diff --git a/src/include/86box/machine.h b/src/include/86box/machine.h
index 3050fc2b6..fae7fb587 100644
--- a/src/include/86box/machine.h
+++ b/src/include/86box/machine.h
@@ -779,7 +779,6 @@ extern int	machine_ps2_model_55sx_init(const machine_t *);
 extern int	machine_ps2_model_70_type3_init(const machine_t *);
 extern int	machine_ps2_model_80_init(const machine_t *);
 extern int	machine_ps2_model_80_axx_init(const machine_t *);
-extern int  machine_ps2_model_80_axx_cust_init(const machine_t *);
 
 /* m_tandy.c */
 extern int	tandy1k_eeprom_read(void);