diff --git a/components/heap/heap_trace_standalone.c b/components/heap/heap_trace_standalone.c
index 53ba9553b3..4a01d5e024 100644
--- a/components/heap/heap_trace_standalone.c
+++ b/components/heap/heap_trace_standalone.c
@@ -18,7 +18,7 @@
 #include "esp_memory_utils.h"
 #include "sys/queue.h"
 
-static const char* TAG = "heaptrace";
+static __attribute__((unused)) const char* TAG = "heaptrace";
 
 #define STACK_DEPTH CONFIG_HEAP_TRACING_STACK_DEPTH