diff --git a/src/id_pool.h b/src/id_pool.h
index 7d4cedf..16b2611 100644
--- a/src/id_pool.h
+++ b/src/id_pool.h
@@ -1,9 +1,9 @@
 #pragma once
 
 #include <cstring>
+#include <algorithm>
 
 #include "def.h"
-#include "platform/detail.h"
 
 namespace ipc {
 
@@ -37,7 +37,11 @@ struct id_type<0, AlignSize> {
 };
 
 template <std::size_t DataSize  = 0,
-          std::size_t AlignSize = ipc::detail::min_val(DataSize, alignof(std::size_t))>
+#if __cplusplus >= 201703L
+          std::size_t AlignSize = (std::min)(DataSize, alignof(std::size_t))>
+#else /*__cplusplus < 201703L*/
+          std::size_t AlignSize = (alignof(std::size_t) < DataSize) ? alignof(std::size_t) : DataSize>
+#endif/*__cplusplus < 201703L*/
 class id_pool {
 public:
     enum : std::size_t {
diff --git a/src/ipc.cpp b/src/ipc.cpp
index 0253de7..c23dbcd 100644
--- a/src/ipc.cpp
+++ b/src/ipc.cpp
@@ -23,7 +23,11 @@ using namespace ipc;
 using msg_id_t = std::size_t;
 
 template <std::size_t DataSize,
-          std::size_t AlignSize = ipc::detail::min_val(DataSize, alignof(std::size_t))>
+#if __cplusplus >= 201703L
+          std::size_t AlignSize = (std::min)(DataSize, alignof(std::size_t))>
+#else /*__cplusplus < 201703L*/
+          std::size_t AlignSize = (alignof(std::size_t) < DataSize) ? alignof(std::size_t) : DataSize>
+#endif/*__cplusplus < 201703L*/
 struct msg_t;
 
 template <std::size_t AlignSize>
diff --git a/src/memory/alloc.h b/src/memory/alloc.h
index 7e2054e..9a5627e 100644
--- a/src/memory/alloc.h
+++ b/src/memory/alloc.h
@@ -10,8 +10,6 @@
 #include "def.h"
 #include "rw_lock.h"
 
-#include "platform/detail.h"
-
 namespace ipc {
 namespace mem {
 
@@ -150,7 +148,11 @@ public:
     using alloc_policy = AllocP;
 
     enum : std::size_t {
-        block_size = ipc::detail::max_val(BlockSize, sizeof(void*))
+#if __cplusplus >= 201703L
+        block_size = (std::max)(BlockSize, sizeof(void*))
+#else /*__cplusplus < 201703L*/
+        block_size = (BlockSize < sizeof(void*)) ? sizeof(void*) : BlockSize
+#endif/*__cplusplus < 201703L*/
     };
 
 private:
diff --git a/src/platform/detail.h b/src/platform/detail.h
index d7e4031..5a859bf 100644
--- a/src/platform/detail.h
+++ b/src/platform/detail.h
@@ -82,16 +82,6 @@ constexpr auto shared_lock(T&& lc) {
 
 #endif/*__cplusplus < 201703L*/
 
-template <typename T>
-constexpr T const & max_val(const T& a, const T& b) {
-    return a < b ? b : a;
-}
-
-template <typename T>
-constexpr T const & min_val(const T& a, const T& b) {
-    return b < a ? b : a;
-}
-
 std::size_t calc_unique_id();
 
 template <typename F, typename D>