--- a/ext/min.c	2007-08-11 13:46:52.000000000 +0900
+++ b/ext/min.c	2007-09-22 20:28:57.000000000 +0900
@@ -123,6 +123,7 @@
   return rb_float_new(gsl_min_fminimizer_x_upper(gmf));
 }
 
+#if 0
 #ifndef GSL_1_2_LATER
 static double gsl_min_fminimizer_x_minimum(const gsl_min_fminimizer * s)
 {  
@@ -145,6 +146,7 @@
   return s->f_upper;
 }
 #endif
+#endif
 
 static VALUE rb_gsl_min_fminimizer_x_minimum(VALUE obj)
 {