diff --git a/.travis.yml b/.travis.yml
index 4bf0ce7..666a74e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ node_js:
   - "12"
   - "14"
 
-script: yarn ci
+script: yarn test
 
 after_success:
   - cat ./coverage/lcov.info | node_modules/.bin/coveralls --verbose
diff --git a/package.json b/package.json
index eba647d..1099afa 100644
--- a/package.json
+++ b/package.json
@@ -25,12 +25,11 @@
     "prettier": "prettier -l --ignore-path .gitignore .",
     "eslint": "eslint --ignore-path .gitignore .",
     "lint": "yarn eslint && yarn prettier",
-    "pretest": "yarn lint",
-    "test": "jest",
     "test:only": "jest",
     "test:watch": "jest --watch",
     "test:coverage": "jest --coverage --collectCoverageFrom=\"src/**/*\"",
-    "test:ci": "yarn pretest && yarn cover",
+    "pretest": "yarn lint",
+    "test": "yarn test:coverage",
     "prepublishOnly": "yarn test"
   },
   "dependencies": {
diff --git a/src/index.js b/src/index.js
index 9e1836d..1f2271c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -508,15 +508,6 @@ module.exports = (options = {}) => {
           return;
         }
 
-        if (
-          rule.nodes &&
-          rule.selector.slice(0, 2) === "--" &&
-          rule.selector.slice(-1) === ":"
-        ) {
-          // ignore custom property set
-          return;
-        }
-
         const context = localizeNode(rule, options.mode, localAliasMap);
 
         context.options = options;