diff --git a/include/plat/common/psci1.0/platform.h b/include/plat/common/psci1.0/platform.h
index 059320f..acc5b95 100644
--- a/include/plat/common/psci1.0/platform.h
+++ b/include/plat/common/psci1.0/platform.h
@@ -183,8 +183,7 @@
  * Mandatory PSCI functions (BL3-1)
  ******************************************************************************/
 int platform_setup_pm(const struct plat_pm_ops **);
-unsigned int plat_get_pwr_domain_count(unsigned int, unsigned long);
-unsigned int plat_get_pwr_domain_state(unsigned int, unsigned long);
+const unsigned char *plat_get_power_domain_tree_desc(void);
 
 /*******************************************************************************
  * Optional BL3-1 functions (may be overridden)