diff -r b873350e6258 -r 8d281761dea4 lemon/cbc.cc
--- a/lemon/cbc.cc	Thu Jan 19 15:25:06 2012 +0100
+++ b/lemon/cbc.cc	Sat May 05 10:22:44 2012 +0200
@@ -423,8 +423,6 @@
     }
 
     _prob = new CoinModel();
-    rows.clear();
-    cols.clear();
   }
 
   void CbcMip::_messageLevel(MessageLevel level) {