diff --git a/include/migration/colo.h b/include/migration/colo.h
index 99ce17aca7..ddebe0ad27 100644
--- a/include/migration/colo.h
+++ b/include/migration/colo.h
@@ -37,7 +37,7 @@ bool migration_incoming_in_colo_state(void);
 COLOMode get_colo_mode(void);
 
 /* failover */
-void colo_do_failover(MigrationState *s);
+void colo_do_failover(void);
 
 void colo_checkpoint_notify(void *opaque);
 #endif
diff --git a/migration/colo-failover.c b/migration/colo-failover.c
index 4854a96c92..e9ca0b4774 100644
--- a/migration/colo-failover.c
+++ b/migration/colo-failover.c
@@ -39,7 +39,7 @@ static void colo_failover_bh(void *opaque)
         return;
     }
 
-    colo_do_failover(NULL);
+    colo_do_failover();
 }
 
 void failover_request_active(Error **errp)
diff --git a/migration/colo.c b/migration/colo.c
index 238a6d62c7..8c1644091f 100644
--- a/migration/colo.c
+++ b/migration/colo.c
@@ -193,7 +193,7 @@ COLOMode get_colo_mode(void)
     }
 }
 
-void colo_do_failover(MigrationState *s)
+void colo_do_failover(void)
 {
     /* Make sure VM stopped while failover happened. */
     if (!colo_runstate_is_stopped()) {