diff --git a/src/bsontools/cmdline.h b/src/bsontools/cmdline.h
index c753d45..c45b223 100755
--- a/src/bsontools/cmdline.h
+++ b/src/bsontools/cmdline.h
@@ -59,7 +59,6 @@ class cmdline {
     // get value from cmdline 
     //   --PARMNAME VALUE
     string getStr(string parmName) {
-        int res = -1;
         for (unsigned i = 0; i < options.size(); i++) {
             if (options[i].opt == parmName) {
                 return options[i].value;