diff --git a/reftable/stack_test.c b/reftable/stack_test.c
index d628420e63..4b7292945c 100644
--- a/reftable/stack_test.c
+++ b/reftable/stack_test.c
@@ -89,7 +89,7 @@ static void test_read_file(void)
 		EXPECT(0 == strcmp(want[i], names[i]));
 	}
 	free_names(names);
-	remove(fn);
+	(void) remove(fn);
 }
 
 static void test_parse_names(void)