diff --git a/.bash_profile b/.bash_profile
index 8ae473c..9b3f368 100644
--- a/.bash_profile
+++ b/.bash_profile
@@ -15,9 +15,6 @@ export LSCOLORS=ExFxCxDxBxegedabagacad
 # Custom $PATH with extra locations.
 export PATH=/usr/local/bin:/usr/local/sbin:$HOME/bin:/usr/local/git/bin:$HOME/.composer/vendor/bin:$PATH
 
-# Flush DNS cache (See: http://support.apple.com/kb/ht5343).
-alias flush-dns='sudo killall -HUP mDNSResponder'
-
 # Include alias file (if present) containing aliases for ssh, etc.
 if [ -f ~/.bash_aliases ]
 then
@@ -71,8 +68,8 @@ fi
 export PATH="$brew_prefix/opt/php56/bin:$PATH"
 
 # Use nvm.
-export NVM_DIR="$HOME/.nvm"
-. "$brew_prefix/opt/nvm/nvm.sh"
+# export NVM_DIR="$HOME/.nvm"
+# . "$brew_prefix/opt/nvm/nvm.sh"
 
 # Vagrant configuration.
 # export VAGRANT_DEFAULT_PROVIDER='virtualbox'
@@ -106,3 +103,18 @@ prod_command_trap () {
 }
 shopt -s extdebug
 trap prod_command_trap DEBUG
+
+function blt() {
+  if [ "`git rev-parse --show-cdup 2> /dev/null`" != "" ]; then
+    GIT_ROOT=$(git rev-parse --show-cdup)
+  else
+    GIT_ROOT="."
+  fi
+
+  if [ -f "$GIT_ROOT/vendor/bin/blt" ]; then
+    $GIT_ROOT/vendor/bin/blt "$@"
+  else
+    echo "You must run this command from within a BLT-generated project repository."
+    exit 1
+  fi
+}