diff --git a/include/runtime_services/ffa_helpers.h b/include/runtime_services/ffa_helpers.h
index 4af051b..592327a 100644
--- a/include/runtime_services/ffa_helpers.h
+++ b/include/runtime_services/ffa_helpers.h
@@ -17,7 +17,6 @@
 typedef unsigned short ffa_vm_id_t;
 typedef unsigned short ffa_vm_count_t;
 typedef unsigned short ffa_vcpu_count_t;
-typedef uint32_t ffa_int_id_t;
 typedef uint64_t ffa_memory_handle_t;
 /** Flags to indicate properties of receivers during memory region retrieval. */
 typedef uint8_t ffa_memory_receiver_flags_t;
diff --git a/include/runtime_services/spm_common.h b/include/runtime_services/spm_common.h
index dbb113b..2d6e51a 100644
--- a/include/runtime_services/spm_common.h
+++ b/include/runtime_services/spm_common.h
@@ -14,6 +14,9 @@
 /* Hypervisor ID at physical FFA instance */
 #define HYP_ID          (0)
 
+/* ID for the first Secure Partition. */
+#define SPM_VM_ID_FIRST                 SP_ID(1)
+
 /*
  * The bit 15 of the FF-A ID indicates whether the partition is executing
  * in the normal world, in case it is a Virtual Machine (VM); or in the