diff --git a/debian/postrm b/debian/postrm
deleted file mode 100644
index 6b941544..00000000
--- a/debian/postrm
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/sh -e
-
-PKG="byobu"
-
-if [ -x "/usr/bin/screen.real" ]; then
-	dpkg-divert --package "$PKG" --rename --remove /usr/bin/screen
-fi
-
-#DEBHELPER#
diff --git a/debian/preinst b/debian/preinst
index 597e1169..c6769bdf 100644
--- a/debian/preinst
+++ b/debian/preinst
@@ -5,6 +5,9 @@ PKG="byobu"
 if [ -x "/usr/bin/screen.real" ]; then
 	# Byobu used to divert the real /usr/bin/screen, but we don't
 	# do this anymore; clean up old diversion if upgrading
+	if ls -alF /usr/bin/screen | grep -qs "/usr/bin/screen -> byobu"; then
+		rm -f /usr/bin/screen
+	fi
         dpkg-divert --package "$PKG" --rename --remove /usr/bin/screen
 fi