diff --git a/configure.ac b/configure.ac
index 4efdbb76..d5c6a2f0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -81,7 +81,7 @@ esac
 
 fi
 
-AC_MSG_CHECKING([uname -s for Cygwin, Solaris, AIX or HPUX])
+AC_MSG_CHECKING([uname -s for Solaris, AIX or HPUX])
 OSNAME=`uname -s`
 case "$OSNAME" in
         HP-UX*)
@@ -96,10 +96,6 @@ case "$OSNAME" in
 			AC_MSG_RESULT(already using newer HPUX)
 		fi
 	;;
-	CYGWIN*)
-		AC_MSG_RESULT(Cygwin)
-		CYGWIN=yes
-	;;
 	SunOS*)
 		AC_MSG_RESULT(SunOS or Solaris)
 		AC_DEFINE(__EXTENSIONS__, 1, [This is needed to use strtok_r on Solaris.])