diff --git a/Packages/Configuration/changes.txt b/Packages/Configuration/changes.txt
index 7b0fb791f57..2d666329ed3 100644
--- a/Packages/Configuration/changes.txt
+++ b/Packages/Configuration/changes.txt
@@ -1,10 +1,9 @@
+- kill unused variable warning.
+
 2.31
-----------
-Added a function test in the CGAL_NO_TMPL_IN_TMPL_PARAM.C.
-template < template < class T > class HDS>
-void fct(HDS<int> h1 ) { // here it does not compile } 
-
-
+- Added a function test in the CGAL_NO_TMPL_IN_TMPL_PARAM.C.
+  template < template < class T > class HDS>
+  void fct(HDS<int> h1 ) { // here it does not compile } 
 
 2.30
 - Fixed STLport include (not for VC7) as suggested by Radu.
diff --git a/Packages/Configuration/config/testfiles/CGAL_CFG_ENUM_BUG.C b/Packages/Configuration/config/testfiles/CGAL_CFG_ENUM_BUG.C
index cbd6983a9b0..3a78c7f166f 100644
--- a/Packages/Configuration/config/testfiles/CGAL_CFG_ENUM_BUG.C
+++ b/Packages/Configuration/config/testfiles/CGAL_CFG_ENUM_BUG.C
@@ -53,6 +53,7 @@ struct C {
 int main()
 {
   C< F > c;
+  (void) c;
   return 0;
 }
 
diff --git a/Packages/Configuration/test/Configuration/CGAL_CFG_ENUM_BUG.C b/Packages/Configuration/test/Configuration/CGAL_CFG_ENUM_BUG.C
index cbd6983a9b0..3a78c7f166f 100644
--- a/Packages/Configuration/test/Configuration/CGAL_CFG_ENUM_BUG.C
+++ b/Packages/Configuration/test/Configuration/CGAL_CFG_ENUM_BUG.C
@@ -53,6 +53,7 @@ struct C {
 int main()
 {
   C< F > c;
+  (void) c;
   return 0;
 }