postcss-clean-prefixes

Though, please use autoprefixer as part of your build process to ensure proper browser support.

Installation

npm install --save postcss-clean-prefixes

Usage

var postcss = require("postcss");
var processors = [
	require("postcss-clean-prefixes"),
];

postcss(processors).process(myCss).css

Input

.flex {
	display: -webkit-flex;
	display: -moz-flex;
	-webkit-flex: 1;
}

Output

.flex {
	display: flex;
	flex: 1;
}