diff --git a/m4/superlu.m4 b/m4/superlu.m4
index 8c09ce83a3ca7b781bda79f110c7d3259c43283a..0740213e2394de83c92be073eb3b3fb9d8a7ca3a 100644
--- a/m4/superlu.m4
+++ b/m4/superlu.m4
@@ -60,7 +60,6 @@ AC_DEFUN([DUNE_PATH_SUPERLU],[
 		if  test "$withval" != no ; then
 		    # get absolute path
 		    with_superlu=`eval cd $withval 2>&1 && pwd`
-		    echo withval=$withval with_superlu=$with_superlu
 		    if test "$withval" = yes; then
 		        # Search in default locations
 			_slu_search_default