diff --git a/zshrc b/zshrc
index 13cb162..23a202d 100644
--- a/zshrc
+++ b/zshrc
@@ -239,117 +239,15 @@ massif(){
 }
 
 upgrade () {
-  if [ ! $1 ] ; then
-        if [ `uname` = "Darwin" ]; then
-            osx_upgrade_local
-        elif [ `uname -o` = "GNU/Linux" ]; then
-            debian_upgrade_local
-        else
-            print "I don't know what can I do for this type of machine"
-        fi
-  elif [[ $1 = "help" || $1 = "--help" || $1 = "-h" ]] ; then
-        print "local usage for upgrading Mac OS X or debian systems including fink and darwin ports: upgrade and clean"
-        print 'remote usage: upgrade $debian_server'
-  elif [ $1 ]; then
-        if [[ `ssh $1 uname -o 2&>/dev/null` = "GNU/Linux" ]] ; then
-            debian_upgrade_remote $1
-        elif [[ `ssh $1 uname 2&>/dev/null` = "Darwin" ]] ; then
-            osx_upgrade_remote $1
-        else
-            print "$1 is not a debian nor an osx machine"
-            print "please implement an upgrade function for this kind of machine!"
-        fi
-    fi
-}
-
-osx_upgrade_local () {
     if [ -x /usr/local/bin/brew ] ; then
         brew update
         brew upgrade --all
         brew cleanup
     fi
-    if [ -x /sw/bin/fink ] ; then
-        sudo fink selfupdate
-        sudo fink update-all
-        sudo fink cleanup
-    fi
-    if [ -x /opt/local/bin/port ] ; then
-        sudo port -d selfupdate
-        sudo port -ucRvpt upgrade installed
-        sudo port clean --all installed
-        if [ -x /opt/local/bin/gem ] ; then
-            sudo /opt/local/bin/gem update
-        fi
-        sudo port uninstall inactive
-    fi
-    if [ -d /Library/Application\ Support/TextMate/Bundles ]; then
-        pushd /Library/Application\ Support/TextMate/Bundles
-        svn up *.tmbundle
-        popd
-        osascript -e 'tell app "TextMate" to reload bundles'        
-    fi
     pupgrade
     cupgrade
 }
 
-debian_upgrade_local (){
-  sudo apt-get update && sudo apt-get -u upgrade
-  sudo apt-get clean
-  pupgrade
-  cupgrade
-}
-
-osx_upgrade_remote (){
-    if [ ! $1 ]; then
-        print "usage: osx_upgrade_remote $osx_server"
-        print "Perhaps you want osx_upgrade_local ?"
-    else
-    local OSX_UP
-    local FINK_UP
-    local DARWINPORTS_UP
-        until [[ $OSX_UP == 'y' || $OSX_UP == 'n' ]]; do
-        print -n "Process osx upgrade on $1 (y/n)?"
-        read -q OSX_UP
-        done;
-        until [[ $FINK_UP == 'y' || $FINK_UP == 'n' ]]; do
-        print -n "Process fink upgrade on $1 (y/n)?"
-        read -q FINK_UP
-        done;
-        until [[ $DARWINPORTS_UP == 'y' || $DARWINPORTS_UP == 'n' ]]; do
-        print -n "Process darwinports upgrade on $1 (y/n)?"
-        read -q DARWINPORTS_UP
-        done;
-    if [[ $OSX_UP == "y" ]] ; then
-    fi
-    if [[ $FINK_UP == "y" ]] ; then
-      ssh $1 -t /usr/bin/sudo /sw/bin/fink selfupdate 
-            ssh $1 -t /usr/bin/sudo /sw/bin/fink update-all 
-            ssh $1 -t /usr/bin/sudo /sw/bin/fink cleanup
-    fi
-    if [[ $DARWINPORTS_UP == "y" ]] ; then
-      ssh $1 -t /usr/bin/sudo /opt/local/bin/port selfupdate 
-            ssh $1 -t /usr/bin/sudo /opt/local/bin/port upgrade installed
-            ssh $1 -t /usr/bin/sudo /opt/local/bin/port clean --all installed
-    fi
-  fi
-}
-
-debian_upgrade_remote (){
-    if [ ! $1 ]; then
-        print "usage: debian_upgrade_remote $debian_server"
-        print "Perhaps you want debian_upgrade_local ?"
-    else
-    ssh $1 -t sudo apt-get update
-    ssh $1 -t "sudo apt-get -s upgrade"
-    local dummy
-    print -n "Process the upgrade y/n ?"
-    read -q dummy
-    if [[ $dummy == "y" ]] ; then
-      ssh $1 -t "sudo apt-get -u upgrade --yes && sudo apt-get clean"
-    fi
-  fi
-}
-
 function tree(){
     find . | sed -e 's/[^\/]*\//|--/g' -e 's/-- |/    |/g' | $PAGER
 }