diff --git a/app/actions.cpp b/app/actions.cpp
index 698f74df1f..dc2234beba 100644
--- a/app/actions.cpp
+++ b/app/actions.cpp
@@ -31,7 +31,7 @@
 #include <unistd.h>  // for stat()
 #endif
 
-#if defined(_WIN32) || defined(__CYGWIN__)
+#if defined(_WIN32)
 #include <fcntl.h>
 #include <io.h>
 #include <sys/utime.h>
@@ -1669,7 +1669,7 @@ std::string temporaryPath() {
   static int count = 0;
   auto guard = std::scoped_lock(cs);
 
-#if defined(_MSC_VER) || defined(__MINGW__)
+#if defined(_WIN32)
   HANDLE process = 0;
   DWORD pid = ::GetProcessId(process);
 #else
diff --git a/app/exiv2.cpp b/app/exiv2.cpp
index 08c8a66587..f9675b0777 100644
--- a/app/exiv2.cpp
+++ b/app/exiv2.cpp
@@ -21,7 +21,7 @@
 #include <iostream>
 #include <regex>
 
-#if defined(_WIN32) || defined(__CYGWIN__)
+#if defined(_WIN32)
 #include <fcntl.h>
 #include <io.h>
 #include <windows.h>
@@ -942,7 +942,7 @@ static size_t readFileToBuf(FILE* f, Exiv2::DataBuf& buf) {
 void Params::getStdin(Exiv2::DataBuf& buf) {
   // copy stdin to stdinBuf
   if (stdinBuf.empty()) {
-#if defined(_WIN32) || defined(__CYGWIN__) || defined(__MINGW__) || defined(_MSC_VER)
+#if defined(_WIN32)
     DWORD fdwMode;
     _setmode(fileno(stdin), O_BINARY);
     Sleep(300);
@@ -1276,7 +1276,7 @@ bool parseCmdLines(ModifyCmds& modifyCmds, const Params::CmdLines& cmdLines) {
   }
 }  // parseCmdLines
 
-#if defined(_MSC_VER) || defined(__MINGW__)
+#ifdef _WIN32
 static std::string formatArg(const char* arg) {
   std::string result = "";
   char b = ' ';
@@ -1317,7 +1317,7 @@ bool parseLine(ModifyCmd& modifyCmd, const std::string& line, int num) {
   std::string::size_type keyEnd = line.find_first_of(delim, keyStart + 1);
   if (cmdEnd == std::string::npos || keyStart == std::string::npos) {
     std::string cmdLine;
-#if defined(_MSC_VER) || defined(__MINGW__)
+#ifdef _WIN32
     for (int i = 1; i < __argc; i++) {
       cmdLine += std::string(" ") + formatArg(__argv[i]);
     }
diff --git a/include/exiv2/config.h b/include/exiv2/config.h
index bc23b45b7b..e55bd28bbb 100644
--- a/include/exiv2/config.h
+++ b/include/exiv2/config.h
@@ -40,7 +40,7 @@
 #endif
 
 #ifndef __LITTLE_ENDIAN__
-#if defined(_MSC_VER) || defined(__CYGWIN__) || defined(__MINGW__)
+#if defined(_WIN32) || defined(__CYGWIN__)
 #define __LITTLE_ENDIAN__ 1
 #endif
 #endif
@@ -62,7 +62,7 @@
 
 ///// Path separator macros      /////
 #ifndef EXV_SEPARATOR_STR
-#if defined(_WIN32) && !defined(__CYGWIN__)
+#if defined(_WIN32)
 #define EXV_SEPARATOR_STR "\\"
 #define EXV_SEPARATOR_CHR '\\'
 #else
diff --git a/samples/geotag.cpp b/samples/geotag.cpp
index 2e98aeb828..e50023f513 100644
--- a/samples/geotag.cpp
+++ b/samples/geotag.cpp
@@ -11,15 +11,9 @@
 #include <filesystem>
 #include <iostream>
 
-#if defined(__MINGW32__) || defined(__MINGW64__)
-#ifndef __MINGW__
-#define __MINGW__
-#endif
-#endif
-
 using namespace std;
 
-#if defined(_MSC_VER) || defined(__MINGW__)
+#ifdef _WIN32
 #include <windows.h>
 char* realpath(const char* file, char* path);
 #define lstat _stat
@@ -384,7 +378,7 @@ int timeZoneAdjust() {
   [[maybe_unused]] time_t now = time(nullptr);
   int offset;
 
-#if defined(_MSC_VER) || defined(__MINGW__)
+#if defined(_WIN32)
   TIME_ZONE_INFORMATION TimeZoneInfo;
   GetTimeZoneInformation(&TimeZoneInfo);
   offset = -(((int)TimeZoneInfo.Bias + (int)TimeZoneInfo.DaylightBias) * 60);
diff --git a/src/basicio.cpp b/src/basicio.cpp
index 673c939921..d377e6d22b 100644
--- a/src/basicio.cpp
+++ b/src/basicio.cpp
@@ -37,7 +37,7 @@
 #include <curl/curl.h>
 #endif
 
-#if defined(__MINGW__) || defined(_MSC_VER)
+#ifdef _WIN32
 #define mode_t unsigned short
 #include <io.h>
 #include <windows.h>
@@ -85,7 +85,7 @@ class FileIo::Impl {
   FILE* fp_{};             //!< File stream pointer
   OpMode opMode_{opSeek};  //!< File open mode
 
-#if defined _WIN32 && !defined __CYGWIN__
+#if defined _WIN32
   HANDLE hFile_{};  //!< Duplicated fd
   HANDLE hMap_{};   //!< Handle from CreateFileMapping
 #endif
@@ -196,7 +196,7 @@ int FileIo::munmap() {
     if (::munmap(p_->pMappedArea_, p_->mappedLength_) != 0) {
       rc = 1;
     }
-#elif defined _WIN32 && !defined __CYGWIN__
+#elif defined _WIN32
     UnmapViewOfFile(p_->pMappedArea_);
     CloseHandle(p_->hMap_);
     p_->hMap_ = 0;
@@ -243,7 +243,7 @@ byte* FileIo::mmap(bool isWriteable) {
   }
   p_->pMappedArea_ = static_cast<byte*>(rc);
 
-#elif defined _WIN32 && !defined __CYGWIN__
+#elif defined _WIN32
   // Windows implementation
 
   // TODO: An attempt to map a file with a length of 0 (zero) fails with
@@ -937,7 +937,7 @@ std::string XPathIo::writeDataToFile(const std::string& orgPath) {
   if (prot == pStdin) {
     if (isatty(fileno(stdin)))
       throw Error(ErrorCode::kerInputDataReadFailed);
-#if defined(_MSC_VER) || defined(__MINGW__)
+#ifdef _WIN32
     // convert stdin to binary
     if (_setmode(_fileno(stdin), _O_BINARY) == -1)
       throw Error(ErrorCode::kerInputDataReadFailed);
diff --git a/src/convert.cpp b/src/convert.cpp
index 06b12a69ea..89ea4aa590 100644
--- a/src/convert.cpp
+++ b/src/convert.cpp
@@ -21,7 +21,7 @@
 #include <algorithm>
 #include <iomanip>
 
-#if defined _WIN32 && !defined __CYGWIN__
+#if defined _WIN32
 #include <windows.h>
 #endif
 
@@ -47,7 +47,7 @@ namespace {
 #if defined EXV_HAVE_ICONV
 // Convert string charset with iconv.
 bool convertStringCharsetIconv(std::string& str, const char* from, const char* to);
-#elif defined _WIN32 && !defined __CYGWIN__
+#elif defined _WIN32
 // Convert string charset with Windows functions.
 bool convertStringCharsetWindows(std::string& str, const char* from, const char* to);
 #endif
@@ -1397,7 +1397,7 @@ bool convertStringCharset(std::string& str, const char* from, const char* to) {
   bool ret = false;
 #if defined EXV_HAVE_ICONV
   ret = convertStringCharsetIconv(str, from, to);
-#elif defined _WIN32 && !defined __CYGWIN__
+#elif defined _WIN32
   ret = convertStringCharsetWindows(str, from, to);
 #else
 #ifndef SUPPRESS_WARNINGS
@@ -1413,7 +1413,7 @@ bool convertStringCharset(std::string& str, const char* from, const char* to) {
 namespace {
 using namespace Exiv2;
 
-#if defined _WIN32 && !defined __CYGWIN__
+#if defined _WIN32
 bool swapBytes(std::string& str) {
   // Naive byte-swapping, I'm sure this can be done more efficiently
   if (str.size() & 1) {
@@ -1558,7 +1558,7 @@ const ConvFctList convFctList[] = {
   return ret;
 }
 
-#endif  // defined _WIN32 && !defined __CYGWIN__
+#endif  // defined _WIN32
 #if defined EXV_HAVE_ICONV
 bool convertStringCharsetIconv(std::string& str, const char* from, const char* to) {
   if (0 == strcmp(from, to))
diff --git a/src/http.cpp b/src/http.cpp
index 44b5503bf5..e1fa9121f7 100644
--- a/src/http.cpp
+++ b/src/http.cpp
@@ -2,7 +2,7 @@
 
 #include "config.h"
 
-#if defined(_MSC_VER) || defined(__CYGWIN__) || defined(__MINGW__)
+#if defined(_WIN32) || defined(__CYGWIN__)
 #define __USE_W32_SOCKETS
 #include <winsock2.h>
 #endif
@@ -18,7 +18,7 @@
 ////////////////////////////////////////
 // platform specific code
 
-#if defined(__CYGWIN__) || defined(_MSC_VER) || defined(__MINGW__)
+#if defined(_WIN32) || defined(__CYGWIN__)
 #else
 ////////////////////////////////////////
 // Unix or Mac
@@ -122,7 +122,7 @@ static Exiv2::Dictionary stringToDict(const std::string& s) {
 }
 
 static int makeNonBlocking(int sockfd) {
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__CYGWIN__)
   ULONG ioctl_opt = 1;
   return ioctlsocket(sockfd, FIONBIO, &ioctl_opt);
 #else
@@ -147,7 +147,7 @@ int Exiv2::http(Exiv2::Dictionary& request, Exiv2::Dictionary& response, std::st
 
   ////////////////////////////////////
   // Windows specific code
-#if defined(_WIN32) || defined(_MSC_VER) || defined(__MINGW__) || defined(__CYGWIN__)
+#if defined(_WIN32) || defined(__CYGWIN__)
   WSADATA wsaData;
   WSAStartup(MAKEWORD(2, 2), &wsaData);
 #endif
diff --git a/src/makernote_int.cpp b/src/makernote_int.cpp
index 2cc7fb42d4..dc94478a4f 100644
--- a/src/makernote_int.cpp
+++ b/src/makernote_int.cpp
@@ -21,7 +21,7 @@
 
 namespace fs = std::filesystem;
 
-#if !defined(_MSC_VER) && !defined(__MINGW__)
+#if !defined(_WIN32)
 #include <pwd.h>
 #include <unistd.h>
 #else
@@ -54,7 +54,7 @@ namespace Exiv2::Internal {
 // If not found in cwd, we return the default path
 // which is the user profile path on win and the home dir on linux
 std::string getExiv2ConfigPath() {
-#if defined(_MSC_VER) || defined(__MINGW__)
+#ifdef _WIN32
   std::string inifile("exiv2.ini");
 #else
   std::string inifile(".exiv2");
@@ -65,7 +65,7 @@ std::string getExiv2ConfigPath() {
     return iniPath.string();
   }
 
-#if defined(_MSC_VER) || defined(__MINGW__)
+#ifdef _WIN32
   char buffer[1024];
   if (SUCCEEDED(SHGetFolderPathA(nullptr, CSIDL_PROFILE, nullptr, 0, buffer))) {
     currentPath = buffer;
diff --git a/src/version.cpp b/src/version.cpp
index 15fd1d7794..04f5fcb786 100644
--- a/src/version.cpp
+++ b/src/version.cpp
@@ -32,7 +32,7 @@
 #endif
 
 // platform specific support for getLoadedLibraries
-#if defined(__CYGWIN__) || defined(__MINGW__) || defined(_WIN32)
+#if defined(_WIN32) || defined(__CYGWIN__)
 // clang-format off
 #include <windows.h>
 #include <psapi.h>
@@ -119,7 +119,7 @@ static std::vector<std::string> getLoadedLibraries() {
   std::set<std::string> paths;
   std::string path;
 
-#if defined(_WIN32) || defined(__CYGWIN__) || defined(__MINGW__)
+#if defined(_WIN32) || defined(__CYGWIN__)
   // enumerate loaded libraries and determine path to executable
   HMODULE handles[200];
   DWORD cbNeeded;