diff --git a/configure.ac b/configure.ac
index 54056ba58..2d261db24 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1858,7 +1858,6 @@ if test "x$XWIN" = xyes; then
 			dnl if we have windowswmproto, build rootless extension for multwindowextwm mode
 			if test "x$WINDOWSWM" = xyes ; then
 			       AC_DEFINE(ROOTLESS,1,[Build Rootless code])
-			       CFLAGS="$CFLAGS -DROOTLESS_WORKAROUND"
 			fi
 			;;
 		mingw*)