#define scm_si_dispatch_procedure scm_applicable_struct_index_procedure /* 0 */
#define scm_si_methods 1
#define scm_si_n_specialized 2
-#define scm_si_cache_mutex 3
-#define scm_si_extended_by 4
-#define scm_si_generic_cache 5
-#define scm_si_effective_methods 6
-#define scm_si_generic_setter 7
+#define scm_si_extended_by 3
+#define scm_si_generic_cache 4
+#define scm_si_effective_methods 5
+#define scm_si_generic_setter 6
#define scm_si_generic_function 0 /* offset of gf slot in a <method> */
#define scm_si_specializers 1 /* offset of spec. slot in a <method> */