diff --git a/.vimrc b/.vimrc
index 12ff452..c4d3fa7 100644
--- a/.vimrc
+++ b/.vimrc
@@ -19,6 +19,8 @@ call vundle#begin()
     Plugin 'ervandew/supertab'
     Plugin 'scrooloose/nerdtree'
     Plugin 'Align'
+    Plugin 'tomtom/tlib_vim' " dependency of flashdevelop
+    Plugin 'endel/flashdevelop.vim'
 
 call vundle#end()            " required
 
diff --git a/install.sh b/install.sh
index 9c7792c..3d4ec9b 100755
--- a/install.sh
+++ b/install.sh
@@ -4,6 +4,11 @@ BACKUP_DIR="$HOME/.dotfiles_backup"
 BASE_DIR="$HOME/.dotfiles"
 INCLUDE=".bashrc .bash_profile .vimrc .vim .screenrc .tmux.conf"
 
+if [[ -d "$BACKUP_DIR" ]] ; then
+    echo "removing previous backup at $BACKUP_DIR"
+    rm -rf "$BACKUP_DIR"
+fi
+
 echo "backing up existing dotfiles into $BACKUP_DIR"
 mkdir -p "$BACKUP_DIR"
 for FNAME in $INCLUDE; do