diff --git a/DDCore/src/Evaluator/Evaluator.cpp b/DDCore/src/Evaluator/Evaluator.cpp
index 20121036ef7656097d421dbfae37efcc36773532..14cd8b46d81158f0b36c3d3220835db04d3511eb 100644
--- a/DDCore/src/Evaluator/Evaluator.cpp
+++ b/DDCore/src/Evaluator/Evaluator.cpp
@@ -592,17 +592,17 @@ namespace XmlTools {
 
   //---------------------------------------------------------------------------
   Evaluator::~Evaluator() {
-    Struct * s = (Struct *)(p);
+    Struct * s = reinterpret_cast<Struct*>(p);
     if (s->theExpression != 0) {
       delete[] s->theExpression;
       s->theExpression = 0;
     }
-    delete (Struct *)(p);
+    delete reinterpret_cast<Struct*>(p);
   }
 
   //---------------------------------------------------------------------------
   double Evaluator::evaluate(const char * expression) {
-    Struct * s = (Struct *)(p);
+    Struct * s = reinterpret_cast<Struct*>(p);
     if (s->theExpression != 0) { delete[] s->theExpression; }
     s->theExpression = 0;
     s->thePosition   = 0;
@@ -622,18 +622,18 @@ namespace XmlTools {
 
   //---------------------------------------------------------------------------
   int Evaluator::status() const {
-    return ((Struct *)(p))->theStatus;
+    return (reinterpret_cast<Struct*>(p))->theStatus;
   }
 
   //---------------------------------------------------------------------------
   int Evaluator::error_position() const {
-    return ((Struct *)(p))->thePosition - ((Struct *)(p))->theExpression;
+    return (reinterpret_cast<Struct*>(p))->thePosition - (reinterpret_cast<Struct*>(p))->theExpression;
   }
 
   //---------------------------------------------------------------------------
   void Evaluator::print_error() const {
     char prefix[] = "Evaluator : ";
-    Struct * s = (Struct *) p;
+    Struct * s = reinterpret_cast<Struct*>(p);
     switch (s->theStatus) {
     case ERROR_NOT_A_NAME:
       std::cerr << prefix << "invalid name"         << std::endl;
@@ -667,7 +667,7 @@ namespace XmlTools {
 
   //---------------------------------------------------------------------------
   void Evaluator::setEnviron(const char* name, const char* value)  {
-    Struct* s = (Struct *)p;
+    Struct* s = reinterpret_cast<Struct*>(p);
     string prefix = "${";
     string item_name = prefix + string(name) + string("}");
     dic_type::iterator iter = (s->theDictionary).find(item_name);
@@ -691,7 +691,7 @@ namespace XmlTools {
   }
   //---------------------------------------------------------------------------
   const char* Evaluator::getEnviron(const char* name)  {
-    Struct* s = (Struct *)p;
+    Struct* s = reinterpret_cast<Struct*>(p);
     string item_name = name;
     //std::cout << " ++++++++++++++++++++++++++++ Try to resolve env:" << name << std::endl;
     dic_type::iterator iter = (s->theDictionary).find(item_name);
@@ -714,40 +714,40 @@ namespace XmlTools {
 
   //---------------------------------------------------------------------------
   void Evaluator::setVariable(const char * name, double value)
-  { setItem("", name, Item(value), (Struct *)p); }
+  { setItem("", name, Item(value), reinterpret_cast<Struct*>(p)); }
 
   void Evaluator::setVariable(const char * name, const char * expression)
-  { setItem("", name, Item(expression), (Struct *)p); }
+  { setItem("", name, Item(expression), reinterpret_cast<Struct*>(p)); }
 
   //---------------------------------------------------------------------------
   void Evaluator::setFunction(const char * name,double (*fun)())   {
     FCN fcn(fun);
-    setItem("0", name, Item(fcn.ptr), (Struct *)p);
+    setItem("0", name, Item(fcn.ptr), reinterpret_cast<Struct*>(p));
   }
 
   void Evaluator::setFunction(const char * name,double (*fun)(double))   {
     FCN fcn(fun);
-    setItem("1", name, Item(fcn.ptr), (Struct *)p);
+    setItem("1", name, Item(fcn.ptr), reinterpret_cast<Struct*>(p));
   }
 
   void Evaluator::setFunction(const char * name, double (*fun)(double,double))  {
     FCN fcn(fun);
-    setItem("2", name, Item(fcn.ptr), (Struct *)p);
+    setItem("2", name, Item(fcn.ptr), reinterpret_cast<Struct*>(p));
   }
 
   void Evaluator::setFunction(const char * name, double (*fun)(double,double,double))  {
     FCN fcn(fun);
-    setItem("3", name, Item(fcn.ptr), (Struct *)p);
+    setItem("3", name, Item(fcn.ptr), reinterpret_cast<Struct*>(p));
   }
 
   void Evaluator::setFunction(const char * name, double (*fun)(double,double,double,double)) {
     FCN fcn(fun);
-    setItem("4", name, Item(fcn.ptr), (Struct *)p);
+    setItem("4", name, Item(fcn.ptr), reinterpret_cast<Struct*>(p));
   }
 
   void Evaluator::setFunction(const char * name, double (*fun)(double,double,double,double,double))  {
     FCN fcn(fun);
-    setItem("5", name, Item(fcn.ptr), (Struct *)p);
+    setItem("5", name, Item(fcn.ptr), reinterpret_cast<Struct*>(p));
   }
 
   //---------------------------------------------------------------------------
@@ -755,7 +755,7 @@ namespace XmlTools {
     if (name == 0 || *name == '\0') return false;
     const char * pointer; int n; REMOVE_BLANKS;
     if (n == 0) return false;
-    Struct * s = (Struct *)(p);
+    Struct * s = reinterpret_cast<Struct*>(p);
     return
       ((s->theDictionary).find(string(pointer,n)) == (s->theDictionary).end()) ?
       false : true;
@@ -767,7 +767,7 @@ namespace XmlTools {
     if (npar < 0  || npar > MAX_N_PAR) return false;
     const char * pointer; int n; REMOVE_BLANKS;
     if (n == 0) return false;
-    Struct * s = (Struct *)(p);
+    Struct * s = reinterpret_cast<Struct*>(p);
     return ((s->theDictionary).find(sss[npar]+string(pointer,n)) ==
             (s->theDictionary).end()) ? false : true;
   }
@@ -777,7 +777,7 @@ namespace XmlTools {
     if (name == 0 || *name == '\0') return;
     const char * pointer; int n; REMOVE_BLANKS;
     if (n == 0) return;
-    Struct * s = (Struct *)(p);
+    Struct * s = reinterpret_cast<Struct*>(p);
     (s->theDictionary).erase(string(pointer,n));
   }
 
@@ -787,13 +787,13 @@ namespace XmlTools {
     if (npar < 0  || npar > MAX_N_PAR) return;
     const char * pointer; int n; REMOVE_BLANKS;
     if (n == 0) return;
-    Struct * s = (Struct *)(p);
+    Struct * s = reinterpret_cast<Struct*>(p);
     (s->theDictionary).erase(sss[npar]+string(pointer,n));
   }
 
   //---------------------------------------------------------------------------
   void Evaluator::clear() {
-    Struct * s = (Struct *) p;
+    Struct * s = reinterpret_cast<Struct*>(p);
     s->theDictionary.clear();
     s->theExpression = 0;
     s->thePosition   = 0;
diff --git a/DDEve/src/GenericEventHandler.cpp b/DDEve/src/GenericEventHandler.cpp
index acd63390e73e355c77a8660289cb40aab39913a9..1e4b2a59cfbf912fc021197f7dd58f22915a179a 100644
--- a/DDEve/src/GenericEventHandler.cpp
+++ b/DDEve/src/GenericEventHandler.cpp
@@ -69,12 +69,12 @@ long GenericEventHandler::numEvents() const   {
 }
 
 /// Access the data source name
-std::string GenericEventHandler::datasourceName() const {
+string GenericEventHandler::datasourceName() const {
   return current()->datasourceName();
 }
 
 /// Access to the collection type by name
-EventHandler::CollectionType GenericEventHandler::collectionType(const std::string& collection) const   {
+EventHandler::CollectionType GenericEventHandler::collectionType(const string& collection) const   {
   if ( m_current && m_current->hasEvent() )  {
     return m_current->collectionType(collection);
   }
@@ -82,7 +82,7 @@ EventHandler::CollectionType GenericEventHandler::collectionType(const std::stri
 }
 
 /// Loop over collection and extract data
-size_t GenericEventHandler::collectionLoop(const std::string& collection, DDEveHitActor& actor) {
+size_t GenericEventHandler::collectionLoop(const string& collection, DDEveHitActor& actor) {
   if ( m_current && m_current->hasEvent() )  {
     return m_current->collectionLoop(collection,actor);
   }
@@ -90,7 +90,7 @@ size_t GenericEventHandler::collectionLoop(const std::string& collection, DDEveH
 }
 
 /// Loop over collection and extract particle data
-size_t GenericEventHandler::collectionLoop(const std::string& collection, DDEveParticleActor& actor)    {
+size_t GenericEventHandler::collectionLoop(const string& collection, DDEveParticleActor& actor)    {
   if ( m_current && m_current->hasEvent() )  {
     return m_current->collectionLoop(collection,actor);
   }
@@ -100,6 +100,7 @@ size_t GenericEventHandler::collectionLoop(const std::string& collection, DDEveP
 /// Open a new event data file
 bool GenericEventHandler::Open(const string& file_type, const string& file_name)   {
   size_t idx = file_name.find("lcio");
+  size_t idr = file_name.find("root");
   string err;
   m_hasFile = false;
   m_hasEvent = false;
@@ -108,9 +109,12 @@ bool GenericEventHandler::Open(const string& file_type, const string& file_name)
     if ( idx != string::npos )   {
       m_current = (EventHandler*)PluginService::Create<void*>("DDEve_LCIOEventHandler",(const char*)0);
     }
-    else if ( (idx=file_name.find("root")) != string::npos )   {
+    else if ( idr != string::npos )   {
       m_current = (EventHandler*)PluginService::Create<void*>("DDEve_DDG4EventHandler",(const char*)0);
     }
+    else   {
+      throw runtime_error("Attempt to open file:"+file_name+" of unknown type:"+file_type);
+    }
     if ( m_current )   {
       if ( m_current->Open(file_type, file_name) )   {
         m_hasFile = true;
@@ -124,7 +128,7 @@ bool GenericEventHandler::Open(const string& file_type, const string& file_name)
       err = "+++ Failed to create fikle reader for file '"+file_name+"' of type '"+file_type+"'";
     }
   }
-  catch(const std::exception& e)  {
+  catch(const exception& e)  {
     err = "\nAn exception occurred \n"
       "while opening event data:\n" + string(e.what()) + "\n\n";
   }
@@ -148,7 +152,7 @@ bool GenericEventHandler::NextEvent()   {
     }
     throw runtime_error("+++ EventHandler::readEvent: No file open!");
   }
-  catch(const std::exception& e)  {
+  catch(const exception& e)  {
     string path = TString::Format("%s/icons/stop_t.xpm", gSystem->Getenv("ROOTSYS")).Data();
     string err = "\nAn exception occurred \n"
       "while reading a new event:\n" + string(e.what()) + "\n\n";
diff --git a/DDG4/examples/initAClick.C b/DDG4/examples/initAClick.C
index d88fdf01a27ab007f521cb15507622a3a2bfca80..ed7dde7e3408284c43ca00133b5e944b1da14acd 100644
--- a/DDG4/examples/initAClick.C
+++ b/DDG4/examples/initAClick.C
@@ -21,14 +21,12 @@
 #include <iostream>
 #include <string>
 
-using namespace std;
-
-string make_str(const char* data)  {
+std::string make_str(const char* data)  {
   if ( !data )   {
-    cout << "make_str:  '" << (data ? data : "Bad-Pointer") << "'" << endl;
-    return string("");
+    std::cout << "make_str:  '" << (data ? data : "Bad-Pointer") << "'" << std::endl;
+    return std::string("");
   }
-  return string(data);
+  return std::string(data);
 }
 
 /// Process a single command in the ROOT interpreter
@@ -51,8 +49,7 @@ int processCommand(const char* command, bool end_process)   {
 
 /// Process a ROOT AClick given a file
 int processMacro(const char* macro, bool end_process)   {
-  int status;
-  string cmd = ".X ";
+  std::string cmd = ".X ";
   cmd += macro;
   cmd += ".C+()";
   return processCommand(cmd.c_str(), end_process);
@@ -60,11 +57,11 @@ int processMacro(const char* macro, bool end_process)   {
 
 /// Initialize the ROOT environment to compile and execute a ROOT AClick
 int initAClick(const char* command=0)  {
-  string rootsys = make_str(gSystem->Getenv("ROOTSYS"));
-  string g4_base = make_str(gSystem->Getenv("G4INSTALL"));
-  string dd4hep  = make_str(gSystem->Getenv("DD4hepINSTALL"));
-  string libs = (" -L"+rootsys+"/lib");
-  string inc  = " -I"+dd4hep+"/examples/DDG4/examples" +
+  std::string rootsys = make_str(gSystem->Getenv("ROOTSYS"));
+  std::string g4_base = make_str(gSystem->Getenv("G4INSTALL"));
+  std::string dd4hep  = make_str(gSystem->Getenv("DD4hepINSTALL"));
+  std::string libs = (" -L"+rootsys+"/lib");
+  std::string inc  = " -I"+dd4hep+"/examples/DDG4/examples" +
     " -I"+dd4hep +
     " -I"+dd4hep+"/include" +
     " -I"+g4_base+"/include/Geant4" +
@@ -78,8 +75,8 @@ int initAClick(const char* command=0)  {
   libs += (" -L"+g4_base+"/lib -L"+g4_base+"/lib64 -lG4event -lG4tracking -lG4particles");
   gSystem->AddIncludePath(inc.c_str());
   gSystem->AddLinkedLibs(libs.c_str());
-  cout << "+++ Includes:   " << gSystem->GetIncludePath() << endl;
-  cout << "+++ Linked libs:" << gSystem->GetLinkedLibs()  << endl;
+  std::cout << "+++ Includes:   " << gSystem->GetIncludePath() << std::endl;
+  std::cout << "+++ Linked libs:" << gSystem->GetLinkedLibs()  << std::endl;
   int ret = gSystem->Load("libDDG4Plugins");
   if ( 0 == ret )   {
     if ( command )  {
diff --git a/DDG4/plugins/Geant4TrackerWeightedSD.cpp b/DDG4/plugins/Geant4TrackerWeightedSD.cpp
index d965d06900c8a5f3eed3b35f020ebedbedeabd35..9f2f70e126fdf222b67cc194e8858a3ff37e75d2 100644
--- a/DDG4/plugins/Geant4TrackerWeightedSD.cpp
+++ b/DDG4/plugins/Geant4TrackerWeightedSD.cpp
@@ -209,13 +209,13 @@ namespace DD4hep {
                            pre.truth.trackID,int(collection->GetSize()),
                            combined,pre.truth.deposit/CLHEP::keV,
                            pos.X()/CLHEP::mm,pos.Y()/CLHEP::mm,pos.Z()/CLHEP::mm,
-                           hit_flag&Geant4Tracker::Hit::HIT_STARTED_SURFACE ? "SURFACE" : "",
-                           hit_flag&Geant4Tracker::Hit::HIT_STARTED_OUTSIDE ? "OUTSIDE" : "",
-                           hit_flag&Geant4Tracker::Hit::HIT_STARTED_INSIDE  ? "INSIDE " : "",
+                           (hit_flag&Geant4Tracker::Hit::HIT_STARTED_SURFACE ? "SURFACE" : ""),
+                           (hit_flag&Geant4Tracker::Hit::HIT_STARTED_OUTSIDE ? "OUTSIDE" : ""),
+                           (hit_flag&Geant4Tracker::Hit::HIT_STARTED_INSIDE  ? "INSIDE " : ""),
                            dist_in,
-                           hit_flag&Geant4Tracker::Hit::HIT_ENDED_SURFACE   ? "SURFACE" : "",
-                           hit_flag&Geant4Tracker::Hit::HIT_ENDED_OUTSIDE   ? "OUTSIDE" : "",
-                           hit_flag&Geant4Tracker::Hit::HIT_ENDED_INSIDE    ? "INSIDE " : "",
+                           (hit_flag&Geant4Tracker::Hit::HIT_ENDED_SURFACE   ? "SURFACE" : ""),
+                           (hit_flag&Geant4Tracker::Hit::HIT_ENDED_OUTSIDE   ? "OUTSIDE" : ""),
+                           (hit_flag&Geant4Tracker::Hit::HIT_ENDED_INSIDE    ? "INSIDE " : ""),
                            dist_out);
           collection->add(hit);
         }
diff --git a/DDG4/src/Geant4ParticleHandler.cpp b/DDG4/src/Geant4ParticleHandler.cpp
index d15bca5dbc5808b8576ea5afe1081ea207e4e7a9..5650d0793a976c7abe2a5653eac4096140972318 100644
--- a/DDG4/src/Geant4ParticleHandler.cpp
+++ b/DDG4/src/Geant4ParticleHandler.cpp
@@ -521,8 +521,6 @@ int Geant4ParticleHandler::recombineParents()  {
   for(ParticleMap::reverse_iterator i=m_particleMap.rbegin(); i!=m_particleMap.rend(); ++i)  {
     Particle* p = (*i).second;
     PropertyMask mask(p->reason);
-    bool remove_me = false;
-
     // Allow the user to force the particle handling either by
     // or the reason mask with G4PARTICLE_KEEP_USER or
     // to set the reason mask to NULL in order to drop it.
@@ -531,7 +529,7 @@ int Geant4ParticleHandler::recombineParents()  {
     // or is set to NULL, the particle is ALWAYS removed
     //
     // Note: This may override all other decisions!
-    remove_me = m_userHandler ? m_userHandler->keepParticle(*p) : defaultKeepParticle(*p);
+    bool remove_me = m_userHandler ? m_userHandler->keepParticle(*p) : defaultKeepParticle(*p);
 
     // Now look at the property mask of the particle
     if ( mask.isNull() || mask.isSet(G4PARTICLE_FORCE_KILL) )  {
diff --git a/doc/gdml_root.C b/doc/gdml_root.C
index 81340439ec266234d2f15af1f74d2aa25d318c01..4c0524df93628aeb32ef341741fd44003e7bd1f4 100644
--- a/doc/gdml_root.C
+++ b/doc/gdml_root.C
@@ -51,7 +51,7 @@ TGeoVolume* gdml_root(const char* sys_name) {
 
   if ( !in.good() )
     cout << "++ Failed to open visualization file:" << vis_file 
-	 << " :: " << strerror(errno) << endl;
+         << " :: " << strerror(errno) << endl;
   else
     cout << "++ Processing visualization file:" << vis_file << endl;
 
@@ -70,85 +70,85 @@ TGeoVolume* gdml_root(const char* sys_name) {
       debug << line << " ";
       switch(count) {
       case 0:
-	vol_name = line+::strlen("vol:");
-	break;
+        vol_name = line+::strlen("vol:");
+        break;
       case 1:
-	break;
+        break;
       case 2:
-	line += ::strlen("visible:");
-	visible = *line=='1';
-	break;
+        line += ::strlen("visible:");
+        visible = *line=='1';
+        break;
       case 3:
-	line += ::strlen("r:");
-	red = atof(line);
-	break;
+        line += ::strlen("r:");
+        red = atof(line);
+        break;
       case 4:
-	line += ::strlen("g:");
-	green = atof(line);
-	break;
+        line += ::strlen("g:");
+        green = atof(line);
+        break;
       case 5:
-	line += ::strlen("b:");
-	blue = atof(line);
-	break;
+        line += ::strlen("b:");
+        blue = atof(line);
+        break;
       case 6:
-	line += ::strlen("alpha:");
-	//alpha = atof(line);
-	break;
+        line += ::strlen("alpha:");
+        //alpha = atof(line);
+        break;
       case 7:
-	line_style = line+::strlen("line_style:");
-	break;
+        line_style = line+::strlen("line_style:");
+        break;
       case 8:
-	drawing_style = line+::strlen("drawing_style:");
-	break;
+        drawing_style = line+::strlen("drawing_style:");
+        break;
       case 9:
-	line += ::strlen("show_daughters:");
-	show_daughters = *line=='1';
-	break;
+        line += ::strlen("show_daughters:");
+        show_daughters = *line=='1';
+        break;
       default:
-	break;
+        break;
       }
     }
     if ( debug_processing ) cout << debug.str() << endl;
     debug.str("");
-    TGeoVolume* volume = 0;
 
     if ( vol_name && ::strlen(vol_name) )   {
+      TGeoVolume* volume = 0;
       for(int i=0;i<num_volumes;++i) {
-	TGeoVolume* v=(TGeoVolume*)vols->At(i);
-	if ( 0 == ::strcmp(vol_name,v->GetName()) ) {
-	  volume = v;
-	  break;
-	}
+        TGeoVolume* v=(TGeoVolume*)vols->At(i);
+        if ( 0 == ::strcmp(vol_name,v->GetName()) ) {
+          volume = v;
+          break;
+        }
       }
       if ( volume ) {
-	int     color  = TColor::GetColor(red,green,blue);
-	Color_t bright = TColor::GetColorBright(color);
-	Color_t dark   = TColor::GetColorDark(color);
-	debug << "+ \tr:" << red << " g:" << green << " b:" << blue << " col:" << color 
-	      << " line_style:" << line_style << " drawing_style:" << drawing_style 
-	      << " visible:" << visible << " show_daughters:" << show_daughters;
-	volume->SetLineColor(dark);
-	if ( drawing_style == "solid" )  {
-	  volume->SetFillColor(bright);
-	  volume->SetFillStyle(1001); // Root: solid
-	}
-	else {
-	  //volume->SetFillColor(bright);
-	  volume->SetFillColor(0);
-	  volume->SetFillStyle(0);    // Root: hollow
-	}
-	if ( line_style == "unbroken" )
-	  volume->SetFillStyle(1);
-	else
-	  volume->SetFillStyle(2);
+        int     color  = TColor::GetColor(red,green,blue);
+        Color_t bright = TColor::GetColorBright(color);
+        Color_t dark   = TColor::GetColorDark(color);
+        debug << "+ \tr:" << red << " g:" << green << " b:" << blue << " col:" << color 
+              << " line_style:" << line_style << " drawing_style:" << drawing_style 
+              << " visible:" << visible << " show_daughters:" << show_daughters;
+        volume->SetLineColor(dark);
+        if ( drawing_style == "solid" )  {
+          volume->SetFillColor(bright);
+          volume->SetFillStyle(1001); // Root: solid
+        }
+        else {
+          //volume->SetFillColor(bright);
+          volume->SetFillColor(0);
+          volume->SetFillStyle(0);    // Root: hollow
+        }
+        if ( line_style == "unbroken" )
+          volume->SetFillStyle(1);
+        else
+          volume->SetFillStyle(2);
       
-	volume->SetLineWidth(10);
-	volume->SetVisibility(visible ? kTRUE : kFALSE);
-	volume->SetAttBit(TGeoAtt::kVisContainers,kTRUE);
-	volume->SetVisDaughters(show_daughters ? kTRUE : kFALSE);
+        volume->SetLineWidth(10);
+        volume->SetVisibility(visible ? kTRUE : kFALSE);
+        volume->SetAttBit(TGeoAtt::kVisContainers,kTRUE);
+        volume->SetVisDaughters(show_daughters ? kTRUE : kFALSE);
       }
       else {
-	cout << endl << "++ Failed to find volume with name:" << vol_name;
+        cout << endl << "++ Failed to find volume with name:" << vol_name;
       }
     }
     if ( debug_processing ) cout << debug.str() << endl;
diff --git a/examples/CLICSiD/scripts/CLICSiDAClick.C b/examples/CLICSiD/scripts/CLICSiDAClick.C
index 9506748ecc063b2a290728b72ebd93e842e760aa..830687ece4041699c2ba3943a323fb9b4e9ebb6a 100644
--- a/examples/CLICSiD/scripts/CLICSiDAClick.C
+++ b/examples/CLICSiD/scripts/CLICSiDAClick.C
@@ -44,7 +44,6 @@ SensitiveSeq::handled_type* setupDetector(Geant4Kernel& kernel, const std::strin
 int setupG4_CINT(bool interactive)  {
   Geant4Kernel& kernel = Geant4Kernel::instance(Geometry::LCDD::getInstance());
   string install_dir = getenv("DD4hepINSTALL");
-  string ddg4_examples = install_dir+"/examples/DDG4/examples";
   Phase p;
 
   kernel.loadGeometry(("file:"+install_dir+"/examples/CLICSiD/compact/compact.xml").c_str());
diff --git a/examples/ClientTests/src/LheD_tracker_SiVertexBarrel_geo.cpp b/examples/ClientTests/src/LheD_tracker_SiVertexBarrel_geo.cpp
index 77b441b5cc57cbb32367d2eff67125f5d77830a9..49dd3747ab3d28c3ab5e3bc20928b1bdc4d7db15 100644
--- a/examples/ClientTests/src/LheD_tracker_SiVertexBarrel_geo.cpp
+++ b/examples/ClientTests/src/LheD_tracker_SiVertexBarrel_geo.cpp
@@ -18,10 +18,9 @@ using namespace DD4hep::Geometry;
  function to calculate path in a given theta
 **************************************************************/
 static double computeDpt( double ra, double rb, double theta ) {
-    double dp = 0.0;
     double dpt_sin = std::pow(ra * std::sin(theta), 2.0);
     double dpt_cos = std::pow(rb * std::cos(theta), 2.0);
-    dp = std::sqrt(dpt_sin + dpt_cos);
+    double dp = std::sqrt(dpt_sin + dpt_cos);
     return dp;
 }
 
@@ -153,14 +152,12 @@ static Ref_t create_detector(LCDD& lcdd, xml_h e, SensitiveDetector sens)  {
     double deltaTheta   = 0.0001;
     double numIntegrals = (thetaMax-thetaMin) / deltaTheta; 
     double cell         = 0.;
-    double dpt          = 0.;
 
     // integrate over the elipse to get the circumference
     for( int i=0; i < numIntegrals; i++ ) {
         if (i==0) theta = thetaMin;
         else theta += deltaTheta;
-        dpt = computeDpt( a, b, theta);
-        cell += dpt;
+        cell += computeDpt( a, b, theta);
     }
 
     // number of modules along semi-ellipse path
diff --git a/examples/ClientTests/src/SectorBarrelCalorimeter_geo.cpp b/examples/ClientTests/src/SectorBarrelCalorimeter_geo.cpp
index 11a7d2d1ecb79f0457760d5289328ba64854abab..7a19c864a54f90dd3231ce13d5d936dbdcecc303 100644
--- a/examples/ClientTests/src/SectorBarrelCalorimeter_geo.cpp
+++ b/examples/ClientTests/src/SectorBarrelCalorimeter_geo.cpp
@@ -51,12 +51,8 @@ static Ref_t create_detector(LCDD& lcdd, xml_h e, SensitiveDetector sens)  {
   //xml_comp_t  staves      = x_det.staves();
   xml_dim_t   dim         = x_det.dimensions();
   string      det_name    = x_det.nameStr();
-  string      det_type    = x_det.typeStr();
   Material    air         = lcdd.air();
   double      totalThickness = layering.totalThickness();
-  int         totalRepeat = 0;
-  int         totalSlices = 0;
-  //double      gap         = xml_dim_t(x_det).gap();
   int         numSides    = dim.numsides();
   double      detZ        = dim.z();
   double      rmin        = dim.rmin();
@@ -64,23 +60,9 @@ static Ref_t create_detector(LCDD& lcdd, xml_h e, SensitiveDetector sens)  {
   DetElement  sdet(det_name,x_det.id());
   DetElement  stave("stave1",x_det.id());
   Volume      motherVol = lcdd.pickMotherVolume(sdet);
-
-  for(xml_coll_t c(x_det,_U(layer)); c; ++c)  {
-    xml_comp_t x_layer = c;
-    int repeat   = x_layer.repeat();
-    totalRepeat += repeat;
-    totalSlices += x_layer.numChildren(_U(slice));
-  }
-
-//   PolyhedraRegular polyhedra(numSides,rmin,rmin+totalThickness,detZ);
-//   Volume           envelopeVol(det_name+"_envelope",polyhedra,air);
-//   Assembly           envelopeVol(det_name+"_envelope");
-
   PolyhedraRegular polyhedron(numSides,0.,rmin,detZ+10);
   Tube tube(0.,rmin+totalThickness,detZ/2,0,2*M_PI);
-  
-  SubtractionSolid sub(tube,polyhedron);
-  
+  SubtractionSolid sub(tube,polyhedron);  
   Volume           envelopeVol(det_name+"_envelope",sub,air);
 
   // Add the subdetector envelope to the structure.