diff --git a/include/cantera/transport/AqueousTransport.h b/include/cantera/transport/AqueousTransport.h
index 18d1f8aa1..644aa4f3f 100644
--- a/include/cantera/transport/AqueousTransport.h
+++ b/include/cantera/transport/AqueousTransport.h
@@ -373,15 +373,7 @@ public:
     //! Solve the stefan_maxell equations for the diffusive fluxes.
     void stefan_maxwell_solve();
 
-
-
 private:
-
-
-
-    //! Number of species in the mixture
-    size_t m_nsp;
-
     //! Minimum temperature applicable to the transport property eval
     doublereal m_tmin;
 
diff --git a/include/cantera/transport/DustyGasTransport.h b/include/cantera/transport/DustyGasTransport.h
index 488db1bfd..1f9128331 100644
--- a/include/cantera/transport/DustyGasTransport.h
+++ b/include/cantera/transport/DustyGasTransport.h
@@ -285,10 +285,6 @@ private:
      */
     void eval_H_matrix();
 
-
-    //! Number of species in the gas phase
-    size_t m_nsp;
-
     //! Local copy of the species molecular weights
     /*!
      *  units kg /kmol
diff --git a/include/cantera/transport/LiquidTransport.h b/include/cantera/transport/LiquidTransport.h
index 774a93481..0f531be51 100644
--- a/include/cantera/transport/LiquidTransport.h
+++ b/include/cantera/transport/LiquidTransport.h
@@ -880,10 +880,6 @@ protected:
 
 
 private:
-
-    //! Number of species in the phase
-    size_t m_nsp;
-
     //! Number of species squared
     size_t m_nsp2;
 
diff --git a/include/cantera/transport/MixTransport.h b/include/cantera/transport/MixTransport.h
index 61d09dfa2..be43a808d 100644
--- a/include/cantera/transport/MixTransport.h
+++ b/include/cantera/transport/MixTransport.h
@@ -346,10 +346,6 @@ private:
 
     // --------- Member Data -------------
 private:
-
-    //! Number of species in the phase
-    size_t m_nsp;
-
     //! Minimum value of the temperature that this transport parameterization is valid
     doublereal m_tmin;
 
diff --git a/include/cantera/transport/MultiTransport.h b/include/cantera/transport/MultiTransport.h
index 61640d3f5..d726364b5 100644
--- a/include/cantera/transport/MultiTransport.h
+++ b/include/cantera/transport/MultiTransport.h
@@ -266,8 +266,6 @@ private:
     doublereal m_visc_tlast;
     doublereal m_thermal_tlast;
 
-    //! Number of species in the phase
-    size_t m_nsp;
     doublereal m_tmin;
     doublereal m_tmax;
     vector_fp  m_mw;
diff --git a/include/cantera/transport/SimpleTransport.h b/include/cantera/transport/SimpleTransport.h
index b7cc663d7..9aa0b14d6 100644
--- a/include/cantera/transport/SimpleTransport.h
+++ b/include/cantera/transport/SimpleTransport.h
@@ -594,10 +594,6 @@ protected:
 
 
 private:
-
-    //! Number of species in the mixture
-    size_t m_nsp;
-
     //! Temperature dependence type
     /*!
      *     The following coefficients are allowed to have simple
diff --git a/include/cantera/transport/TransportBase.h b/include/cantera/transport/TransportBase.h
index 8c5e2cd43..7cbd1b5cd 100644
--- a/include/cantera/transport/TransportBase.h
+++ b/include/cantera/transport/TransportBase.h
@@ -841,7 +841,7 @@ protected:
     bool      m_ready;
 
     //! Number of species
-    size_t    m_nmin;
+    size_t m_nsp;
 
     //! Number of dimensions used in flux expresions
     size_t m_nDim;
diff --git a/src/transport/AqueousTransport.cpp b/src/transport/AqueousTransport.cpp
index 37c58bf0a..534d94f62 100644
--- a/src/transport/AqueousTransport.cpp
+++ b/src/transport/AqueousTransport.cpp
@@ -30,7 +30,6 @@ namespace Cantera
 
 //====================================================================================================================
 AqueousTransport::AqueousTransport() :
-    m_nsp(0),
     m_tmin(-1.0),
     m_tmax(100000.),
     m_iStateMF(-1),
diff --git a/src/transport/DustyGasTransport.cpp b/src/transport/DustyGasTransport.cpp
index 508b4214b..f892bc364 100644
--- a/src/transport/DustyGasTransport.cpp
+++ b/src/transport/DustyGasTransport.cpp
@@ -28,7 +28,6 @@ namespace Cantera
 //====================================================================================================================
 DustyGasTransport::DustyGasTransport(thermo_t* thermo) :
     Transport(thermo),
-    m_nsp(0),
     m_mw(0),
     m_dk(0),
     m_temp(-1.0),
@@ -49,7 +48,6 @@ DustyGasTransport::DustyGasTransport(thermo_t* thermo) :
 //====================================================================================================================
 DustyGasTransport::DustyGasTransport(const DustyGasTransport& right) :
     Transport(),
-    m_nsp(0),
     m_mw(0),
     m_dk(0),
     m_temp(-1.0),
@@ -83,7 +81,6 @@ DustyGasTransport& DustyGasTransport::operator=(const  DustyGasTransport& right)
     }
     Transport::operator=(right);
 
-    m_nsp = right.m_nsp;
     m_mw = right.m_mw;
     m_d = right.m_d;
     m_x = right.m_x;
@@ -182,7 +179,7 @@ void DustyGasTransport::initialize(ThermoPhase* phase, Transport* gastr)
 
     // constant mixture attributes
     m_thermo = phase;
-    m_nsp   = m_thermo->nSpecies();
+    m_nsp = m_thermo->nSpecies();
     if (m_gastran != gastr) {
         if (m_gastran) {
             delete m_gastran;
diff --git a/src/transport/LiquidTransport.cpp b/src/transport/LiquidTransport.cpp
index a599b8b93..14ca91e33 100644
--- a/src/transport/LiquidTransport.cpp
+++ b/src/transport/LiquidTransport.cpp
@@ -29,7 +29,6 @@ namespace Cantera
 
 LiquidTransport::LiquidTransport(thermo_t* thermo, int ndim) :
     Transport(thermo, ndim),
-    m_nsp(0),
     m_nsp2(0),
     m_tmin(-1.0),
     m_tmax(100000.),
@@ -77,7 +76,6 @@ LiquidTransport::LiquidTransport(thermo_t* thermo, int ndim) :
 
 LiquidTransport::LiquidTransport(const LiquidTransport& right) :
     Transport(right.m_thermo, right.m_nDim),
-    m_nsp(0),
     m_nsp2(0),
     m_tmin(-1.0),
     m_tmax(100000.),
@@ -133,8 +131,7 @@ LiquidTransport& LiquidTransport::operator=(const LiquidTransport& right)
         return *this;
     }
     Transport::operator=(right);
-    m_nsp                                 = right.m_nsp;
-    m_nsp2                             = right.m_nsp2;
+    m_nsp2                                = right.m_nsp2;
     m_tmin                                = right.m_tmin;
     m_tmax                                = right.m_tmax;
     m_mw                                  = right.m_mw;
diff --git a/src/transport/MixTransport.cpp b/src/transport/MixTransport.cpp
index dc8be3f29..d114b242b 100644
--- a/src/transport/MixTransport.cpp
+++ b/src/transport/MixTransport.cpp
@@ -29,7 +29,6 @@ namespace Cantera
 
 //====================================================================================================================
 MixTransport::MixTransport() :
-    m_nsp(0),
     m_tmin(-1.0),
     m_tmax(100000.),
     m_mw(0),
@@ -73,7 +72,6 @@ MixTransport::MixTransport() :
 }
 //====================================================================================================================
 MixTransport::MixTransport(const MixTransport& right) :
-    m_nsp(0),
     m_tmin(-1.0),
     m_tmax(100000.),
     m_mw(0),
@@ -131,7 +129,6 @@ MixTransport&  MixTransport::operator=(const MixTransport& right)
     }
     Transport::operator=(right);
 
-    m_nsp = right.m_nsp;
     m_tmin = right.m_tmin;
     m_tmax = right.m_tmax;
     m_mw =right.m_mw;
diff --git a/src/transport/SimpleTransport.cpp b/src/transport/SimpleTransport.cpp
index 77f169cc9..ddfc4cade 100644
--- a/src/transport/SimpleTransport.cpp
+++ b/src/transport/SimpleTransport.cpp
@@ -32,7 +32,6 @@ namespace Cantera
 //================================================================================================
 SimpleTransport::SimpleTransport(thermo_t* thermo, int ndim) :
     Transport(thermo, ndim),
-    m_nsp(0),
     tempDepType_(0),
     compositionDepType_(0),
     useHydroRadius_(false),
@@ -57,7 +56,6 @@ SimpleTransport::SimpleTransport(thermo_t* thermo, int ndim) :
 //================================================================================================
 SimpleTransport::SimpleTransport(const SimpleTransport& right) :
     Transport(),
-    m_nsp(0),
     tempDepType_(0),
     compositionDepType_(0),
     useHydroRadius_(false),
@@ -91,7 +89,6 @@ SimpleTransport& SimpleTransport::operator=(const SimpleTransport& right)
     }
     Transport::operator=(right);
 
-    m_nsp                                 = right.m_nsp;
     tempDepType_                          = right.tempDepType_;
     compositionDepType_                   = right.compositionDepType_;
     useHydroRadius_                       = right.useHydroRadius_;
diff --git a/src/transport/TransportBase.cpp b/src/transport/TransportBase.cpp
index 783bf4a4c..3683a59d2 100644
--- a/src/transport/TransportBase.cpp
+++ b/src/transport/TransportBase.cpp
@@ -32,7 +32,7 @@ namespace Cantera
 Transport::Transport(thermo_t* thermo, size_t ndim) :
     m_thermo(thermo),
     m_ready(false),
-    m_nmin(0),
+    m_nsp(0),
     m_nDim(ndim),
     m_velocityBasis(VB_MASSAVG)
 {
@@ -42,7 +42,7 @@ Transport::Transport(const Transport& right)
 {
     m_thermo        = right.m_thermo;
     m_ready         = right.m_ready;
-    m_nmin          = right.m_nmin;
+    m_nsp          = right.m_nsp;
     m_nDim          = right.m_nDim;
     m_velocityBasis = right.m_velocityBasis;
 }
@@ -55,7 +55,7 @@ Transport& Transport::operator=(const Transport& right)
     }
     m_thermo        = right.m_thermo;
     m_ready         = right.m_ready;
-    m_nmin          = right.m_nmin;
+    m_nsp          = right.m_nsp;
     m_nDim          = right.m_nDim;
     m_velocityBasis = right.m_velocityBasis;
     return *this;
@@ -99,7 +99,7 @@ void Transport::setThermo(thermo_t& thermo)
 {
     if (!ready()) {
         m_thermo = &thermo;
-        m_nmin = m_thermo->nSpecies();
+        m_nsp = m_thermo->nSpecies();
     } else
         throw CanteraError("Transport::setThermo",
                            "the phase object cannot be changed after "