diff --git a/win32/mkexports.rb b/win32/mkexports.rb
index 86ba979..ebd0d08 100755
--- a/win32/mkexports.rb
+++ b/win32/mkexports.rb
@@ -151,14 +151,6 @@ end
 
 class Exports::Mingw32 < Exports::Cygwin
   def each_export(objs)
-    super
-    yield "strcasecmp", "_stricmp"
-    yield "strncasecmp", "_strnicmp"
-  end
-end
-
-class Exports::Mingw64 < Exports::Cygwin
-  def each_export(objs)
     objdump(objs) do |l|
       next if /@.*@/ =~ l
       yield $2, !$1 if /\s(?:(T)|[[:upper:]])\s_?((?!Init_|.*_threadptr_|DllMain[@\n]).*)$/ =~ l