diff --git a/m4/immdx_lib_metis.m4 b/m4/immdx_lib_metis.m4
index c55a685b50fbff9056e72c826472e3a864b7dd1a..210aaf06912cbc5fea2668e2a4455a3095e61d3b 100644
--- a/m4/immdx_lib_metis.m4
+++ b/m4/immdx_lib_metis.m4
@@ -89,7 +89,7 @@ AC_DEFUN([IMMDX_LIB_METIS], [
 
 			AC_CHECK_HEADER(metis.h, [metis_h=yes],
 				[metis_h=no], [/* check */])
-			echo x$metis_h
+			#echo x$metis_h
 
 			AC_LANG_RESTORE
 
diff --git a/m4/parmetis.m4 b/m4/parmetis.m4
index 59895752e4cdb80ed53e40fec1e11db68eb5d110..8c15ae0f08c32d748ca1ae4b44ce8734027093dc 100644
--- a/m4/parmetis.m4
+++ b/m4/parmetis.m4
@@ -36,7 +36,7 @@ AC_DEFUN([DUNE_PATH_PARMETIS],[
 	fi
 	],
     [
-    echo with_parmetis1=$withparmetis PARMETIS=$PARMETIS
+    #echo with_parmetis1=$withparmetis PARMETIS=$PARMETIS
 	if test -n "$PARMETIS" ; then
           if test -d "$PARMETIS" ; then
 	    # get absolute path
@@ -72,7 +72,7 @@ AC_DEFUN([DUNE_PATH_PARMETIS],[
     [AC_HELP_STRING([--with-metis-lib],  [name of the metis libraries (default is metis)])],
     ,[with_metis_lib=metis])
 
-  echo with_parmetis=$with_parmetis
+  #echo with_parmetis=$with_parmetis
   # store old values
   ac_save_LDFLAGS="$LDFLAGS"
   ac_save_CPPFLAGS="$CPPFLAGS"