() --> (void)
diff --git a/test/core/end2end/tests/max_concurrent_streams.c b/test/core/end2end/tests/max_concurrent_streams.c
index 09710fe..e88f418 100644
--- a/test/core/end2end/tests/max_concurrent_streams.c
+++ b/test/core/end2end/tests/max_concurrent_streams.c
@@ -64,7 +64,7 @@
return gpr_time_add(gpr_now(), gpr_time_from_micros(GPR_US_PER_SEC * n));
}
-static gpr_timespec five_seconds_time() { return n_seconds_time(5); }
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
static void drain_cq(grpc_completion_queue *cq) {
grpc_event *ev;