diff --git a/bashrc b/bashrc
index 6d9d9afd..34fe3ad3 100755
--- a/bashrc
+++ b/bashrc
@@ -377,16 +377,6 @@ geoiplookup $1
 # Checks which package the command comes from. Copied from the ultimate bashrc http://goo.gl/qGK5j
 function cmdpkg() { PACKAGE=$(dpkg -S $(which $1) | cut -d':' -f1); echo "[${PACKAGE}]"; dpkg -s "${PACKAGE}" ;}
 
-# ROT13, copied from the ultimate bashrc http://goo.gl/qGK5j
-function rot13()
-{
-    if [ $# -lt 1 ] || [ $# -gt 1 ]; then
-        echo "Seriously?  You don't know what rot13 does?"
-    else
-        echo $@ | tr A-Za-z N-ZA-Mn-za-m
-    fi
-}
-
 # Down for everyone or just me? Copied from the ultimate bashrc http://goo.gl/qGK5j
 function downforme() {
 	RED='\e[1;31m'
diff --git a/recommends b/recommends
index a920c1f2..55752e31 100755
--- a/recommends
+++ b/recommends
@@ -16,3 +16,5 @@ if [ ! -f /usr/share/doc/popularity-contest/copyright ]
 then
     echo "You might want to install popularity-contest. See http://popcon.debian.org/" && echo "If you aren't on Linux you can ignore this."
 fi
+
+command -v \rot13 >/dev/null 2>&1 || { echo >&2 "rot13 was removed from bashrc & zshrc, because it's provided by bsdgames. You might want to install it."; }
\ No newline at end of file
diff --git a/zshrc b/zshrc
index c770173d..6acebf6e 100755
--- a/zshrc
+++ b/zshrc
@@ -326,16 +326,6 @@ geoiplookup $1
 # Checks which package the command comes from. Copied from the ultimate bashrc http://goo.gl/qGK5j
 function cmdpkg() { PACKAGE=$(dpkg -S $(which $1) | cut -d':' -f1); echo "[${PACKAGE}]"; dpkg -s "${PACKAGE}" ;}
 
-# ROT13, copied from the ultimate bashrc http://goo.gl/qGK5j
-function rot13()
-{
-    if [ $# -lt 1 ] || [ $# -gt 1 ]; then
-        echo "Seriously?  You don't know what rot13 does?"
-    else
-        echo $@ | tr A-Za-z N-ZA-Mn-za-m
-    fi
-}
-
 # Down for everyone or just me? Copied from the ultimate bashrc http://goo.gl/qGK5j
 function downforme() {
 	RED='\e[1;31m'