diff --git a/include/cantera/kinetics/ReactionPath.h b/include/cantera/kinetics/ReactionPath.h
index 951ec8d72..260f9add9 100644
--- a/include/cantera/kinetics/ReactionPath.h
+++ b/include/cantera/kinetics/ReactionPath.h
@@ -303,8 +303,6 @@ public:
     //! Analyze a reaction to determine which reactants lead to which products.
     int findGroups(std::ostream& logfile, Kinetics& s);
 
-    void writeGroup(std::ostream& out, const Group& g);
-
 protected:
     void findElements(Kinetics& kin);
 
diff --git a/src/kinetics/ReactionPath.cpp b/src/kinetics/ReactionPath.cpp
index 7f75aa2cd..f20fe4bbe 100644
--- a/src/kinetics/ReactionPath.cpp
+++ b/src/kinetics/ReactionPath.cpp
@@ -406,16 +406,6 @@ int ReactionPathBuilder::findGroups(ostream& logfile, Kinetics& s)
         logfile << endl << "Reaction " << i+1 << ": "
                 << s.reactionString(i);
 
-        std::vector<size_t> r, p;
-        for (size_t k = 0; k < s.nTotalSpecies(); k++) {
-            if (s.reactantStoichCoeff(k,i)) {
-                r.push_back(k);
-            }
-            if (s.productStoichCoeff(k,i)) {
-                p.push_back(k);
-            }
-        }
-
         if (m_determinate[i]) {
             logfile << " ... OK." << endl;
         } else if (m_reac[i].size() == 2 && m_prod[i].size() == 2) {
@@ -519,11 +509,6 @@ int ReactionPathBuilder::findGroups(ostream& logfile, Kinetics& s)
     return 1;
 }
 
-void ReactionPathBuilder::writeGroup(ostream& out, const Group& g)
-{
-    g.fmt(out, m_elementSymbols);
-}
-
 void ReactionPathBuilder::findElements(Kinetics& kin)
 {
     m_enamemap.clear();