diff --git a/deps/ox/src/ox/std/defer.hpp b/deps/ox/src/ox/std/defer.hpp
index 593cc57a..390ffebb 100644
--- a/deps/ox/src/ox/std/defer.hpp
+++ b/deps/ox/src/ox/std/defer.hpp
@@ -8,8 +8,6 @@
 
 #pragma once
 
-#include "error.hpp"
-
 namespace ox {
 
 template<typename T>
@@ -18,13 +16,12 @@ class Defer {
 		T m_deferredFunc;
 
 	public:
-		Defer(T deferredFunc) {
-			m_deferredFunc = deferredFunc;
+		constexpr Defer(T deferredFunc) noexcept: m_deferredFunc(deferredFunc) {
 		}
 
 		Defer(const Defer&) = delete;
 
-		~Defer() {
+		constexpr ~Defer() {
 			m_deferredFunc();
 		}
 
@@ -34,4 +31,4 @@ class Defer {
 
 }
 
-#define oxDefer ox::Defer oxConcat(oxDefer_, __LINE__) = [&]
+#define oxDefer ox::Defer const oxConcat(oxDefer_, __LINE__) =