diff --git a/packages/CLPBN/clpbn/bp/CbpSolver.cpp b/packages/CLPBN/clpbn/bp/CbpSolver.cpp
index 0989dc465..e385eaf11 100644
--- a/packages/CLPBN/clpbn/bp/CbpSolver.cpp
+++ b/packages/CLPBN/clpbn/bp/CbpSolver.cpp
@@ -56,7 +56,6 @@ CbpSolver::printSolverFlags (void) const
   ss << ",max_iter=" << BpOptions::maxIter;
   ss << ",accuracy=" << BpOptions::accuracy;
   ss << ",log_domain=" << Util::toString (Globals::logDomain);
-  ss << ",order_vars=" << Util::toString (FactorGraph::orderVars);
   ss << ",chkif=" << 
       Util::toString (CFactorGraph::checkForIdenticalFactors);
   ss << "]" ;
diff --git a/packages/CLPBN/clpbn/bp/FactorGraph.cpp b/packages/CLPBN/clpbn/bp/FactorGraph.cpp
index acf5d3adf..314489652 100644
--- a/packages/CLPBN/clpbn/bp/FactorGraph.cpp
+++ b/packages/CLPBN/clpbn/bp/FactorGraph.cpp
@@ -13,9 +13,6 @@
 #include "Util.h"
 
 
-bool FactorGraph::orderVars = false;
-
-
 FactorGraph::FactorGraph (const FactorGraph& fg)
 {
   const VarNodes& varNodes = fg.varNodes();
@@ -187,9 +184,6 @@ void
 FactorGraph::addFactor (const Factor& factor)
 {
   FacNode* fn = new FacNode (factor);
-  if (orderVars) {
-    fn->factor().reorderAccordingVarIds();
-  }
   addFacNode (fn);
   const VarIds& vids = fn->factor().arguments();
   for (unsigned i = 0; i < vids.size(); i++) {
diff --git a/packages/CLPBN/clpbn/bp/FactorGraph.h b/packages/CLPBN/clpbn/bp/FactorGraph.h
index a8e4880dc..ab1057ca0 100644
--- a/packages/CLPBN/clpbn/bp/FactorGraph.h
+++ b/packages/CLPBN/clpbn/bp/FactorGraph.h
@@ -118,8 +118,6 @@ class FactorGraph
 
     void exportToLibDaiFormat (const char*) const;
                       
-    static bool orderVars;
-
   private:
     // DISALLOW_COPY_AND_ASSIGN (FactorGraph);
 
diff --git a/packages/CLPBN/clpbn/bp/Util.cpp b/packages/CLPBN/clpbn/bp/Util.cpp
index f131512e2..9f8f1955f 100644
--- a/packages/CLPBN/clpbn/bp/Util.cpp
+++ b/packages/CLPBN/clpbn/bp/Util.cpp
@@ -288,16 +288,6 @@ setHorusFlag (string key, string value)
       cerr << "for `" << key << "'" << endl;
       returnVal = false;
     }
-  } else if (key == "order_vars") {
-    if (       value == "true") {
-      FactorGraph::orderVars = true;
-    } else if (value == "false") {
-      FactorGraph::orderVars = false;
-    } else {
-      cerr << "warning: invalid value `" << value << "' " ;
-      cerr << "for `" << key << "'" << endl;
-      returnVal = false;
-    }
   } else {
     cerr << "warning: invalid key `" << key << "'" << endl;
     returnVal = false;
diff --git a/packages/CLPBN/clpbn/horus.yap b/packages/CLPBN/clpbn/horus.yap
index 299cc1dbc..946ec5b27 100644
--- a/packages/CLPBN/clpbn/horus.yap
+++ b/packages/CLPBN/clpbn/horus.yap
@@ -45,7 +45,6 @@ set_solver(bp)    :- set_pfl_flag(solver,bp), set_horus_flag(inf_alg, bp).
 set_solver(cbp)   :- set_pfl_flag(solver,bp), set_horus_flag(inf_alg, cbp).
 set_solver(S)     :- throw(error('unknow solver ', S)).
 
-
 %:- set_horus_flag(inf_alg, ve).
 %:- set_horus_flag(inf_alg, bp).
 %: -set_horus_flag(inf_alg, cbp).
@@ -59,9 +58,6 @@ set_solver(S)     :- throw(error('unknow solver ', S)).
 
 :- set_horus_flag(max_iter, 1000).
 
-:- set_horus_flag(order_vars, false).
-%:- set_horus_flag(order_vars, true).
-
 :- set_horus_flag(use_logarithms, false).
 % :- set_horus_flag(use_logarithms, true).