ -27,7 +27,7 @@ int JetHistoBase::fillHistosFromContainer(const xAOD::JetContainer & cont, float
   return count;    
 }
 
-int JetHistoBase::fillHistosFromJet(const xAOD::Jet &, float weight) { return 0;}
+int JetHistoBase::fillHistosFromJet(const xAOD::Jet &, float /*weight*/) { return 0;}
 
 int JetHistoBase::finalizeHistos() {return 0;}