diff --git a/build/compiler.js b/build/compiler.js
index ef6f0257..4d53495e 100644
--- a/build/compiler.js
+++ b/build/compiler.js
@@ -8,15 +8,15 @@ const rename = require('gulp-rename');
 const isProduction = process.env.NODE_ENV === 'production';
 const src = path.join(__dirname, '../packages');
 const dist = path.join(__dirname, isProduction ? '../dist' : '../example/dist');
-const ext = ['js', 'ts', 'pcss', 'json', 'wxml'];
+const ext = ['js', 'ts', 'css', 'json', 'wxml'];
 
 function copy(ext) {
   return gulp.src([src + '/**/*.' + ext]).pipe(gulp.dest(dist));
 }
 
-gulp.task('compile-pcss', () => {
+gulp.task('compile-css', () => {
   return gulp
-    .src([src + '/**/*.pcss'])
+    .src([src + '/**/*.css'])
     .pipe(postcss())
     .pipe(cssmin())
     .pipe(
diff --git a/dist/area/index.js b/dist/area/index.js
index aadacf9e..5ab503a7 100644
--- a/dist/area/index.js
+++ b/dist/area/index.js
@@ -61,13 +61,13 @@ VantComponent({
           displayColumns = _this$data2.displayColumns;
       var index = pickerValue.findIndex(function (item, index) {
         return item !== value[index];
-      }); // 没有变更 或 选中项序号小于0 不处理
+      });
+      var values = displayColumns[index];
 
-      if (index < 0 || value[index] < 0) {
+      if (!value[index] || !values[value[index]]) {
         return;
       }
 
-      var values = displayColumns[index];
       this.code = values[value[index]].code;
       this.setValues();
       this.$emit('change', {
@@ -113,7 +113,7 @@ VantComponent({
       return 0;
     },
     setValues: function setValues() {
-      var code = this.code || Object.keys(this.data.areaList.county_list)[0] || '';
+      var code = this.code || Object.keys(this.data.areaList.county_list || {})[0] || '';
       var province = this.getList('province');
       var city = this.getList('city', code.slice(0, 2));
       this.setData({
diff --git a/package.json b/package.json
index d1e18d40..c4826d36 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,6 @@
     "gulp-rename": "^1.2.2",
     "html-webpack-plugin": "^3.2.0",
     "postcss-calc": "^6.0.2",
-    "postcss-easy-import": "^3.0.0",
     "postcss-loader": "^3.0.0",
     "precss": "^3.1.2",
     "progress-bar-webpack-plugin": "^1.11.0",
diff --git a/packages/action-sheet/index.pcss b/packages/action-sheet/index.css
similarity index 92%
rename from packages/action-sheet/index.pcss
rename to packages/action-sheet/index.css
index f31e8eaa..5b62239d 100644
--- a/packages/action-sheet/index.pcss
+++ b/packages/action-sheet/index.css
@@ -1,5 +1,5 @@
-@import '../common/style/var.pcss';
-@import '../common/style/hairline.pcss';
+@import '../common/style/var.css';
+@import '../common/style/hairline.css';
 
 .van-action-sheet {
   color: $text-color;
diff --git a/packages/area/index.pcss b/packages/area/index.css
similarity index 96%
rename from packages/area/index.pcss
rename to packages/area/index.css
index 44bfbabe..a427a137 100644
--- a/packages/area/index.pcss
+++ b/packages/area/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-picker {
   -webkit-text-size-adjust: 100%; /* avoid iOS text size adjust */
diff --git a/packages/area/index.ts b/packages/area/index.ts
index 90aa7f8f..250e9de1 100644
--- a/packages/area/index.ts
+++ b/packages/area/index.ts
@@ -70,7 +70,6 @@ VantComponent({
       const index = pickerValue.findIndex((item, index) => item !== value[index]);
       const values = displayColumns[index];
 
-      // 没有变更 或 选中项序号小于0 不处理
       if (!value[index] || !values[value[index]]) {
         return;
       }
diff --git a/packages/badge-group/index.css b/packages/badge-group/index.css
new file mode 100644
index 00000000..a9e2b9d2
--- /dev/null
+++ b/packages/badge-group/index.css
@@ -0,0 +1,6 @@
+@import '../common/style/var.css';
+@import '../common/style/hairline.css';
+
+.van-badge-group {
+  width: 85px;
+}
diff --git a/packages/badge-group/index.pcss b/packages/badge-group/index.pcss
deleted file mode 100644
index 347d613e..00000000
--- a/packages/badge-group/index.pcss
+++ /dev/null
@@ -1,6 +0,0 @@
-@import '../common/style/var.pcss';
-@import '../common/style/hairline.pcss';
-
-.van-badge-group {
-  width: 85px;
-}
diff --git a/packages/badge/index.pcss b/packages/badge/index.css
similarity index 92%
rename from packages/badge/index.pcss
rename to packages/badge/index.css
index cacba174..9ed32d25 100644
--- a/packages/badge/index.pcss
+++ b/packages/badge/index.css
@@ -1,5 +1,5 @@
-@import '../common/style/var.pcss';
-@import '../common/style/hairline.pcss';
+@import '../common/style/var.css';
+@import '../common/style/hairline.css';
 
 .van-badge {
   display: block;
diff --git a/packages/button/index.pcss b/packages/button/index.css
similarity index 98%
rename from packages/button/index.pcss
rename to packages/button/index.css
index ff3c600a..9c235cf0 100644
--- a/packages/button/index.pcss
+++ b/packages/button/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-button {
   position: relative;
diff --git a/packages/card/index.pcss b/packages/card/index.css
similarity index 93%
rename from packages/card/index.pcss
rename to packages/card/index.css
index 6dfca8f6..01917fe1 100644
--- a/packages/card/index.pcss
+++ b/packages/card/index.css
@@ -1,5 +1,5 @@
-@import '../common/style/var.pcss';
-@import '../common/style/mixins/ellipsis.pcss';
+@import '../common/style/var.css';
+@import '../common/style/mixins/ellipsis.css';
 
 .van-card {
   color: $text-color;
diff --git a/packages/cell-group/index.css b/packages/cell-group/index.css
new file mode 100644
index 00000000..0bc00af8
--- /dev/null
+++ b/packages/cell-group/index.css
@@ -0,0 +1,2 @@
+@import '../common/style/var.css';
+@import '../common/style/hairline.css';
diff --git a/packages/cell-group/index.pcss b/packages/cell-group/index.pcss
deleted file mode 100644
index b0989df2..00000000
--- a/packages/cell-group/index.pcss
+++ /dev/null
@@ -1,2 +0,0 @@
-@import '../common/style/var.pcss';
-@import '../common/style/hairline.pcss';
diff --git a/packages/cell/index.pcss b/packages/cell/index.css
similarity index 93%
rename from packages/cell/index.pcss
rename to packages/cell/index.css
index 3528eced..38311792 100644
--- a/packages/cell/index.pcss
+++ b/packages/cell/index.css
@@ -1,5 +1,5 @@
-@import '../common/style/var.pcss';
-@import '../common/style/hairline.pcss';
+@import '../common/style/var.css';
+@import '../common/style/hairline.css';
 
 .van-cell {
   width: 100%;
diff --git a/packages/col/index.pcss b/packages/col/index.css
similarity index 100%
rename from packages/col/index.pcss
rename to packages/col/index.css
diff --git a/packages/common/index.css b/packages/common/index.css
new file mode 100644
index 00000000..6347e66d
--- /dev/null
+++ b/packages/common/index.css
@@ -0,0 +1,8 @@
+/**	
+ * Entry of basic styles	
+ */	
+
+@import "./style/var.css";	
+@import "./style/ellipsis.css";	
+@import "./style/clearfix.css";	
+@import "./style/hairline.css";
diff --git a/packages/common/index.pcss b/packages/common/index.pcss
deleted file mode 100644
index 0c594808..00000000
--- a/packages/common/index.pcss
+++ /dev/null
@@ -1,8 +0,0 @@
-/**	
- * Entry of basic styles	
- */	
-
-@import "./style/var.pcss";	
-@import "./style/ellipsis.pcss";	
-@import "./style/clearfix.pcss";	
-@import "./style/hairline.pcss";
diff --git a/packages/common/style/clearfix.pcss b/packages/common/style/clearfix.css
similarity index 54%
rename from packages/common/style/clearfix.pcss
rename to packages/common/style/clearfix.css
index 9561f1ff..0619a156 100644
--- a/packages/common/style/clearfix.pcss
+++ b/packages/common/style/clearfix.css
@@ -1,4 +1,4 @@
-@import './mixins/clearfix.pcss';
+@import './mixins/clearfix.css';
 
 .van-clearfix {
   @include clearfix;
diff --git a/packages/common/style/ellipsis.pcss b/packages/common/style/ellipsis.css
similarity index 82%
rename from packages/common/style/ellipsis.pcss
rename to packages/common/style/ellipsis.css
index 7103ea39..fc6ce80b 100644
--- a/packages/common/style/ellipsis.pcss
+++ b/packages/common/style/ellipsis.css
@@ -1,4 +1,4 @@
-@import './mixins/ellipsis.pcss';
+@import './mixins/ellipsis.css';
 
 .van-ellipsis {
   @include ellipsis;
diff --git a/packages/common/style/hairline.pcss b/packages/common/style/hairline.css
similarity index 94%
rename from packages/common/style/hairline.pcss
rename to packages/common/style/hairline.css
index 8a3537a6..90b2fcc7 100644
--- a/packages/common/style/hairline.pcss
+++ b/packages/common/style/hairline.css
@@ -1,4 +1,4 @@
-@import "./mixins/hairline.pcss";
+@import "./mixins/hairline.css";
 
 .van-hairline,
 .van-hairline--top,
diff --git a/packages/common/style/mixins/clearfix.pcss b/packages/common/style/mixins/clearfix.css
similarity index 100%
rename from packages/common/style/mixins/clearfix.pcss
rename to packages/common/style/mixins/clearfix.css
diff --git a/packages/common/style/mixins/ellipsis.pcss b/packages/common/style/mixins/ellipsis.css
similarity index 100%
rename from packages/common/style/mixins/ellipsis.pcss
rename to packages/common/style/mixins/ellipsis.css
diff --git a/packages/common/style/mixins/hairline.pcss b/packages/common/style/mixins/hairline.css
similarity index 100%
rename from packages/common/style/mixins/hairline.pcss
rename to packages/common/style/mixins/hairline.css
diff --git a/packages/common/style/var.pcss b/packages/common/style/var.css
similarity index 100%
rename from packages/common/style/var.pcss
rename to packages/common/style/var.css
diff --git a/packages/dialog/index.pcss b/packages/dialog/index.css
similarity index 91%
rename from packages/dialog/index.pcss
rename to packages/dialog/index.css
index fb5de1f7..147f9d00 100644
--- a/packages/dialog/index.pcss
+++ b/packages/dialog/index.css
@@ -1,5 +1,5 @@
-@import '../common/style/var.pcss';
-@import '../common/style/hairline.pcss';
+@import '../common/style/var.css';
+@import '../common/style/hairline.css';
 
 .van-dialog {
   width: 85%;
diff --git a/packages/field/index.pcss b/packages/field/index.css
similarity index 97%
rename from packages/field/index.pcss
rename to packages/field/index.css
index 4638021f..f92931d7 100644
--- a/packages/field/index.pcss
+++ b/packages/field/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-field {
   &__body {
diff --git a/packages/icon/index.pcss b/packages/icon/index.css
similarity index 99%
rename from packages/icon/index.pcss
rename to packages/icon/index.css
index 010b295c..0ffbec34 100644
--- a/packages/icon/index.pcss
+++ b/packages/icon/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 @font-face {
   font-style: normal;
diff --git a/packages/loading/index.pcss b/packages/loading/index.css
similarity index 96%
rename from packages/loading/index.pcss
rename to packages/loading/index.css
index 53f0f922..4f2ac435 100644
--- a/packages/loading/index.pcss
+++ b/packages/loading/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-loading {
   z-index: 0;
diff --git a/packages/nav-bar/index.pcss b/packages/nav-bar/index.css
similarity index 95%
rename from packages/nav-bar/index.pcss
rename to packages/nav-bar/index.css
index f9acffe7..7ff27bc1 100644
--- a/packages/nav-bar/index.pcss
+++ b/packages/nav-bar/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-nav-bar {
   height: 46px;
diff --git a/packages/notice-bar/index.pcss b/packages/notice-bar/index.css
similarity index 100%
rename from packages/notice-bar/index.pcss
rename to packages/notice-bar/index.css
diff --git a/packages/notify/index.pcss b/packages/notify/index.css
similarity index 85%
rename from packages/notify/index.pcss
rename to packages/notify/index.css
index c04e3064..d0203e45 100644
--- a/packages/notify/index.pcss
+++ b/packages/notify/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-notify {
   top: 0;
diff --git a/packages/overlay/index.pcss b/packages/overlay/index.css
similarity index 100%
rename from packages/overlay/index.pcss
rename to packages/overlay/index.css
diff --git a/packages/panel/index.pcss b/packages/panel/index.css
similarity index 61%
rename from packages/panel/index.pcss
rename to packages/panel/index.css
index d9c38844..a4c57368 100644
--- a/packages/panel/index.pcss
+++ b/packages/panel/index.css
@@ -1,5 +1,5 @@
-@import '../common/style/var.pcss';
-@import '../common/style/hairline.pcss';
+@import '../common/style/var.css';
+@import '../common/style/hairline.css';
 
 .van-panel {
   background: $white;
diff --git a/packages/popup/index.pcss b/packages/popup/index.css
similarity index 98%
rename from packages/popup/index.pcss
rename to packages/popup/index.css
index 8284c3c9..b139ef01 100644
--- a/packages/popup/index.pcss
+++ b/packages/popup/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-popup {
   top: 50%;
diff --git a/packages/progress/index.pcss b/packages/progress/index.css
similarity index 94%
rename from packages/progress/index.pcss
rename to packages/progress/index.css
index aadbef09..95694546 100644
--- a/packages/progress/index.pcss
+++ b/packages/progress/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-progress {
   height: 4px;
diff --git a/packages/radio-group/index.pcss b/packages/radio-group/index.css
similarity index 95%
rename from packages/radio-group/index.pcss
rename to packages/radio-group/index.css
index b000b913..f1267f97 100644
--- a/packages/radio-group/index.pcss
+++ b/packages/radio-group/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 $van-radio-size: 20px;
 
diff --git a/packages/radio/index.pcss b/packages/radio/index.css
similarity index 95%
rename from packages/radio/index.pcss
rename to packages/radio/index.css
index 7ba26c83..412ad6d2 100644
--- a/packages/radio/index.pcss
+++ b/packages/radio/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 $van-radio-size: 20px;
 
diff --git a/packages/row/index.pcss b/packages/row/index.css
similarity index 100%
rename from packages/row/index.pcss
rename to packages/row/index.css
diff --git a/packages/search/index.pcss b/packages/search/index.css
similarity index 94%
rename from packages/search/index.pcss
rename to packages/search/index.css
index 2bbd4c81..20cc2bcd 100644
--- a/packages/search/index.pcss
+++ b/packages/search/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-search {
   display: flex;
diff --git a/packages/slider/index.pcss b/packages/slider/index.css
similarity index 94%
rename from packages/slider/index.pcss
rename to packages/slider/index.css
index 85203a66..e11fa1ab 100644
--- a/packages/slider/index.pcss
+++ b/packages/slider/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-slider {
   position: relative;
diff --git a/packages/stepper/index.pcss b/packages/stepper/index.css
similarity index 97%
rename from packages/stepper/index.pcss
rename to packages/stepper/index.css
index 4e286e0a..99ad7652 100644
--- a/packages/stepper/index.pcss
+++ b/packages/stepper/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-stepper {
   font-size: 0;
diff --git a/packages/steps/index.pcss b/packages/steps/index.css
similarity index 97%
rename from packages/steps/index.pcss
rename to packages/steps/index.css
index 568986a7..dfa284e7 100644
--- a/packages/steps/index.pcss
+++ b/packages/steps/index.css
@@ -1,5 +1,5 @@
-@import '../common/style/var.pcss';
-@import '../common/style/hairline.pcss';
+@import '../common/style/var.css';
+@import '../common/style/hairline.css';
 
 .van-steps {
   overflow: hidden;
diff --git a/packages/submit-bar/index.pcss b/packages/submit-bar/index.css
similarity index 94%
rename from packages/submit-bar/index.pcss
rename to packages/submit-bar/index.css
index 74c32ad4..8de9241e 100644
--- a/packages/submit-bar/index.pcss
+++ b/packages/submit-bar/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-submit-bar {
   z-index: 100;
diff --git a/packages/switch-cell/index.pcss b/packages/switch-cell/index.css
similarity index 75%
rename from packages/switch-cell/index.pcss
rename to packages/switch-cell/index.css
index b168a917..14b5da06 100644
--- a/packages/switch-cell/index.pcss
+++ b/packages/switch-cell/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-switch-cell {
   padding-top: 8px;
diff --git a/packages/switch/index.pcss b/packages/switch/index.css
similarity index 95%
rename from packages/switch/index.pcss
rename to packages/switch/index.css
index 2e5435f3..6aa5fae6 100644
--- a/packages/switch/index.pcss
+++ b/packages/switch/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-switch {
   height: 1em;
diff --git a/packages/tabbar-item/index.pcss b/packages/tabbar-item/index.css
similarity index 94%
rename from packages/tabbar-item/index.pcss
rename to packages/tabbar-item/index.css
index 42df0536..b7176400 100644
--- a/packages/tabbar-item/index.pcss
+++ b/packages/tabbar-item/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-tabbar-item {
   float: left;
diff --git a/packages/tabbar/index.pcss b/packages/tabbar/index.css
similarity index 79%
rename from packages/tabbar/index.pcss
rename to packages/tabbar/index.css
index 5c82251b..56a627a4 100644
--- a/packages/tabbar/index.pcss
+++ b/packages/tabbar/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-tabbar {
   width: 100%;
diff --git a/packages/tabs/index.pcss b/packages/tabs/index.css
similarity index 95%
rename from packages/tabs/index.pcss
rename to packages/tabs/index.css
index 901214fc..96aac54f 100644
--- a/packages/tabs/index.pcss
+++ b/packages/tabs/index.css
@@ -1,5 +1,5 @@
-@import '../common/style/var.pcss';
-@import '../common/style/hairline.pcss';
+@import '../common/style/var.css';
+@import '../common/style/hairline.css';
 
 $van-tabs-line-height: 44px;
 $van-tabs-card-height: 30px;
diff --git a/packages/tag/index.pcss b/packages/tag/index.css
similarity index 90%
rename from packages/tag/index.pcss
rename to packages/tag/index.css
index 367d2397..93d2f924 100644
--- a/packages/tag/index.pcss
+++ b/packages/tag/index.css
@@ -1,5 +1,5 @@
-@import '../common/style/var.pcss';
-@import '../common/style/hairline.pcss';
+@import '../common/style/var.css';
+@import '../common/style/hairline.css';
 
 .van-tag {
   display: inline-block;
diff --git a/packages/toast/index.pcss b/packages/toast/index.css
similarity index 95%
rename from packages/toast/index.pcss
rename to packages/toast/index.css
index df7a5a0b..1532deae 100644
--- a/packages/toast/index.pcss
+++ b/packages/toast/index.css
@@ -1,4 +1,4 @@
-@import '../common/style/var.pcss';
+@import '../common/style/var.css';
 
 .van-toast {
   display: flex;
diff --git a/packages/transition/index.pcss b/packages/transition/index.css
similarity index 100%
rename from packages/transition/index.pcss
rename to packages/transition/index.css
diff --git a/packages/tree-select/index.pcss b/packages/tree-select/index.css
similarity index 91%
rename from packages/tree-select/index.pcss
rename to packages/tree-select/index.css
index 1a2e6702..99397d80 100644
--- a/packages/tree-select/index.pcss
+++ b/packages/tree-select/index.css
@@ -1,5 +1,5 @@
-@import '../common/style/var.pcss';
-@import '../common/style/ellipsis.pcss';
+@import '../common/style/var.css';
+@import '../common/style/ellipsis.css';
 
 .tree-select {
   user-select: none;
diff --git a/postcss.config.js b/postcss.config.js
index f5a00bec..77528b22 100644
--- a/postcss.config.js
+++ b/postcss.config.js
@@ -1,8 +1,5 @@
 module.exports = {
   plugins: {
-    'postcss-easy-import': {
-      extensions: ['.wxss', '.css', '.pcss']
-    },
     'precss': {},
     'postcss-calc': {},
     'autoprefixer': {}
diff --git a/yarn.lock b/yarn.lock
index 6929395b..1e5bb9f6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4774,7 +4774,7 @@ pbkdf2@^3.0.3:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
-pify@^2.0.0, pify@^2.3.0:
+pify@^2.0.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
 
@@ -4915,19 +4915,6 @@ postcss-dir-pseudo-class@^3.0.0:
     postcss "^6.0.20"
     postcss-selector-parser "^3.1.1"
 
-postcss-easy-import@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/postcss-easy-import/-/postcss-easy-import-3.0.0.tgz#8eaaf5ae59566083d0cae98735dfd803e3ab194d"
-  dependencies:
-    globby "^6.1.0"
-    is-glob "^4.0.0"
-    lodash "^4.17.4"
-    object-assign "^4.0.1"
-    pify "^3.0.0"
-    postcss "^6.0.11"
-    postcss-import "^10.0.0"
-    resolve "^1.1.7"
-
 postcss-extend-rule@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/postcss-extend-rule/-/postcss-extend-rule-1.1.0.tgz#11e4d590ffe4253b853ef1fc03be7167da607d38"
@@ -4953,16 +4940,6 @@ postcss-font-variant@^3.0.0:
   dependencies:
     postcss "^6.0.1"
 
-postcss-import@^10.0.0:
-  version "10.0.0"
-  resolved "https://registry.yarnpkg.com/postcss-import/-/postcss-import-10.0.0.tgz#4c85c97b099136cc5ea0240dc1dfdbfde4e2ebbe"
-  dependencies:
-    object-assign "^4.0.1"
-    postcss "^6.0.1"
-    postcss-value-parser "^3.2.3"
-    read-cache "^1.0.0"
-    resolve "^1.1.7"
-
 postcss-initial@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/postcss-initial/-/postcss-initial-2.0.0.tgz#72715f7336e0bb79351d99ee65c4a253a8441ba4"
@@ -5325,12 +5302,6 @@ rc@^1.0.1, rc@^1.1.6, rc@^1.2.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-read-cache@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/read-cache/-/read-cache-1.0.0.tgz#e664ef31161166c9751cdbe8dbcf86b5fb58f774"
-  dependencies:
-    pify "^2.3.0"
-
 read-pkg-up@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-3.0.0.tgz#3ed496685dba0f8fe118d0691dc51f4a1ff96f07"