diff --git a/src/debug/debug_stream/debug_stream_thread_info.c b/src/debug/debug_stream/debug_stream_thread_info.c
index 200e2c5e0dc4..a4cb056ec2ac 100644
--- a/src/debug/debug_stream/debug_stream_thread_info.c
+++ b/src/debug/debug_stream/debug_stream_thread_info.c
@@ -122,7 +122,6 @@ static uint8_t thread_info_cpu_utilization(struct k_thread *thread,
 {
 	k_thread_runtime_stats_t thread_stats;
 	uint32_t cycles;
-	int ret;
 
 	if (!ud->stats_valid)
 		return 0;