diff --git a/include/runtime_services/ffa_helpers.h b/include/runtime_services/ffa_helpers.h
index 90bb30f..f265fe8 100644
--- a/include/runtime_services/ffa_helpers.h
+++ b/include/runtime_services/ffa_helpers.h
@@ -641,9 +641,8 @@
 
 uint32_t ffa_memory_retrieve_request_init(
 	struct ffa_memory_region *memory_region, ffa_memory_handle_t handle,
-	ffa_id_t sender, ffa_id_t receiver, uint32_t tag,
-	ffa_memory_region_flags_t flags, enum ffa_data_access data_access,
-	enum ffa_instruction_access instruction_access,
+	ffa_id_t sender, struct ffa_memory_access receivers[],
+	uint32_t receiver_count, uint32_t tag, ffa_memory_region_flags_t flags,
 	enum ffa_memory_type type, enum ffa_memory_cacheability cacheability,
 	enum ffa_memory_shareability shareability);
 
@@ -652,12 +651,12 @@
 
 uint32_t ffa_memory_region_init(
 	struct ffa_memory_region *memory_region, size_t memory_region_max_size,
-	ffa_id_t sender, ffa_id_t receiver,
+	ffa_id_t sender, struct ffa_memory_access receivers[],
+	uint32_t receiver_count,
 	const struct ffa_memory_region_constituent constituents[],
 	uint32_t constituent_count, uint32_t tag,
-	ffa_memory_region_flags_t flags, enum ffa_data_access data_access,
-	enum ffa_instruction_access instruction_access,
-	enum ffa_memory_type type, enum ffa_memory_cacheability cacheability,
+	ffa_memory_region_flags_t flags, enum ffa_memory_type type,
+	enum ffa_memory_cacheability cacheability,
 	enum ffa_memory_shareability shareability, uint32_t *total_length,
 	uint32_t *fragment_length);