diff --git a/src/host_stream/event_recorder.c b/src/host_stream/event_recorder.c
index 07bff47..b9c4b46 100644
--- a/src/host_stream/event_recorder.c
+++ b/src/host_stream/event_recorder.c
@@ -329,6 +329,7 @@ static void make_work_dir(const char *event_id, char *out, size_t n)
     mkdir(out, 0755);
 }
 
+__attribute__((unused))
 static void write_event_json(const char *work_dir, const char *event_id,
                               const char *type, int max_level,
                               float duration_sec,
@@ -677,13 +678,6 @@ static void *test_upload_thread(void *arg)
         fflush(stdout);
     }
 
-    /* Write event.json */
-    char imgs[4][64];
-    memset(imgs, 0, sizeof(imgs));
-    snprintf(imgs[0], sizeof(imgs[0]), "%s", snap_name);
-    write_event_json(work_dir, event_id, evt_type, 1, duration,
-                     has_snap ? (const char (*)[64])imgs : NULL, has_snap ? 1 : 0);
-
     /* Build tar.gz */
     char tgz_path[384];
     build_targz(work_dir, event_id, tgz_path, sizeof(tgz_path));
@@ -1099,11 +1093,6 @@ static void *upload_thread(void *arg)
         usleep((useconds_t)a->delay_ms * 1000);
     }
 
-    printf("[EVT] upload: writing event.json to %s\n", a->work_dir);
-    write_event_json(a->work_dir, a->event_id, a->event_type,
-                     a->max_level, a->duration_sec,
-                     (const char (*)[64])a->images, a->image_count);
-
     printf("[EVT] upload: building tar.gz\n");
     char tgz_path[384];
     build_targz(a->work_dir, a->event_id, tgz_path, sizeof(tgz_path));