diff --git a/src/transport/LiquidTranInteraction.cpp b/src/transport/LiquidTranInteraction.cpp
index d788ad14d..593910f25 100644
--- a/src/transport/LiquidTranInteraction.cpp
+++ b/src/transport/LiquidTranInteraction.cpp
@@ -13,18 +13,6 @@ using namespace std;
 
 namespace Cantera
 {
-/**
- * Exception thrown if an error is encountered while reading the
- * transport database.
- */
-class LTPError : public CanteraError
-{
-public:
-    explicit LTPError(const std::string& msg)
-        : CanteraError("LTPspecies",
-                       "error parsing transport data: "
-                       + msg + "\n") {}
-};
 
 /**
  * Exception thrown if an error is encountered while reading the
diff --git a/src/transport/LiquidTransportParams.cpp b/src/transport/LiquidTransportParams.cpp
index 23068c1bc..68edad7fe 100644
--- a/src/transport/LiquidTransportParams.cpp
+++ b/src/transport/LiquidTransportParams.cpp
@@ -8,14 +8,6 @@ using namespace std;
 
 namespace Cantera
 {
-//! Exception thrown if an error is encountered while reading the transport database.
-class LTPmodelError : public CanteraError
-{
-public:
-    explicit LTPmodelError(const std::string& msg) :
-        CanteraError("LTPspecies", "error parsing transport data: " + msg + "\n") {
-    }
-};
 
 LiquidTransportParams::LiquidTransportParams() :
     viscosity(0),