3 files changed, 3 insertions, 21 deletions
diff --git a/src/common/Utilities/EventProcessor.h b/src/common/Utilities/EventProcessor.h
index 3a5cea0bd94..7f662e473ca 100644
--- a/src/common/Utilities/EventProcessor.h
+++ b/src/common/Utilities/EventProcessor.h
@@ -18,7 +18,6 @@
 #ifndef __EVENTPROCESSOR_H
 #define __EVENTPROCESSOR_H
 
-#include "advstd.h"
 #include "Define.h"
 #include "Duration.h"
 #include "Random.h"
@@ -89,7 +88,7 @@ private:
 };
 
 template<typename T>
-using is_lambda_event = std::enable_if_t<!std::is_base_of_v<BasicEvent, std::remove_pointer_t<advstd::remove_cvref_t<T>>>>;
+using is_lambda_event = std::enable_if_t<!std::is_base_of_v<BasicEvent, std::remove_pointer_t<std::remove_cvref_t<T>>>>;
 
 class TC_COMMON_API EventProcessor
 {
diff --git a/src/common/Utilities/Types.h b/src/common/Utilities/Types.h
index 223a09c4ee3..922be079de0 100644
--- a/src/common/Utilities/Types.h
+++ b/src/common/Utilities/Types.h
@@ -18,7 +18,7 @@
 #ifndef Types_h__
 #define Types_h__
 
-#include "advstd.h"
+#include <type_traits>
 
 namespace Trinity
 {
@@ -35,7 +35,7 @@ namespace Trinity
     };
 
     template<template<typename...> typename Check, typename T1, typename... Ts>
-    struct find_type_if<Check, T1, Ts...> : std::conditional_t<Check<T1>::value, advstd::type_identity<T1>, find_type_if<Check, Ts...>>
+    struct find_type_if<Check, T1, Ts...> : std::conditional_t<Check<T1>::value, std::type_identity<T1>, find_type_if<Check, Ts...>>
     {
     };
 
diff --git a/src/common/Utilities/advstd.h b/src/common/Utilities/advstd.h
index c7727be472b..ff2717c9755 100644
--- a/src/common/Utilities/advstd.h
+++ b/src/common/Utilities/advstd.h
@@ -18,26 +18,9 @@
 #ifndef TRINITY_ADVSTD_H
 #define TRINITY_ADVSTD_H
 
-#include <cstddef>
-#include <type_traits>
-
 // this namespace holds implementations of upcoming stdlib features that our c++ version doesn't have yet
 namespace advstd
 {
-    // C++20 std::remove_cvref_t
-    template <class T>
-    using remove_cvref_t = std::remove_cv_t<std::remove_reference_t<T>>;
-
-    // C++20 std::type_identity
-    template <typename T>
-    struct type_identity
-    {
-        using type = T;
-    };
-
-    // C++20 std::type_identity_t
-    template <typename T>
-    using type_identity_t = typename type_identity<T>::type;
 }
 
 #endif