diff --git a/DashboardWorkplace/src/style.less b/DashboardWorkplace/src/style.less
index f2e1640bbf042275b85d58c4a03d8c6051283f74..3306e0afaa2f4e3d55b13c4de607e0fa6e81b151 100644
--- a/DashboardWorkplace/src/style.less
+++ b/DashboardWorkplace/src/style.less
@@ -1,5 +1,28 @@
 @import '~antd/lib/style/themes/default.less';
-@import './utils.less';
+
+.textOverflow() {
+  overflow: hidden;
+  white-space: nowrap;
+  text-overflow: ellipsis;
+  word-break: break-all;
+}
+
+// mixins for clearfix
+// ------------------------
+.clearfix() {
+  zoom: 1;
+  &::before,
+  &::after {
+    display: table;
+    content: ' ';
+  }
+  &::after {
+    clear: both;
+    height: 0;
+    font-size: 0;
+    visibility: hidden;
+  }
+}
 
 .activitiesList {
   padding: 0 24px 8px 24px;
diff --git a/DashboardWorkplace/src/utils.less b/DashboardWorkplace/src/utils.less
deleted file mode 100644
index de1aa64222b6f14328d3a9e3c262ac5a31cce5af..0000000000000000000000000000000000000000
--- a/DashboardWorkplace/src/utils.less
+++ /dev/null
@@ -1,50 +0,0 @@
-.textOverflow() {
-  overflow: hidden;
-  white-space: nowrap;
-  text-overflow: ellipsis;
-  word-break: break-all;
-}
-
-.textOverflowMulti(@line: 3, @bg: #fff) {
-  position: relative;
-  max-height: @line * 1.5em;
-  margin-right: -1em;
-  padding-right: 1em;
-  overflow: hidden;
-  line-height: 1.5em;
-  text-align: justify;
-  &::before {
-    position: absolute;
-    right: 14px;
-    bottom: 0;
-    padding: 0 1px;
-    background: @bg;
-    content: '...';
-  }
-  &::after {
-    position: absolute;
-    right: 14px;
-    width: 1em;
-    height: 1em;
-    margin-top: 0.2em;
-    background: white;
-    content: '';
-  }
-}
-
-// mixins for clearfix
-// ------------------------
-.clearfix() {
-  zoom: 1;
-  &::before,
-  &::after {
-    display: table;
-    content: ' ';
-  }
-  &::after {
-    clear: both;
-    height: 0;
-    font-size: 0;
-    visibility: hidden;
-  }
-}