diff -r b873350e6258 -r 8d281761dea4 lemon/clp.cc
--- a/lemon/clp.cc	Thu Jan 19 15:25:06 2012 +0100
+++ b/lemon/clp.cc	Sat May 05 10:22:44 2012 +0200
@@ -424,8 +424,6 @@
   void ClpLp::_clear() {
     delete _prob;
     _prob = new ClpSimplex();
-    rows.clear();
-    cols.clear();
     _col_names_ref.clear();
     _clear_temporals();
   }