diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
index d75bded21fe0ce73ef9aea745ff565c9ba61a204..2cbec658be90a6daf57b4596ac2375f345f4f147 100644
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -419,8 +419,7 @@ int cmd_buildid_cache(int argc, const char **argv,
 		pr_warning("Couldn't add %s\n", kcore_filename);
 
 out:
-	if (session)
-		perf_session__delete(session);
+	perf_session__delete(session);
 
 	return ret;
 }
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 8b6735f3517937b85eb6e4909c483adbb75a6fb0..eac0b1100b8fd0d6da921ef92f6c35c4c5b32080 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -756,9 +756,7 @@ static int __cmd_diff(void)
 
  out_delete:
 	data__for_each_file(i, d) {
-		if (d->session)
-			perf_session__delete(d->session);
-
+		perf_session__delete(d->session);
 		data__free(d);
 	}
 
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index ad46e91abec5444f4e61b8bd7203c7206ed426a4..8f8f90e2b993660f6c9f4f470e83338c51259576 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -1426,8 +1426,7 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
 	err = kvm_events_live_report(kvm);
 
 out:
-	if (kvm->session)
-		perf_session__delete(kvm->session);
+	perf_session__delete(kvm->session);
 	kvm->session = NULL;
 	perf_evlist__delete(kvm->evlist);
 
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index dfedf097b9b1ffdafd4b6380a8bd4fe68e58ad62..43be0c5a6a268a44a2b20b4bf82e87e1a12c7067 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -178,6 +178,8 @@ static void perf_session__delete_threads(struct perf_session *session)
 
 void perf_session__delete(struct perf_session *session)
 {
+	if (session == NULL)
+		return;
 	auxtrace__free(session);
 	auxtrace_index__free(&session->auxtrace_index);
 	perf_session__destroy_kernel_maps(session);