diff --git a/src/main.zig b/src/main.zig
index dea531fa..9b6c300e 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -58,8 +58,6 @@ pub fn main() !void {
     defer doc.deinit();
     try doc.parse(html);
 
-    std.debug.print("ok\n", .{});
-
     // remove socket file of internal server
     // reuse_address (SO_REUSEADDR flag) does not seems to work on unix socket
     // see: https://gavv.net/articles/unix-socket-reuse/
@@ -72,7 +70,7 @@ pub fn main() !void {
 
     // alloc
     var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
-    defer _ = arena.deinit();
+    defer arena.deinit();
 
     // server
     var addr = try std.net.Address.initUnix(socket_path);
diff --git a/src/run_tests.zig b/src/run_tests.zig
index 6133ab29..7162c8d1 100644
--- a/src/run_tests.zig
+++ b/src/run_tests.zig
@@ -40,7 +40,9 @@ test {
     const vm = jsruntime.VM.init();
     defer vm.deinit();
 
-    var alloc = jsruntime.bench_allocator(std.testing.allocator);
+    var bench_alloc = jsruntime.bench_allocator(std.testing.allocator);
+    var arena_alloc = std.heap.ArenaAllocator.init(bench_alloc.allocator());
+    defer arena_alloc.deinit();
 
-    try jsruntime.loadEnv(alloc.allocator(), false, testsExecFn, apis);
+    try jsruntime.loadEnv(&arena_alloc, testsExecFn, apis);
 }