chore: remove msvc remnants

diff --git a/cmake/FindLibUSB.cmake b/cmake/FindLibUSB.cmake
index 5ce589d..1aab15b 100644
--- a/cmake/FindLibUSB.cmake
+++ b/cmake/FindLibUSB.cmake
@@ -56,17 +56,11 @@ else ( PKGCONFIG_LIBUSB_FOUND )
     if ( ${CMAKE_SYSTEM_NAME} STREQUAL "Windows" )
         # LibUSB-Win32 binary distribution contains several libs.
         # Use the lib that got compiled with the same compiler.
-        if ( MSVC )
-            if ( WIN32 )
-                set ( LibUSB_LIBRARY_PATH_SUFFIX lib/msvc )
-            else ( WIN32 )
-                set ( LibUSB_LIBRARY_PATH_SUFFIX lib/msvc_x64 )
-            endif ( WIN32 )
-        elseif ( BORLAND )
+        if ( BORLAND )
             set ( LibUSB_LIBRARY_PATH_SUFFIX lib/bcc )
         elseif ( CMAKE_COMPILER_IS_GNUCC )
             set ( LibUSB_LIBRARY_PATH_SUFFIX lib/gcc )
-        endif ( MSVC )
+        endif ()
     endif ( ${CMAKE_SYSTEM_NAME} STREQUAL "Windows" )
 
     find_library ( usb_LIBRARY
diff --git a/cmake/FindSodium.cmake b/cmake/FindSodium.cmake
index 3c3f124..3655036 100644
--- a/cmake/FindSodium.cmake
+++ b/cmake/FindSodium.cmake
@@ -99,70 +99,7 @@ elseif (WIN32)
         PATH_SUFFIXES include
     )
 
-    if (MSVC)
-        # detect target architecture
-        file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/arch.cpp" [=[
-            #if defined _M_IX86
-            #error ARCH_VALUE x86_32
-            #elif defined _M_X64
-            #error ARCH_VALUE x86_64
-            #endif
-            #error ARCH_VALUE unknown
-        ]=])
-        try_compile(_UNUSED_VAR "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/arch.cpp"
-            OUTPUT_VARIABLE _COMPILATION_LOG
-        )
-        string(REGEX REPLACE ".*ARCH_VALUE ([a-zA-Z0-9_]+).*" "\\1" _TARGET_ARCH "${_COMPILATION_LOG}")
-
-        # construct library path
-        if (_TARGET_ARCH STREQUAL "x86_32")
-            string(APPEND _PLATFORM_PATH "Win32")
-        elseif(_TARGET_ARCH STREQUAL "x86_64")
-            string(APPEND _PLATFORM_PATH "x64")
-        else()
-            message(FATAL_ERROR "the ${_TARGET_ARCH} architecture is not supported by Findsodium.cmake.")
-        endif()
-        string(APPEND _PLATFORM_PATH "/$$CONFIG$$")
-
-        if (MSVC_VERSION LESS 1900)
-            math(EXPR _VS_VERSION "${MSVC_VERSION} / 10 - 60")
-        else()
-            math(EXPR _VS_VERSION "${MSVC_VERSION} / 10 - 50")
-        endif()
-        string(APPEND _PLATFORM_PATH "/v${_VS_VERSION}")
-
-        if (sodium_USE_STATIC_LIBS)
-            string(APPEND _PLATFORM_PATH "/static")
-        else()
-            string(APPEND _PLATFORM_PATH "/dynamic")
-        endif()
-
-        string(REPLACE "$$CONFIG$$" "Debug" _DEBUG_PATH_SUFFIX "${_PLATFORM_PATH}")
-        string(REPLACE "$$CONFIG$$" "Release" _RELEASE_PATH_SUFFIX "${_PLATFORM_PATH}")
-
-        find_library(sodium_LIBRARY_DEBUG libsodium.lib
-            HINTS ${sodium_DIR}
-            PATH_SUFFIXES ${_DEBUG_PATH_SUFFIX}
-        )
-        find_library(sodium_LIBRARY_RELEASE libsodium.lib
-            HINTS ${sodium_DIR}
-            PATH_SUFFIXES ${_RELEASE_PATH_SUFFIX}
-        )
-        if (NOT sodium_USE_STATIC_LIBS)
-            set(CMAKE_FIND_LIBRARY_SUFFIXES_BCK ${CMAKE_FIND_LIBRARY_SUFFIXES})
-            set(CMAKE_FIND_LIBRARY_SUFFIXES ".dll")
-            find_library(sodium_DLL_DEBUG libsodium
-                HINTS ${sodium_DIR}
-                PATH_SUFFIXES ${_DEBUG_PATH_SUFFIX}
-            )
-            find_library(sodium_DLL_RELEASE libsodium
-                HINTS ${sodium_DIR}
-                PATH_SUFFIXES ${_RELEASE_PATH_SUFFIX}
-            )
-            set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES_BCK})
-        endif()
-
-    elseif(_GCC_COMPATIBLE)
+    if(_GCC_COMPATIBLE)
         if (sodium_USE_STATIC_LIBS)
             find_library(sodium_LIBRARY_DEBUG libsodium.a
                 HINTS ${sodium_DIR}
diff --git a/contrib/epee/include/int-util.h b/contrib/epee/include/int-util.h
index 9593882..bf1bb47 100644
--- a/contrib/epee/include/int-util.h
+++ b/contrib/epee/include/int-util.h
@@ -34,10 +34,7 @@
 #include <stdbool.h>
 #include <stdint.h>
 #include <string.h>
-
-#ifndef _MSC_VER
 #include <sys/param.h>
-#endif
 
 #if defined(__ANDROID__)
 #include <byteswap.h>
@@ -47,20 +44,6 @@
 #include <endian.h>
 #endif
 
-#if defined(_MSC_VER)
-#include <stdlib.h>
-
-static inline uint32_t rol32(uint32_t x, int r) {
-  static_assert(sizeof(uint32_t) == sizeof(unsigned int), "this code assumes 32-bit integers");
-  return _rotl(x, r);
-}
-
-static inline uint64_t rol64(uint64_t x, int r) {
-  return _rotl64(x, r);
-}
-
-#else
-
 static inline uint32_t rol32(uint32_t x, int r) {
   return (x << (r & 31)) | (x >> (-r & 31));
 }
@@ -69,8 +52,6 @@ static inline uint64_t rol64(uint64_t x, int r) {
   return (x << (r & 63)) | (x >> (-r & 63));
 }
 
-#endif
-
 static inline uint64_t hi_dword(uint64_t val) {
   return val >> 32;
 }
@@ -255,12 +236,6 @@ static inline void memcpy_swap64(void *dst, const void *src, size_t n) {
   }
 }
 
-#ifdef _MSC_VER
-# define LITTLE_ENDIAN	1234
-# define BIG_ENDIAN	4321
-# define BYTE_ORDER	LITTLE_ENDIAN
-#endif
-
 #if !defined(BYTE_ORDER) || !defined(LITTLE_ENDIAN) || !defined(BIG_ENDIAN)
 static_assert(false, "BYTE_ORDER is undefined. Perhaps, GNU extensions are not enabled");
 #endif
diff --git a/contrib/epee/include/string_tools.h b/contrib/epee/include/string_tools.h
index a8f5055..2a138c7 100644
--- a/contrib/epee/include/string_tools.h
+++ b/contrib/epee/include/string_tools.h
@@ -40,10 +40,6 @@
 	#define OUT
 #endif
 
-#ifdef WINDOWS_PLATFORM
-#pragma comment (lib, "Rpcrt4.lib")
-#endif
-
 namespace epee
 {
 namespace string_tools
diff --git a/contrib/epee/include/warnings.h b/contrib/epee/include/warnings.h
index df5c7d1..213f3b7 100644
--- a/contrib/epee/include/warnings.h
+++ b/contrib/epee/include/warnings.h
@@ -1,16 +1,5 @@
 #pragma once
 
-#if defined(_MSC_VER)
-
-#define PUSH_WARNINGS __pragma(warning(push))
-#define POP_WARNINGS __pragma(warning(pop))
-#define DISABLE_VS_WARNINGS(w) __pragma(warning(disable: w))
-#define DISABLE_GCC_WARNING(w)
-#define DISABLE_CLANG_WARNING(w)
-#define DISABLE_GCC_AND_CLANG_WARNING(w)
-
-#else
-
 #include <boost/preprocessor/stringize.hpp>
 
 #define PUSH_WARNINGS _Pragma("GCC diagnostic push")
@@ -26,5 +15,3 @@
 #endif
 
 #define DISABLE_GCC_AND_CLANG_WARNING(w) _Pragma(BOOST_PP_STRINGIZE(GCC diagnostic ignored BOOST_PP_STRINGIZE(-W##w)))
-
-#endif
diff --git a/contrib/epee/src/memwipe.c b/contrib/epee/src/memwipe.c
index d5d9ae1..d259f3e 100644
--- a/contrib/epee/src/memwipe.c
+++ b/contrib/epee/src/memwipe.c
@@ -38,13 +38,8 @@
 #endif
 #include "memwipe.h"
 
-#if defined(_MSC_VER)
-#define SCARECROW \
-    __asm;
-#else
 #define SCARECROW \
     __asm__ __volatile__("" : : "r"(ptr) : "memory");
-#endif
 
 #ifdef HAVE_MEMSET_S
 
diff --git a/src/common/scoped_message_writer.h b/src/common/scoped_message_writer.h
index fbaf47c..6b95ffe 100644
--- a/src/common/scoped_message_writer.h
+++ b/src/common/scoped_message_writer.h
@@ -70,12 +70,8 @@ public:
 
   scoped_message_writer(scoped_message_writer&& rhs)
     : m_flush(std::move(rhs.m_flush))
-#if defined(_MSC_VER)
-    , m_oss(std::move(rhs.m_oss))
-#else
       // GCC bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54316
     , m_oss(rhs.m_oss.str(), std::ios_base::out | std::ios_base::ate)
-#endif
     , m_color(std::move(rhs.m_color))
     , m_log_level(std::move(rhs.m_log_level))
   {
diff --git a/src/cryptonote_basic/difficulty.cpp b/src/cryptonote_basic/difficulty.cpp
index ca07882..ef94666 100644
--- a/src/cryptonote_basic/difficulty.cpp
+++ b/src/cryptonote_basic/difficulty.cpp
@@ -162,12 +162,6 @@ namespace cryptonote {
     return (low + time_span - 1) / time_span;
   }
 
-#if defined(_MSC_VER)
-#ifdef max
-#undef max
-#endif
-#endif
-
   const difficulty_type max64bit(std::numeric_limits<std::uint64_t>::max());
   const boost::multiprecision::uint256_t max128bit(std::numeric_limits<boost::multiprecision::uint128_t>::max());
   const boost::multiprecision::uint512_t max256bit(std::numeric_limits<boost::multiprecision::uint256_t>::max());
diff --git a/src/wallet/wallet_errors.h b/src/wallet/wallet_errors.h
index 1ca1b21..a451a69 100644
--- a/src/wallet/wallet_errors.h
+++ b/src/wallet/wallet_errors.h
@@ -990,8 +990,6 @@ namespace tools
     };
     //----------------------------------------------------------------------------------------------------
 
-#if !defined(_MSC_VER)
-
     template<typename TException, typename... TArgs>
     [[noreturn]] void throw_wallet_ex(std::string&& loc, const TArgs&... args)
     {
@@ -999,31 +997,6 @@ namespace tools
       LOG_PRINT_L0(e.to_string());
       throw e;
     }
-
-#else
-    #include <boost/preprocessor/repetition/enum_binary_params.hpp>
-    #include <boost/preprocessor/repetition/enum_params.hpp>
-    #include <boost/preprocessor/repetition/repeat_from_to.hpp>
-
-    template<typename TException>
-    [[noreturn]] void throw_wallet_ex(std::string&& loc)
-    {
-      TException e(std::move(loc));
-      LOG_PRINT_L0(e.to_string());
-      throw e;
-    }
-
-#define GEN_throw_wallet_ex(z, n, data)                                                       \
-    template<typename TException, BOOST_PP_ENUM_PARAMS(n, typename TArg)>                     \
-    [[noreturn]] void throw_wallet_ex(std::string&& loc, BOOST_PP_ENUM_BINARY_PARAMS(n, const TArg, &arg)) \
-    {                                                                                         \
-      TException e(std::move(loc), BOOST_PP_ENUM_PARAMS(n, arg));                             \
-      LOG_PRINT_L0(e.to_string());                                                            \
-      throw e;                                                                                \
-    }
-
-    BOOST_PP_REPEAT_FROM_TO(1, 6, GEN_throw_wallet_ex, ~)
-#endif
   }
 }
 
diff --git a/tests/core_tests/chaingen_serialization.h b/tests/core_tests/chaingen_serialization.h
index 8fc3b41..5591b4b 100644
--- a/tests/core_tests/chaingen_serialization.h
+++ b/tests/core_tests/chaingen_serialization.h
@@ -43,40 +43,10 @@ namespace tools
   bool serialize_obj_to_file(t_object& obj, const std::string& file_path)
   {
     TRY_ENTRY();
-#if defined(_MSC_VER)
-    // Need to know HANDLE of file to call FlushFileBuffers
-    HANDLE data_file_handle = ::CreateFile(file_path.c_str(), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
-    if (INVALID_HANDLE_VALUE == data_file_handle)
-      return false;
-
-    int data_file_descriptor = _open_osfhandle((intptr_t)data_file_handle, 0);
-    if (-1 == data_file_descriptor)
-    {
-      ::CloseHandle(data_file_handle);
-      return false;
-    }
-
-    const std::unique_ptr<FILE, tools::close_file> data_file_file{_fdopen(data_file_descriptor, "wb")};
-    if (nullptr == data_file_file)
-    {
-      // Call CloseHandle is not necessary
-      _close(data_file_descriptor);
-      return false;
-    }
-
-    // HACK: undocumented constructor, this code may not compile
-    std::ofstream data_file(data_file_file.get());
-    if (data_file.fail())
-    {
-      // Call CloseHandle and _close are not necessary
-      return false;
-    }
-#else
     std::ofstream data_file;
     data_file.open(file_path , std::ios_base::binary | std::ios_base::out| std::ios::trunc);
     if (data_file.fail())
       return false;
-#endif
 
     boost::archive::portable_binary_oarchive a(data_file);
     a << obj;
@@ -84,10 +54,6 @@ namespace tools
       return false;
 
     data_file.flush();
-#if defined(_MSC_VER)
-    // To make sure the file is fully stored on disk
-    ::FlushFileBuffers(data_file_handle);
-#endif
 
     return true;
     CATCH_ENTRY_L0("serialize_obj_to_file", false);
diff --git a/tests/hash/main.cpp b/tests/hash/main.cpp
index f44aba2..9840be8 100644
--- a/tests/hash/main.cpp
+++ b/tests/hash/main.cpp
@@ -267,11 +267,11 @@ int main(int argc, char *argv[]) {
   CATCH_ENTRY_L0("main", 1);
 }
 
-#if defined(__x86_64__) || (defined(_MSC_VER) && defined(_WIN64))
+#if defined(__x86_64__)
 
 #include <emmintrin.h>
 
-#if defined(_MSC_VER) || defined(__MINGW32__)
+#if defined(__MINGW32__)
   #include <intrin.h>
 #else
   #include <wmmintrin.h>
@@ -281,7 +281,7 @@ int main(int argc, char *argv[]) {
 
 static inline bool test_variant2_int_sqrt_sse(const uint64_t sqrt_input, const uint64_t correct_result)
 {
-#if defined(__x86_64__) || (defined(_MSC_VER) && defined(_WIN64))
+#if defined(__x86_64__)
   uint64_t sqrt_result;
   VARIANT2_INTEGER_MATH_SQRT_STEP_SSE2();
   VARIANT2_INTEGER_MATH_SQRT_FIXUP(sqrt_result);
diff --git a/tests/io.h b/tests/io.h
index 8a0137a..254fbdb 100644
--- a/tests/io.h
+++ b/tests/io.h
@@ -106,28 +106,9 @@ inline void get(std::istream &input, std::vector<char> &res) {
   }
 }
 
-#if !defined(_MSC_VER) || _MSC_VER >= 1800
-
 template<typename T, typename... TT>
 typename std::enable_if<(sizeof...(TT) > 0), void>::type
 get(std::istream &input, T &res, TT &... resres) {
   get(input, res);
   get(input, resres...);
 }
-
-#else
-#include <boost/preprocessor/cat.hpp>
-#include <boost/preprocessor/repetition/enum_binary_params.hpp>
-#include <boost/preprocessor/repetition/enum_params.hpp>
-#include <boost/preprocessor/repetition/repeat.hpp>
-#include <boost/preprocessor/repetition/repeat_from_to.hpp>
-
-#define NESTED_GET(z, n, data) get(input, BOOST_PP_CAT(res, n));
-#define GET(z, n, data) \
-template<BOOST_PP_ENUM_PARAMS(n, typename T)> \
-void get(std::istream &input, BOOST_PP_ENUM_BINARY_PARAMS(n, T, &res)) { \
-  BOOST_PP_REPEAT(n, NESTED_GET, ~) \
-}
-BOOST_PP_REPEAT_FROM_TO(2, 5, GET, ~)
-
-#endif