diff --git a/zsh/zshrc b/zsh/zshrc
index aec28d9..5fde14d 100755
--- a/zsh/zshrc
+++ b/zsh/zshrc
@@ -82,6 +82,8 @@ setopt autopushd
 bindkey -v
 bindkey -M vicmd v edit-command-line
 
+export KEYTIMEOUT=1
+
 # Affiche le mode (normal ou insert) dans le prompt de droite
 function zle-line-init zle-keymap-select
 {
@@ -121,7 +123,7 @@ fi
 export PS1='%m%{$fg[$COLOR]%}:%{$reset_color%}%~${vcs_info_msg_0_}%{$fg[$COLOR]%}%#%{$reset_color%} '
 export PS2="%_> "
 
-export PATH="${PATH}:${HOME}/.gem/ruby/1.9.1/bin"
+export PATH="${PATH}:${HOME}/.gem/ruby/2.3.0/bin"
 
 export LESS_TERMCAP_mb=$'\E[01;31m' # begin blinking
 export LESS_TERMCAP_md=$'\E[01;31m' # begin bold
@@ -131,20 +133,6 @@ export LESS_TERMCAP_se=$'\E[0m' # end standout-mode
 export LESS_TERMCAP_us=$'\E[01;32m' # begin underline
 export LESS_TERMCAP_ue=$'\E[0m' # end underline
 
-# rbenv initialisation and ruby optimisations
-export RBENV_ROOT="${HOME}/.rbenv"
-
-if [ -d "${RBENV_ROOT}" ]; then
-  export PATH="${RBENV_ROOT}/bin:${PATH}"
-  eval "$(rbenv init -)"
-fi
-
-export RUBY_GC_HEAP_INIT_SLOTS=800000
-export RUBY_HEAP_FREE_MIN=100000
-export RUBY_HEAP_SLOTS_INCREMENT=300000
-export RUBY_HEAP_SLOTS_GROWTH_FACTOR=1
-export RUBY_GC_MALLOC_LIMIT=79000000
-
 precmd() {
     [ -t 0 ] && print -Pn "\33]2;%(!.[ROOT] .)%m:%~ | ${COLUMNS}x${LINES} | %y\007"
     vcs_info
@@ -203,6 +191,13 @@ function send_infocmp() {
     infocmp rxvt-unicode-256color | ssh $REMOTE "mkdir -p .terminfo && cat >/tmp/ti && tic /tmp/ti"
 }
 
+function fake_git() {
+  TIME=$1; shift
+  DATE=$(date +"%a %b %d $TIME:%S %Y %z")
+
+  GIT_COMMITTER_DATE=$DATE git commit --date=$DATE "$@"
+}
+
 trap "source ~/.zshrc && rehash" USR1
 
 loadkeychain