diff --git a/js/meta-parser.js b/js/meta-parser.js
index 5a0aa734..10058ceb 100644
--- a/js/meta-parser.js
+++ b/js/meta-parser.js
@@ -5,12 +5,6 @@ const metaParser = (() => {
   require(['/vendor/usercss-meta/usercss-meta.min']); /* global usercssMeta */
   const {createParser, ParseError} = usercssMeta;
   const PREPROCESSORS = new Set(['default', 'uso', 'stylus', 'less']);
-  /** Relaxed semver:
-   * dot-separated digits sequence e.g. 1 or 1.2 or 1.2.3.4.5
-   * optional pre-release chunk: "-" followed by dot-separated word characters, "-"
-   * optional build chunk: "+" followed by dot-separated word characters, "-"
-   */
-  const RX_VER = /^\d+(\.\d+)*(?:-(\w[-\w]*(\.[-\w]+)*))?(?:\+(\w[-\w]*(\.[-\w]+)*))?$/;
   const options = {
     validateKey: {
       preprocessor: state => {
@@ -22,15 +16,6 @@ const metaParser = (() => {
           });
         }
       },
-      version: state => {
-        if (!RX_VER.test(state.value)) {
-          throw new ParseError({
-            code: 'invalidVersion',
-            message: 'Invalid @version',
-            index: state.valueIndex,
-          });
-        }
-      },
     },
     validateVar: {
       select: state => {