diff --git a/Source/Modules/guile.cxx b/Source/Modules/guile.cxx
index c1821c916..e0a084583 100644
--- a/Source/Modules/guile.cxx
+++ b/Source/Modules/guile.cxx
@@ -46,11 +46,6 @@ Guile Options (available with -guile)\n\
      -scmstub                - Output Scheme file with module declaration and\n\
                                exports; only with `passive' and `simple' linkage\n\
      -useclassprefix         - Prepend the class name to all goops identifiers\n\
-\n\
-Obsolete parameters:\n\
-These parameters do nothing, but are kept for compatibility with old scripts only.\n\
-     -gh                     - Was used to select the gh_ Guile API. \n\
-     -scm                    - scm Guile API is always used now. \n\
 \n";
 
 static File *f_begin = 0;
@@ -218,10 +213,10 @@ public:
 	  goops = true;
 	  Swig_mark_arg(i);
 	} else if (strcmp(argv[i], "-gh") == 0) {
-	  Printf(stderr, "guile: Warning: -gh option is deprecated. Swig will always generate wrappers using the scm interface. See documentation for more information regarding the deprecated gh interface.\n");
+	  Printf(stderr, "Deprecated command line option: -gh. Wrappers are always generated for the SCM interface. See documentation for more information regarding the deprecated GH interface.\n");
 	  Swig_mark_arg(i);
 	} else if (strcmp(argv[i], "-scm") == 0) {
-	  Printf(stderr, "guile: Warning: -scm option is deprecated. Swig will always generate wrappers using the scm interface. See documentation for more information regarding the deprecated gh interface.\n");
+	  Printf(stderr, "Deprecated command line option: -scm. Wrappers are always generated for the SCM interface. See documentation for more information regarding the deprecated GH interface.\n");
 	  Swig_mark_arg(i);
 	} else if (strcmp(argv[i], "-primsuffix") == 0) {
 	  if (argv[i + 1]) {