diff --git a/mkfiles.pl b/mkfiles.pl
index b48c0a79..78818321 100755
--- a/mkfiles.pl
+++ b/mkfiles.pl
@@ -396,7 +396,7 @@ if (defined $makefiles{'cygwin'}) {
 	       "\n".
     "LDFLAGS = -mno-cygwin -s\n".
     &splitline("RCFLAGS = \$(RCINC) --define WIN32=1 --define _WIN32=1".
-      " --define WINVER=0x0400 --define MINGW32_FIX=1")."\n".
+      " --define WINVER=0x0400")."\n".
     "\n".
     $makefile_extra{'cygwin'}->{'vars'} .
     "\n".
diff --git a/windows/rcstuff.h b/windows/rcstuff.h
index 5b2fc3b0..1936f7d4 100644
--- a/windows/rcstuff.h
+++ b/windows/rcstuff.h
@@ -30,8 +30,4 @@
 #define RT_MANIFEST 24
 #endif
 
-#ifdef MINGW32_FIX
-#define EDITTEXT     EDITTEXT "",
-#endif
-
 #endif /* PUTTY_RCSTUFF_H */