diff --git a/include/cantera/thermo/AdsorbateThermo.h b/include/cantera/thermo/AdsorbateThermo.h
index 31edaf83c..f2e5f4a77 100644
--- a/include/cantera/thermo/AdsorbateThermo.h
+++ b/include/cantera/thermo/AdsorbateThermo.h
@@ -30,7 +30,11 @@ class Adsorbate : public SpeciesThermoInterpType
 {
 public:
     //! Empty constructor
-    Adsorbate() {}
+    //! @deprecated Default constructor to be removed after Cantera 2.3.
+    Adsorbate() {
+        warn_deprecated("Adsorbate::Adsorbate()",
+            "Default constructor to be removed after Cantera 2.3.");
+    }
 
     //! Full Constructor
     /*!
diff --git a/include/cantera/thermo/ConstCpPoly.h b/include/cantera/thermo/ConstCpPoly.h
index 72dd23c71..55bc2f776 100644
--- a/include/cantera/thermo/ConstCpPoly.h
+++ b/include/cantera/thermo/ConstCpPoly.h
@@ -42,6 +42,7 @@ class ConstCpPoly: public SpeciesThermoInterpType
 {
 public:
     //! empty constructor
+    //! @deprecated To be removed after Cantera 2.3.
     ConstCpPoly();
 
     //! Normal constructor
@@ -84,6 +85,9 @@ public:
                           doublereal& tlow, doublereal& thigh,
                           doublereal& pref,
                           doublereal* const coeffs) const;
+
+    //! @deprecated To be removed after Cantera 2.3. Use
+    //!     SpeciesThermo::modifySpecies instead.
     virtual void modifyParameters(doublereal* coeffs);
 
     virtual doublereal reportHf298(doublereal* const h298 = 0) const;
diff --git a/include/cantera/thermo/Mu0Poly.h b/include/cantera/thermo/Mu0Poly.h
index 7f9a2e24e..889422ee4 100644
--- a/include/cantera/thermo/Mu0Poly.h
+++ b/include/cantera/thermo/Mu0Poly.h
@@ -71,6 +71,7 @@ class Mu0Poly: public SpeciesThermoInterpType
 {
 public:
     //! Constructor
+    //! @deprecated Default constructor to be removed after Cantera 2.3.
     Mu0Poly();
 
     //! Normal constructor
@@ -124,6 +125,8 @@ public:
                                   doublereal& pref,
                                   doublereal* const coeffs) const;
 
+    //! @deprecated To be removed after Cantera 2.3. Use
+    //!     SpeciesThermo::modifySpecies instead.
     virtual void modifyParameters(doublereal* coeffs);
 
 protected:
diff --git a/include/cantera/thermo/Nasa9Poly1.h b/include/cantera/thermo/Nasa9Poly1.h
index 85ee184c1..c414648b9 100644
--- a/include/cantera/thermo/Nasa9Poly1.h
+++ b/include/cantera/thermo/Nasa9Poly1.h
@@ -64,6 +64,7 @@ class Nasa9Poly1 : public SpeciesThermoInterpType
 {
 public:
     //! Empty constructor
+    //! @deprecated Default constructor to be removed after Cantera 2.3.
     Nasa9Poly1();
 
     //! Normal constructor
@@ -126,6 +127,8 @@ public:
                                   doublereal& pref,
                                   doublereal* const coeffs) const;
 
+    //! @deprecated To be removed after Cantera 2.3. Use
+    //!     SpeciesThermo::modifySpecies instead.
     virtual void modifyParameters(doublereal* coeffs);
 
 protected:
diff --git a/include/cantera/thermo/Nasa9PolyMultiTempRegion.h b/include/cantera/thermo/Nasa9PolyMultiTempRegion.h
index e7e900fe7..6b33b31dc 100644
--- a/include/cantera/thermo/Nasa9PolyMultiTempRegion.h
+++ b/include/cantera/thermo/Nasa9PolyMultiTempRegion.h
@@ -35,6 +35,7 @@ class Nasa9PolyMultiTempRegion : public SpeciesThermoInterpType
 {
 public:
     //! Empty constructor
+    //! @deprecated Default constructor to be removed after Cantera 2.3.
     Nasa9PolyMultiTempRegion();
 
     //! Constructor used in templated instantiations
@@ -95,6 +96,8 @@ public:
                                   doublereal& pref,
                                   doublereal* const coeffs) const;
 
+    //! @deprecated To be removed after Cantera 2.3. Use
+    //!     SpeciesThermo::modifySpecies instead.
     virtual void modifyParameters(doublereal* coeffs);
 
 protected:
diff --git a/include/cantera/thermo/NasaPoly1.h b/include/cantera/thermo/NasaPoly1.h
index 39986e4b4..3f3f37314 100644
--- a/include/cantera/thermo/NasaPoly1.h
+++ b/include/cantera/thermo/NasaPoly1.h
@@ -44,8 +44,12 @@ class NasaPoly1 : public SpeciesThermoInterpType
 {
 public:
     //! Empty constructor
+    //! @deprecated Default constructor to be removed after Cantera 2.3.
     NasaPoly1()
-        : m_coeff(7, 0.0) {}
+        : m_coeff(7, 0.0) {
+        warn_deprecated("NasaPoly1::NasaPoly1()",
+            "Default constructor to be removed after Cantera 2.3.");
+        }
 
     //! Normal constructor
     /*!
@@ -134,7 +138,11 @@ public:
         std::copy(m_coeff.begin(), m_coeff.end(), coeffs);
     }
 
+    //! @deprecated To be removed after Cantera 2.3. Use
+    //!     SpeciesThermo::modifySpecies instead.
     virtual void modifyParameters(doublereal* coeffs) {
+        warn_deprecated("NasaPoly1::modifyParameters", "To be removed after "
+            "Cantera 2.3. Use SpeciesThermo::modifySpecies instead.");
         std::copy(coeffs, coeffs+7, m_coeff.begin());
     }
 
diff --git a/include/cantera/thermo/NasaPoly2.h b/include/cantera/thermo/NasaPoly2.h
index 0b175f2a5..9339134dd 100644
--- a/include/cantera/thermo/NasaPoly2.h
+++ b/include/cantera/thermo/NasaPoly2.h
@@ -48,9 +48,12 @@ class NasaPoly2 : public SpeciesThermoInterpType
 {
 public:
     //! Empty constructor
+    //! @deprecated Default constructor to be removed after Cantera 2.3.
     NasaPoly2()
         : m_midT(0.0),
           m_coeff(15, 0.0) {
+        warn_deprecated("NasaPoly2::NasaPoly2()",
+            "Default constructor to be removed after Cantera 2.3.");
     }
 
     //! Full Constructor
diff --git a/include/cantera/thermo/ShomatePoly.h b/include/cantera/thermo/ShomatePoly.h
index 565df109f..86c5c8103 100644
--- a/include/cantera/thermo/ShomatePoly.h
+++ b/include/cantera/thermo/ShomatePoly.h
@@ -13,7 +13,6 @@
 #define CT_SHOMATEPOLY1_H
 
 #include "cantera/thermo/SpeciesThermoInterpType.h"
-#include "cantera/base/ctexceptions.h"
 
 namespace Cantera
 {
@@ -57,7 +56,11 @@ class ShomatePoly : public SpeciesThermoInterpType
 {
 public:
     //! Empty constructor
-    ShomatePoly() {}
+    //! @deprecated Default constructor to be removed after Cantera 2.3.
+    ShomatePoly() {
+        warn_deprecated("ShomatePoly::ShomatePoly()",
+            "Default constructor to be removed after Cantera 2.3.");
+    }
 
     //! Normal constructor
     /*!
@@ -151,7 +154,11 @@ public:
         }
     }
 
+    //! @deprecated To be removed after Cantera 2.3. Use
+    //!     SpeciesThermo::modifySpecies instead.
     virtual void modifyParameters(doublereal* coeffs) {
+        warn_deprecated("ShomatePoly::modifyParameters", "To be removed after "
+            "Cantera 2.3. Use SpeciesThermo::modifySpecies instead.");
         for (size_t i = 0; i < 7; i++) {
             m_coeff[i] = coeffs[i] * 1000 / GasConstant;
         }
@@ -224,9 +231,12 @@ class ShomatePoly2 : public SpeciesThermoInterpType
 {
 public:
     //! Empty constructor
+    //! @deprecated Default constructor to be removed after Cantera 2.3.
     ShomatePoly2()
         : m_midT(0.0)
     {
+        warn_deprecated("ShomatePoly2::ShomatePoly2()",
+            "Default constructor to be removed after Cantera 2.3.");
         m_coeff.resize(15);
     }
 
@@ -305,8 +315,12 @@ public:
      *
      * @param coeffs   Vector of coefficients used to set the
      *                 parameters for the standard state.
+     * @deprecated To be removed after Cantera 2.3. Use
+     *     SpeciesThermo::modifySpecies instead.
      */
     virtual void modifyParameters(doublereal* coeffs) {
+        warn_deprecated("ShomatePoly2::modifyParameters", "To be removed after "
+            "Cantera 2.3. Use SpeciesThermo::modifySpecies instead.");
         std::copy(coeffs, coeffs + 15, m_coeff.begin());
         m_midT = coeffs[0];
         msp_low = ShomatePoly(m_lowT, m_midT, m_Pref, coeffs+1);
diff --git a/include/cantera/thermo/SpeciesThermoInterpType.h b/include/cantera/thermo/SpeciesThermoInterpType.h
index 9feaace80..afa18ae8a 100644
--- a/include/cantera/thermo/SpeciesThermoInterpType.h
+++ b/include/cantera/thermo/SpeciesThermoInterpType.h
@@ -14,6 +14,7 @@
 #include "cantera/base/ct_defs.h"
 #include "speciesThermoTypes.h"
 #include "cantera/base/ctexceptions.h"
+#include "cantera/base/global.h"
 
 namespace Cantera
 {
@@ -248,8 +249,14 @@ public:
     /*!
      * @param coeffs   Vector of coefficients used to set the parameters for the
      *                 standard state.
+     * @deprecated To be removed after Cantera 2.3. Use
+     *     SpeciesThermo::modifySpecies instead.
      */
-    virtual void modifyParameters(doublereal* coeffs) {}
+    virtual void modifyParameters(doublereal* coeffs) {
+        warn_deprecated("SpeciesThermoInterpType::modifyParameters", "To be "
+            "removed after Cantera 2.3. Use SpeciesThermo::modifySpecies "
+            "instead.");
+    }
 
     //! Report the 298 K Heat of Formation of the standard state of one species
     //! (J kmol-1)
@@ -314,6 +321,7 @@ class STITbyPDSS : public SpeciesThermoInterpType
 {
 public:
     //! Constructor
+    //! @deprecated Default constructor to be removed after Cantera 2.3.
     STITbyPDSS();
 
     //! Main Constructor
@@ -365,7 +373,12 @@ public:
                                   doublereal& refPressure,
                                   doublereal* const coeffs) const;
 
-    virtual void modifyParameters(doublereal* coeffs) {}
+    //! @deprecated To be removed after Cantera 2.3. Use
+    //!     SpeciesThermo::modifySpecies instead.
+    virtual void modifyParameters(doublereal* coeffs) {
+        warn_deprecated("STITbyPDSS::modifyParameters", "To be removed after "
+            "Cantera 2.3. Use SpeciesThermo::modifySpecies instead.");
+    }
 
 private:
     //! Pointer to the Variable pressure standard state manager that owns the
diff --git a/src/thermo/ConstCpPoly.cpp b/src/thermo/ConstCpPoly.cpp
index a2dc6252d..d54735ba6 100644
--- a/src/thermo/ConstCpPoly.cpp
+++ b/src/thermo/ConstCpPoly.cpp
@@ -17,6 +17,8 @@ ConstCpPoly::ConstCpPoly()
        m_s0_R(0.0),
        m_logt0(0.0)
 {
+    warn_deprecated("ConstCpPoly::ConstCpPoly()",
+        "Default constructor to be removed after Cantera 2.3.");
 }
 
 ConstCpPoly::ConstCpPoly(double tlow, double thigh, double pref,
@@ -80,6 +82,8 @@ void ConstCpPoly::reportParameters(size_t& n, int& type,
 
 void ConstCpPoly::modifyParameters(doublereal* coeffs)
 {
+    warn_deprecated("ConstCpPoly::modifyParameters", "To be removed after "
+        "Cantera 2.3. Use SpeciesThermo::modifySpecies instead.");
     m_t0 = coeffs[0];
     m_h0_R = coeffs[1] / GasConstant;
     m_s0_R = coeffs[2] / GasConstant;
diff --git a/src/thermo/Mu0Poly.cpp b/src/thermo/Mu0Poly.cpp
index 38a73141f..0072f8934 100644
--- a/src/thermo/Mu0Poly.cpp
+++ b/src/thermo/Mu0Poly.cpp
@@ -17,6 +17,8 @@ namespace Cantera
 Mu0Poly::Mu0Poly() : m_numIntervals(0),
     m_H298(0.0)
 {
+    warn_deprecated("Mu0Poly::Mu0Poly()",
+        "Default constructor to be removed after Cantera 2.3.");
 }
 
 Mu0Poly::Mu0Poly(double tlow, double thigh, double pref, const double* coeffs) :
@@ -81,6 +83,8 @@ void Mu0Poly::reportParameters(size_t& n, int& type,
 
 void Mu0Poly::modifyParameters(doublereal* coeffs)
 {
+    warn_deprecated("Mu0Poly::modifyParameters", "To be removed after "
+        "Cantera 2.3. Use SpeciesThermo::modifySpecies instead.");
     processCoeffs(coeffs);
 }
 
diff --git a/src/thermo/Nasa9Poly1.cpp b/src/thermo/Nasa9Poly1.cpp
index 918fbc136..e6762433d 100644
--- a/src/thermo/Nasa9Poly1.cpp
+++ b/src/thermo/Nasa9Poly1.cpp
@@ -17,6 +17,8 @@ namespace Cantera
 Nasa9Poly1::Nasa9Poly1()
     : m_coeff(9, 0.0)
 {
+    warn_deprecated("Nasa9Poly1::Nasa9Poly1()",
+        "Default constructor to be removed after Cantera 2.3.");
     m_Pref = 1.0e5;
 }
 
@@ -102,6 +104,8 @@ void Nasa9Poly1::reportParameters(size_t& n, int& type,
 
 void Nasa9Poly1::modifyParameters(doublereal* coeffs)
 {
+    warn_deprecated("Nasa9Poly1::modifyParameters", "To be removed after "
+        "Cantera 2.3. Use SpeciesThermo::modifySpecies instead.");
     for (int i = 0; i < 9; i++) {
         m_coeff[i] = coeffs[i];
     }
diff --git a/src/thermo/Nasa9PolyMultiTempRegion.cpp b/src/thermo/Nasa9PolyMultiTempRegion.cpp
index 088b66412..911824f7a 100644
--- a/src/thermo/Nasa9PolyMultiTempRegion.cpp
+++ b/src/thermo/Nasa9PolyMultiTempRegion.cpp
@@ -22,6 +22,8 @@ namespace Cantera
 Nasa9PolyMultiTempRegion::Nasa9PolyMultiTempRegion() :
     m_currRegion(0)
 {
+    warn_deprecated("Nasa9PolyMultiTempRegion::Nasa9PolyMultiTempRegion()",
+        "Default constructor to be removed after Cantera 2.3.");
 }
 
 Nasa9PolyMultiTempRegion::Nasa9PolyMultiTempRegion(vector<Nasa9Poly1*>& regionPts) :
@@ -167,6 +169,8 @@ void Nasa9PolyMultiTempRegion::reportParameters(size_t& n, int& type,
 
 void Nasa9PolyMultiTempRegion::modifyParameters(doublereal* coeffs)
 {
+    warn_deprecated("Nasa9PolyMultiTempRegion::modifyParameters", "To be "
+        "removed after Cantera 2.3. Use SpeciesThermo::modifySpecies instead.");
     int index = 3;
     for (size_t iReg = 0; iReg < m_regionPts.size(); iReg++) {
         m_regionPts[iReg]->modifyParameters(coeffs + index);
diff --git a/src/thermo/SpeciesThermoInterpType.cpp b/src/thermo/SpeciesThermoInterpType.cpp
index 0080538d7..50ca29e8d 100644
--- a/src/thermo/SpeciesThermoInterpType.cpp
+++ b/src/thermo/SpeciesThermoInterpType.cpp
@@ -57,6 +57,8 @@ void SpeciesThermoInterpType::modifyOneHf298(const size_t k,
 
 STITbyPDSS::STITbyPDSS()
 {
+    warn_deprecated("STITbyPDSS::STITbyPDSS()",
+        "Default constructor to be removed after Cantera 2.3.");
 }
 
 STITbyPDSS::STITbyPDSS(VPSSMgr* vpssmgr_ptr, PDSS* PDSS_ptr) :
diff --git a/test/thermo/nasapoly.cpp b/test/thermo/nasapoly.cpp
index 2154eb67d..e71b9e726 100644
--- a/test/thermo/nasapoly.cpp
+++ b/test/thermo/nasapoly.cpp
@@ -66,7 +66,8 @@ TEST_F(NasaPoly1Test, Copy)
 
 TEST_F(NasaPoly1Test, Assignment)
 {
-    NasaPoly1 q;
+    double c[] = {1, 2, 3, 4 ,5 ,6, 7};
+    NasaPoly1 q(0, 0, 0, c);
     q = poly;
     testEquivalent(poly, q);
 }
diff --git a/test/thermo/thermoParameterizations.cpp b/test/thermo/thermoParameterizations.cpp
index 2e86e89b6..a93c2add5 100644
--- a/test/thermo/thermoParameterizations.cpp
+++ b/test/thermo/thermoParameterizations.cpp
@@ -104,20 +104,6 @@ TEST_F(SpeciesThermoInterpTypeTest, install_shomate)
     EXPECT_DOUBLE_EQ(p2.cp_mass(), p.cp_mass());
 }
 
-TEST(Shomate, modifyParameters)
-{
-    ShomatePoly2 S1(200, 6000, 101325, co2_shomate_coeffs);
-    ShomatePoly2 S2(200, 6000, 101325, co_shomate_coeffs);
-
-    S2.modifyParameters((double*) co2_shomate_coeffs);
-    double cp1, cp2, h1, h2, s1, s2;
-    S1.updatePropertiesTemp(500, &cp1, &h1, &s1);
-    S2.updatePropertiesTemp(500, &cp2, &h2, &s2);
-    EXPECT_DOUBLE_EQ(cp1, cp2);
-    EXPECT_DOUBLE_EQ(h1, h2);
-    EXPECT_DOUBLE_EQ(s1, s2);
-}
-
 TEST(Shomate, modifyOneHf298)
 {
     ShomatePoly2 S(200, 6000, 101325, co2_shomate_coeffs);