diff --git a/plat/arm/board/morello/morello_bl31_setup.c b/plat/arm/board/morello/morello_bl31_setup.c
index e13a38b..8469cd1 100644
--- a/plat/arm/board/morello/morello_bl31_setup.c
+++ b/plat/arm/board/morello/morello_bl31_setup.c
@@ -35,7 +35,6 @@
 const plat_psci_ops_t *plat_arm_psci_override_pm_ops(plat_psci_ops_t *ops)
 {
 	ops->pwr_domain_off = morello_pwr_domain_off;
-	ops->pwr_domain_suspend = morello_pwr_domain_suspend;
 	return css_scmi_override_pm_ops(ops);
 }
 
diff --git a/plat/arm/board/morello/morello_pm.c b/plat/arm/board/morello/morello_pm.c
index dda006e..fa7bd1d 100644
--- a/plat/arm/board/morello/morello_pm.c
+++ b/plat/arm/board/morello/morello_pm.c
@@ -11,19 +11,13 @@
 #include "morello_private.h"
 
 /*******************************************************************************
- * Morello specific functions called when turning off or suspending a power
- * domain. Both additionally disable the GIC redistributor interface as cores
- * are disabled to let cluster-PPU state transition to completion when a
- * cluster is powered down.
+ * Morello specific function called when turning off a power domain.
+ * Additionally disables the GIC redistributor interface as cores are disabled
+ * to let cluster-PPU state transition to completion when a cluster is
+ * powered down.
  ******************************************************************************/
 void morello_pwr_domain_off(const psci_power_state_t *target_state)
 {
 	css_pwr_domain_off(target_state);
 	plat_arm_gic_redistif_off();
 }
-
-void morello_pwr_domain_suspend(const psci_power_state_t *target_state)
-{
-	css_pwr_domain_suspend(target_state);
-	plat_arm_gic_redistif_off();
-}
diff --git a/plat/arm/board/morello/morello_private.h b/plat/arm/board/morello/morello_private.h
index ea2fce9..dea70fb 100644
--- a/plat/arm/board/morello/morello_private.h
+++ b/plat/arm/board/morello/morello_private.h
@@ -10,6 +10,5 @@
 #include <lib/psci/psci.h>
 
 void morello_pwr_domain_off(const psci_power_state_t *target_state);
-void morello_pwr_domain_suspend(const psci_power_state_t *target_state);
 
 #endif /* MORELLO_PRIVATE_H */
diff --git a/plat/arm/board/n1sdp/n1sdp_bl31_setup.c b/plat/arm/board/n1sdp/n1sdp_bl31_setup.c
index db7215f..2b9ed25 100644
--- a/plat/arm/board/n1sdp/n1sdp_bl31_setup.c
+++ b/plat/arm/board/n1sdp/n1sdp_bl31_setup.c
@@ -71,7 +71,6 @@
 const plat_psci_ops_t *plat_arm_psci_override_pm_ops(plat_psci_ops_t *ops)
 {
 	ops->pwr_domain_off = n1sdp_pwr_domain_off;
-	ops->pwr_domain_suspend = n1sdp_pwr_domain_suspend;
 	return css_scmi_override_pm_ops(ops);
 }
 
diff --git a/plat/arm/board/n1sdp/n1sdp_pm.c b/plat/arm/board/n1sdp/n1sdp_pm.c
index e43832a..8d45354 100644
--- a/plat/arm/board/n1sdp/n1sdp_pm.c
+++ b/plat/arm/board/n1sdp/n1sdp_pm.c
@@ -11,19 +11,13 @@
 #include "n1sdp_private.h"
 
 /*******************************************************************************
- * N1SDP specific functions called when turning off or suspending a power
- * domain. Both additionally disable the GIC redistributor interface as cores
- * are disabled to let cluster-PPU state transition to completion when a
- * cluster is powered down.
+ * N1SDP specific function called when turning off a power domain. Additionally
+ * disables the GIC redistributor interface as cores are disabled to
+ * let cluster-PPU state transition to completion when a cluster is powered
+ * down.
  ******************************************************************************/
 void n1sdp_pwr_domain_off(const psci_power_state_t *target_state)
 {
 	css_pwr_domain_off(target_state);
 	plat_arm_gic_redistif_off();
 }
-
-void n1sdp_pwr_domain_suspend(const psci_power_state_t *target_state)
-{
-	css_pwr_domain_suspend(target_state);
-	plat_arm_gic_redistif_off();
-}
diff --git a/plat/arm/board/n1sdp/n1sdp_private.h b/plat/arm/board/n1sdp/n1sdp_private.h
index 7a5c51d..4e48c0f 100644
--- a/plat/arm/board/n1sdp/n1sdp_private.h
+++ b/plat/arm/board/n1sdp/n1sdp_private.h
@@ -10,6 +10,5 @@
 #include <lib/psci/psci.h>
 
 void n1sdp_pwr_domain_off(const psci_power_state_t *target_state);
-void n1sdp_pwr_domain_suspend(const psci_power_state_t *target_state);
 
 #endif /* N1SDP_PRIVATE_H */