diff --git a/Cantera/src/misc.cpp b/Cantera/src/misc.cpp
index 6133500ac..277ab8231 100755
--- a/Cantera/src/misc.cpp
+++ b/Cantera/src/misc.cpp
@@ -98,7 +98,6 @@ namespace Cantera {
                     ff = string("./")+path.substr(islash+1,idot-islash - 1) + ".xml";
                 else
                     ff = string("./")+path.substr(0,idot) + ".xml";
-                writelog("ff = "+ff+"\n");
             }
             else {
                 ff = path;
@@ -301,15 +300,11 @@ namespace Cantera {
             inname = "";
             for (i = 0; i < nd; i++) {
                 inname = dirs[i] + "/" + name;
-                writelog("looking for file "+inname+"\n");
                 ifstream fin(inname.c_str());
                 if (fin) {
-                    writelog("found it\n");
                     fin.close();
                     return inname;
                 }
-                else
-                    writelog("not found.\n");
             }
             string msg;
             msg = "\nInput file " + name 
diff --git a/Cantera/src/oneD/Inlet1D.h b/Cantera/src/oneD/Inlet1D.h
index 2ddc70778..65adf25aa 100644
--- a/Cantera/src/oneD/Inlet1D.h
+++ b/Cantera/src/oneD/Inlet1D.h
@@ -112,7 +112,6 @@ namespace Cantera {
         Inlet1D() : Bdry1D(), m_V0(0.0), m_nsp(0), m_flow(0) {
             m_type = cInletType;
             m_xstr = "";
-                writelog("Inlet1D constructor\n");
         }
         virtual ~Inlet1D(){}
 
@@ -270,7 +269,6 @@ namespace Cantera {
 
         Surf1D() : Bdry1D() {
             m_type = cSurfType; 
-                writelog("Surf1D constructor\n");
         }
         virtual ~Surf1D(){}
 
diff --git a/Cantera/src/oneD/MultiJac.cpp b/Cantera/src/oneD/MultiJac.cpp
index ff8b3ad91..2687b3838 100644
--- a/Cantera/src/oneD/MultiJac.cpp
+++ b/Cantera/src/oneD/MultiJac.cpp
@@ -24,11 +24,6 @@ using namespace std;
 
 #include "MultiJac.h"
 
-static int isnan(double x) {
-    if (x > 1.0e300) return 1;
-    return 0;
-}
-
 namespace Cantera {
 
     MultiJac::MultiJac(OneDim& r) 
@@ -97,10 +92,6 @@ namespace Cantera {
                         for (m = 0; m < mv; m++) {
                             value(m+iloc,ipt) = (m_r1[m+iloc] 
                                 - resid0[m+iloc])*rdx;
-                            //if (isnan(value(m+iloc,ipt))) {
-                            //    throw CanteraError("eval","isnan: "+fp2str(m_r1[m+iloc])
-                            //        +" "+fp2str(resid0[m+iloc])+" "+fp2str(rdx));
-                            //}
                         }
                     }
                 }