diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
index cf6edbe697b2..6efb6b4bbcce 100644
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -749,13 +749,6 @@ static int do_test_code_reading(bool try_kcore)
 				pr_debug("perf_evlist__open() failed!\n%s\n", errbuf);
 			}
 
-			/*
-			 * Both cpus and threads are now owned by evlist
-			 * and will be freed by following perf_evlist__set_maps
-			 * call. Getting reference to keep them alive.
-			 */
-			perf_cpu_map__get(cpus);
-			perf_thread_map__get(threads);
 			perf_evlist__set_maps(&evlist->core, NULL, NULL);
 			evlist__delete(evlist);
 			evlist = NULL;