diff --git a/Cantera/src/GeneralSpeciesThermo.cpp b/Cantera/src/GeneralSpeciesThermo.cpp
index 15ba9da95..0d6bc4958 100644
--- a/Cantera/src/GeneralSpeciesThermo.cpp
+++ b/Cantera/src/GeneralSpeciesThermo.cpp
@@ -55,7 +55,7 @@ namespace Cantera {
 	for (int k = 0; k < m_kk; k++) {
 	  SpeciesThermoInterpType *sp = m_sp[k];
 	  if (sp) {
-	    delete (sp);
+	    delete sp;
 	    m_sp[k] = 0;
 	  }
 	}
diff --git a/Cantera/src/SpeciesThermoInterpType.h b/Cantera/src/SpeciesThermoInterpType.h
index 375caca65..eff84b356 100644
--- a/Cantera/src/SpeciesThermoInterpType.h
+++ b/Cantera/src/SpeciesThermoInterpType.h
@@ -19,6 +19,9 @@ namespace Cantera {
 
     public:
     
+        SpeciesThermoInterpType() {};
+        virtual ~SpeciesThermoInterpType() {};
+
         virtual SpeciesThermoInterpType * 
           duplMyselfAsSpeciesThermoInterpType() const = 0;
        
diff --git a/Cantera/src/thermo/SingleSpeciesTP.cpp b/Cantera/src/thermo/SingleSpeciesTP.cpp
index 6c3072474..9b7d098cb 100644
--- a/Cantera/src/thermo/SingleSpeciesTP.cpp
+++ b/Cantera/src/thermo/SingleSpeciesTP.cpp
@@ -331,7 +331,7 @@ namespace Cantera {
       er[0] = m_s0_R[0];
     }
 
-  /**
+    /**
      * Get the nondimensional Gibbs functions for the standard
      * state of the species at the current T and reference pressure
      * for the species.
@@ -341,7 +341,6 @@ namespace Cantera {
 	cpr[0] = m_cp0_R[0];
     }
 
-
     /*
      * ------------------ Setting the State ------------------------
      */