diff --git a/CMakeLists.txt b/CMakeLists.txt
index 445800d0d..ca186c850 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -225,7 +225,7 @@ if(APPLE_IOS)
 endif()
 
 if(APPLE_MACOS)
-	# Not supported by standard library of our current minimal target
+	# Not supported by standard library of our current minimal target - macOS 10.14 or newer required
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-aligned-allocation")
 endif()
 
diff --git a/Global.h b/Global.h
index b628116ef..0a10239c4 100644
--- a/Global.h
+++ b/Global.h
@@ -86,10 +86,6 @@ static_assert(sizeof(bool) == 1, "Bool needs to be 1 byte in size.");
 #  endif
 #endif
 
-#ifdef VCMI_ANDROID
-#  define NO_STD_TOSTRING // android runtime (gnustl) currently doesn't support std::to_string, so we provide our impl in this case
-#endif // VCMI_ANDROID
-
 /* ---------------------------------------------------------------------------- */
 /* A macro to force inlining some of our functions */
 /* ---------------------------------------------------------------------------- */
@@ -143,16 +139,12 @@ static_assert(sizeof(bool) == 1, "Bool needs to be 1 byte in size.");
 #define BOOST_THREAD_USE_DLL //for example VCAI::finish() may freeze on thread join after interrupt when linking this statically
 #define BOOST_BIND_NO_PLACEHOLDERS
 
-#if defined(_MSC_VER) && (_MSC_VER == 1900 || _MSC_VER == 1910 || _MSC_VER == 1911)
-#define BOOST_NO_CXX11_VARIADIC_TEMPLATES //Variadic templates are buggy in VS2015 and VS2017, so turn this off to avoid compile errors
-#endif
 #if BOOST_VERSION >= 106600
 #define BOOST_ASIO_ENABLE_OLD_SERVICES
 #endif
 
 #include <boost/algorithm/string.hpp>
 #include <boost/any.hpp>
-#include <boost/cstdint.hpp>
 #include <boost/current_function.hpp>
 #include <boost/crc.hpp>
 #include <boost/date_time/posix_time/posix_time.hpp>
@@ -174,7 +166,6 @@ static_assert(sizeof(bool) == 1, "Bool needs to be 1 byte in size.");
 #include <boost/range/algorithm.hpp>
 #include <boost/thread.hpp>
 #include <boost/variant.hpp>
-#include <boost/math/special_functions/round.hpp>
 #include <boost/multi_array.hpp>
 
 #ifndef M_PI
@@ -233,12 +224,12 @@ using TLockGuardRec = std::lock_guard<std::recursive_mutex>;
 #else
 #  define DLL_LINKAGE DLL_IMPORT
 #endif
-
-#define THROW_FORMAT(message, formatting_elems)  throw std::runtime_error(boost::str(boost::format(message) % formatting_elems))
-
-// old iOS SDKs compatibility
-#ifdef VCMI_IOS
-#include <AvailabilityVersions.h>
+
+#define THROW_FORMAT(message, formatting_elems)  throw std::runtime_error(boost::str(boost::format(message) % formatting_elems))
+
+// old iOS SDKs compatibility
+#ifdef VCMI_IOS
+#include <AvailabilityVersions.h>
 
 #ifndef __IPHONE_13_0
 #define __IPHONE_13_0 130000
@@ -287,7 +278,6 @@ void inline handleException()
 
 namespace vstd
 {
-
 	// combine hashes. Present in boost but not in std
 	template <class T>
 	inline void hash_combine(std::size_t& seed, const T& v)
@@ -457,14 +447,6 @@ namespace vstd
 		}
 	};
 
-	// Assigns value a2 to a1. The point of time of the real operation can be controlled
-	// with the () operator.
-	template <typename t1, typename t2>
-	assigner<t1,t2> assigno(t1 &a1, const t2 &a2)
-	{
-		return assigner<t1,t2>(a1,a2);
-	}
-
 	//deleted pointer and sets it to nullptr
 	template <typename T>
 	void clear_pointer(T* &ptr)
@@ -722,17 +704,3 @@ namespace vstd
 using vstd::operator-=;
 
 VCMI_LIB_NAMESPACE_END
-
-
-#ifdef NO_STD_TOSTRING
-namespace std
-{
-	template <typename T>
-	inline std::string to_string(const T& value)
-	{
-		std::ostringstream ss;
-		ss << value;
-		return ss.str();
-	}
-}
-#endif // NO_STD_TOSTRING