diff --git a/interface/HiggsCSandWidth.h b/interface/HiggsCSandWidth.h
index 27658eaf..e4b3b3cd 100644
--- a/interface/HiggsCSandWidth.h
+++ b/interface/HiggsCSandWidth.h
@@ -98,7 +98,7 @@ HiggsCSandWidth::HiggsCSandWidth()
   N_BR = 217;
   N_CS = 197;
 
-  ifstream file;
+  std::ifstream file;
  
   // Read Widths into memory
   FileLoc = std::string(getenv("CMSSW_BASE"))+std::string("/src/HiggsAnalysis/HiggsToTauTau/data/SM4/HiggsBR_7TeV_Official.txt"); //directory of input file
diff --git a/interface/HiggsCSandWidthSM4.h b/interface/HiggsCSandWidthSM4.h
index 1f49021b..de7620f2 100644
--- a/interface/HiggsCSandWidthSM4.h
+++ b/interface/HiggsCSandWidthSM4.h
@@ -121,7 +121,7 @@ HiggsCSandWidthSM4::HiggsCSandWidthSM4()
   N_CSE = 175;
   N_BR_gg = 6;
 
-  ifstream file;
+  std::ifstream file;
   double scratchHgg;
   // Read Widths into memory
   file.open((std::string(getenv("CMSSW_BASE"))+std::string("/src/HiggsAnalysis/HiggsToTauTau/data/SM4/Higgs_BR_SM4.txt")).c_str());
diff --git a/macros/compareThetaCombine.C b/macros/compareThetaCombine.C
index fca5eefb..f3296b41 100644
--- a/macros/compareThetaCombine.C
+++ b/macros/compareThetaCombine.C
@@ -383,7 +383,7 @@ void compareThetaCombine(const char* filename, const char* channelstr, double mi
 
   TGraph* theta_graph = new TGraph();
   int n=-1; // first entry is off
-  ifstream in ("theta/htt/nll.txt");
+  std::ifstream in ("theta/htt/nll.txt");
   while (in) {
     string line;
     getline (in, line);
diff --git a/macros/plotTanb.C b/macros/plotTanb.C
index 47ccce49..f31c271e 100644
--- a/macros/plotTanb.C
+++ b/macros/plotTanb.C
@@ -28,7 +28,7 @@ TH2D* higgsConstraint(const char* model, const char* type)
   for(double mass=masslow; mass<masshigh+1; mass=mass+massstep){
     std::string line;
     float tanb, mh, mA, mH, mHp;
-    ifstream higgs (TString::Format("HiggsAnalysis/HiggsToTauTau/data/Higgs125/%s/higgs_%d.dat", model, (int)mass)); 
+    std::ifstream higgs (TString::Format("HiggsAnalysis/HiggsToTauTau/data/Higgs125/%s/higgs_%d.dat", model, (int)mass)); 
     if(higgs.is_open()){
       while(higgs.good()){
 	getline(higgs,line);
diff --git a/src/PlotLimits.cc b/src/PlotLimits.cc
index 627065a9..c0a3b5c1 100644
--- a/src/PlotLimits.cc
+++ b/src/PlotLimits.cc
@@ -375,7 +375,7 @@ PlotLimits::higgsConstraint(const char* model, const char* type)
   for(double mass=masslow; mass<masshigh+1; mass=mass+massstep){
     std::string line;
     float tanb, mh, mA, mH, mHp;
-    ifstream higgs (TString::Format("HiggsAnalysis/HiggsToTauTau/data/Higgs125/%s/higgs_%d.dat", model, (int)mass)); 
+    std::ifstream higgs (TString::Format("HiggsAnalysis/HiggsToTauTau/data/Higgs125/%s/higgs_%d.dat", model, (int)mass)); 
     //std::cout << TString::Format("HiggsAnalysis/HiggsToTauTau/data/Higgs125/%s/higgs_%d.dat", model, (int)mass) << std::endl;
     if(higgs.is_open()){
       while(higgs.good()){
diff --git a/src/PrintLimits.cc b/src/PrintLimits.cc
index 995b131a..e4e4bacf 100644
--- a/src/PrintLimits.cc
+++ b/src/PrintLimits.cc
@@ -4,7 +4,7 @@
 PlotLimits::print(const char* filename, std::string& xval, std::string& yval, std::vector<TGraph*> contour, const char* type)
 {
   if(std::string(type) == std::string("tex")){
-    ofstream file;
+    std::ofstream file;
     file.open (std::string(filename).append(".tex").c_str());
     file
       << "   " << std::setw(15) << std::right << xval << " (pb) " 
@@ -23,7 +23,7 @@ PlotLimits::print(const char* filename, std::string& xval, std::string& yval, st
     }
   }
   if(std::string(type) == std::string("txt")){
-    ofstream file;
+    std::ofstream file;
     file.open (std::string(filename).append(".txt").c_str());
     file
       << "   " << std::setw(15) << std::right << xval 
@@ -45,7 +45,7 @@ void
 PlotLimits::print(const char* filename, std::string& xval, std::string& yval, TGraph* contour, const char* type)
 {
   if(std::string(type) == std::string("tex")){
-    ofstream file;
+    std::ofstream file;
     file.open (std::string(filename).append(".tex").c_str());
     file
       << "   " << std::setw(15) << std::right << xval << " (pb) " 
@@ -62,7 +62,7 @@ PlotLimits::print(const char* filename, std::string& xval, std::string& yval, TG
       }
   }
   if(std::string(type) == std::string("txt")){
-    ofstream file;
+    std::ofstream file;
     file.open (std::string(filename).append(".txt").c_str());
     file
       << "   " << std::setw(15) << std::right << xval 
@@ -82,7 +82,7 @@ void
 PlotLimits::print(const char* filename, TGraphAsymmErrors* outerBand, TGraphAsymmErrors* innerBand, TGraph* expected, TGraph* observed, const char* type)
 {
   if(std::string(type) == std::string("tex")){
-    ofstream file;
+    std::ofstream file;
     file.open (std::string(filename).append(".tex").c_str());
     file
       << "   " << std::setw(15) << std::right << "    $m_{\\mathrm H}$";
@@ -185,7 +185,7 @@ PlotLimits::print(const char* filename, TGraphAsymmErrors* outerBand, TGraphAsym
     file.close();
   }
   if(std::string(type) == std::string("txt")){
-    ofstream file;
+    std::ofstream file;
     file.open (std::string(filename).append(".txt").c_str());
     file
       << "#"
@@ -235,7 +235,7 @@ void
 PlotLimits::print(const char* filename, TGraph* expected, TGraph* observed, const char* type)
 {
   if(std::string(type) == std::string("tex")){
-    ofstream file;
+    std::ofstream file;
     file.open (std::string(filename).append(".tex").c_str());
     file
       << "   " << std::setw(15) << std::right << "    $m_{\\mathrm H}$"
@@ -267,7 +267,7 @@ PlotLimits::print(const char* filename, TGraph* expected, TGraph* observed, cons
     file.close();
   }
   if(std::string(type) == std::string("txt")){
-    ofstream file;
+    std::ofstream file;
     file.open (std::string(filename).append(".txt").c_str());
     file
       << "#"
@@ -301,7 +301,7 @@ PlotLimits::print(const char* filename, TGraph* expected, TGraph* observed, cons
 void
 PlotLimits::print(const char* filename, std::vector<TGraph*> minus2sigma, std::vector<TGraph*> minus1sigma, std::vector<TGraph*> expected, std::vector<TGraph*> plus1sigma, std::vector<TGraph*> plus2sigma, std::vector<TGraph*> observed, double tanbLow, double tanbHigh, float *mass, const char* type)
 {
-  ofstream file;
+  std::ofstream file;
   if(std::string(type) == std::string("tex")){
     file.open (std::string(filename).append(".tex").c_str());
     file