diff --git a/adb/sysdeps.h b/adb/sysdeps.h
index 3be99f6..fe0ecd6 100644
--- a/adb/sysdeps.h
+++ b/adb/sysdeps.h
@@ -41,16 +41,8 @@
 
 // Some printf-like functions are implemented in terms of
 // android::base::StringAppendV, so they should use the same attribute for
-// compile-time format string checking. On Windows, if the mingw version of
-// vsnprintf is used in StringAppendV, use `gnu_printf' which allows z in %zd
-// and PRIu64 (and related) to be recognized by the compile-time checking.
+// compile-time format string checking.
 #define ADB_FORMAT_ARCHETYPE __printf__
-#ifdef __USE_MINGW_ANSI_STDIO
-#if __USE_MINGW_ANSI_STDIO
-#undef ADB_FORMAT_ARCHETYPE
-#define ADB_FORMAT_ARCHETYPE gnu_printf
-#endif
-#endif
 
 #ifdef _WIN32
 
diff --git a/base/include/android-base/stringprintf.h b/base/include/android-base/stringprintf.h
index 1fd6297..517e69e 100644
--- a/base/include/android-base/stringprintf.h
+++ b/base/include/android-base/stringprintf.h
@@ -24,17 +24,8 @@
 namespace base {
 
 // These printf-like functions are implemented in terms of vsnprintf, so they
-// use the same attribute for compile-time format string checking. On Windows,
-// if the mingw version of vsnprintf is used, use `gnu_printf' which allows z
-// in %zd and PRIu64 (and related) to be recognized by the compile-time
-// checking.
+// use the same attribute for compile-time format string checking.
 #define ANDROID_BASE_FORMAT_ARCHETYPE __printf__
-#ifdef __USE_MINGW_ANSI_STDIO
-#if __USE_MINGW_ANSI_STDIO
-#undef ANDROID_BASE_FORMAT_ARCHETYPE
-#define ANDROID_BASE_FORMAT_ARCHETYPE gnu_printf
-#endif
-#endif
 
 // Returns a string corresponding to printf-like formatting of the arguments.
 std::string StringPrintf(const char* fmt, ...)
diff --git a/fastboot/fastboot.h b/fastboot/fastboot.h
index 2935eb5..dc822e8 100644
--- a/fastboot/fastboot.h
+++ b/fastboot/fastboot.h
@@ -78,17 +78,8 @@
 void set_verbose();
 
 // These printf-like functions are implemented in terms of vsnprintf, so they
-// use the same attribute for compile-time format string checking. On Windows,
-// if the mingw version of vsnprintf is used, use `gnu_printf' which allows z
-// in %zd and PRIu64 (and related) to be recognized by the compile-time
-// checking.
+// use the same attribute for compile-time format string checking.
 #define FASTBOOT_FORMAT_ARCHETYPE __printf__
-#ifdef __USE_MINGW_ANSI_STDIO
-#if __USE_MINGW_ANSI_STDIO
-#undef FASTBOOT_FORMAT_ARCHETYPE
-#define FASTBOOT_FORMAT_ARCHETYPE gnu_printf
-#endif
-#endif
 void die(const char* fmt, ...) __attribute__((__noreturn__))
 __attribute__((__format__(FASTBOOT_FORMAT_ARCHETYPE, 1, 2)));
 void verbose(const char* fmt, ...) __attribute__((__format__(FASTBOOT_FORMAT_ARCHETYPE, 1, 2)));
diff --git a/liblog/include/android/log.h b/liblog/include/android/log.h
index 52cbe8b..ee9220d 100644
--- a/liblog/include/android/log.h
+++ b/liblog/include/android/log.h
@@ -115,16 +115,8 @@
  */
 int __android_log_print(int prio, const char* tag, const char* fmt, ...)
 #if defined(__GNUC__)
-#ifdef __USE_MINGW_ANSI_STDIO
-#if __USE_MINGW_ANSI_STDIO
-    __attribute__((__format__(gnu_printf, 3, 4)))
-#else
     __attribute__((__format__(printf, 3, 4)))
 #endif
-#else
-    __attribute__((__format__(printf, 3, 4)))
-#endif
-#endif
     ;
 
 /**
@@ -133,16 +125,8 @@
  */
 int __android_log_vprint(int prio, const char* tag, const char* fmt, va_list ap)
 #if defined(__GNUC__)
-#ifdef __USE_MINGW_ANSI_STDIO
-#if __USE_MINGW_ANSI_STDIO
-    __attribute__((__format__(gnu_printf, 3, 0)))
-#else
     __attribute__((__format__(printf, 3, 0)))
 #endif
-#else
-    __attribute__((__format__(printf, 3, 0)))
-#endif
-#endif
     ;
 
 /**
@@ -164,16 +148,8 @@
                           ...)
 #if defined(__GNUC__)
     __attribute__((__noreturn__))
-#ifdef __USE_MINGW_ANSI_STDIO
-#if __USE_MINGW_ANSI_STDIO
-    __attribute__((__format__(gnu_printf, 3, 4)))
-#else
     __attribute__((__format__(printf, 3, 4)))
 #endif
-#else
-    __attribute__((__format__(printf, 3, 4)))
-#endif
-#endif
     ;
 
 #ifndef log_id_t_defined