diff --git a/examples/accel/perf/accel_perf.c b/examples/accel/perf/accel_perf.c
index bfdbc42cb..dd530b73f 100644
--- a/examples/accel/perf/accel_perf.c
+++ b/examples/accel/perf/accel_perf.c
@@ -60,7 +60,19 @@ static struct worker_thread *g_workers = NULL;
 static int g_num_workers = 0;
 static pthread_mutex_t g_workers_lock = PTHREAD_MUTEX_INITIALIZER;
 uint64_t g_capabilites;
-struct ap_task;
+
+struct worker_thread;
+static void accel_done(void *ref, int status);
+
+struct ap_task {
+	void			*src;
+	void			*dst;
+	void			*dst2;
+	struct worker_thread	*worker;
+	int			status;
+	int			expected_status; /* used for the compare operation */
+	TAILQ_ENTRY(ap_task)	link;
+};
 
 struct worker_thread {
 	struct spdk_io_channel		*ch;
@@ -77,16 +89,6 @@ struct worker_thread {
 	struct spdk_poller		*stop_poller;
 };
 
-struct ap_task {
-	void			*src;
-	void			*dst;
-	void			*dst2;
-	struct worker_thread	*worker;
-	int			status;
-	int			expected_status; /* used for compare */
-	TAILQ_ENTRY(ap_task)	link;
-};
-
 static void
 dump_user_config(struct spdk_app_opts *opts)
 {