diff --git a/xen/arch/arm/gic-v3-its.c b/xen/arch/arm/gic-v3-its.c
index 9558bad96a..e217c21bf8 100644
--- a/xen/arch/arm/gic-v3-its.c
+++ b/xen/arch/arm/gic-v3-its.c
@@ -892,7 +892,7 @@ struct pending_irq *gicv3_assign_guest_event(struct domain *d,
     return pirq;
 }
 
-int gicv3_its_deny_access(const struct domain *d)
+int gicv3_its_deny_access(struct domain *d)
 {
     int rc = 0;
     unsigned long mfn, nr;
diff --git a/xen/arch/arm/include/asm/gic_v3_its.h b/xen/arch/arm/include/asm/gic_v3_its.h
index 168617097f..fae3f6ecef 100644
--- a/xen/arch/arm/include/asm/gic_v3_its.h
+++ b/xen/arch/arm/include/asm/gic_v3_its.h
@@ -139,7 +139,7 @@ unsigned long gicv3_its_make_hwdom_madt(const struct domain *d,
 #endif
 
 /* Deny iomem access for its */
-int gicv3_its_deny_access(const struct domain *d);
+int gicv3_its_deny_access(struct domain *d);
 
 bool gicv3_its_host_has_its(void);
 
@@ -206,7 +206,7 @@ static inline unsigned long gicv3_its_make_hwdom_madt(const struct domain *d,
 }
 #endif
 
-static inline int gicv3_its_deny_access(const struct domain *d)
+static inline int gicv3_its_deny_access(struct domain *d)
 {
     return 0;
 }