diff --git a/covariance/covarianceBase.cpp b/covariance/covarianceBase.cpp
index d0b7adb12..633f5d9a2 100644
--- a/covariance/covarianceBase.cpp
+++ b/covariance/covarianceBase.cpp
@@ -61,7 +61,7 @@ covarianceBase::~covarianceBase(){
   delete[] throwMatrixCholDecomp;
   
   const int nThreads = MaCh3Utils::GetNThreads();
-  for (int iThread = 0;iThread < nThreads; iThread++)  delete random_number[iThread];
+  for (int iThread = 0;iThread < nThreads; iThread++) delete random_number[iThread];
   delete[] random_number;
   if (throwMatrix != nullptr) delete throwMatrix;
 }
@@ -133,12 +133,10 @@ void covarianceBase::init(std::string name, std::string file) {
   for (int iThread = 0; iThread < nThreads; iThread++) {
     random_number[iThread] = new TRandom3(0);
   }
-
   // Not using adaptive by default
   use_adaptive = false;
   // Set the covariance matrix
-  size = CovMat->GetNrows();
-  _fNumPar = size;
+  _fNumPar = CovMat->GetNrows();
     
   InvertCovMatrix = new double*[_fNumPar]();
   throwMatrixCholDecomp = new double*[_fNumPar]();
@@ -196,13 +194,10 @@ void covarianceBase::init(const std::vector<std::string>& YAMLFile) {
   for (int iThread = 0; iThread < nThreads; iThread++) {
     random_number[iThread] = new TRandom3(0);
   }
-
   PrintLength = 35;
 
   // Set the covariance matrix
   _fNumPar = _fYAMLDoc["Systematics"].size();
-  size = _fNumPar;
-
   use_adaptive = false;
 
   InvertCovMatrix = new double*[_fNumPar]();
@@ -321,8 +316,7 @@ void covarianceBase::init(const std::vector<std::string>& YAMLFile) {
 // ********************************************
 void covarianceBase::init(TMatrixDSym* covMat) {
 // ********************************************
-  size = covMat->GetNrows();
-  _fNumPar = size;
+  _fNumPar = covMat->GetNrows();
   InvertCovMatrix = new double*[_fNumPar]();
   throwMatrixCholDecomp = new double*[_fNumPar]();
   // Set the defaults to true
diff --git a/covariance/covarianceBase.h b/covariance/covarianceBase.h
index 73ec35236..09634ea84 100644
--- a/covariance/covarianceBase.h
+++ b/covariance/covarianceBase.h
@@ -285,8 +285,6 @@ class covarianceBase {
     //KS: Transfer to normal base
     TransferToParam();
   }
-  /// @brief Get number of params in normal Base, if you want something which will work with PCA as well please use getNpars()
-  inline int getSize() { return _fNumPar; }
   /// @brief Get number of params which will be different depending if using Eigen decomposition or not
   inline int getNpars() {
     if (pca) return _fNumParPCA;
@@ -343,7 +341,7 @@ class covarianceBase {
 
   /// @brief Getter to return a copy of the YAML node
   YAML::Node GetConfig() const { return _fYAMLDoc; }
-protected:
+ protected:
   /// @brief Initialisation of the class using matrix from root file
   void init(std::string name, std::string file);
   /// @brief Initialisation of the class using config
@@ -387,8 +385,6 @@ class covarianceBase {
   /// The input root file we read in
   const std::string inputFile;
 
-  /// Total number of params, deprecated, please don't use it
-  int size;
   /// Name of cov matrix
   std::string matrixName;
   /// The covariance matrix