You may meet this error on home directory.
% npm uninstall appium
npm WARN uninstall not installed in /Users/hrt0kmt/node_modules: "appium"
You must uninstall npm package on directory which contains same node_modules.
% cd /Users/hrt0kmt/.nodebrew/node/v0.12.7/lib
dtrace
node_modules
% sudo npm uninstall appium
Password:
unbuild appium@1.4.10
Success !!