diff --git a/src/styles/base.less b/src/styles/base.less
index c19d86d0..48d40a03 100644
--- a/src/styles/base.less
+++ b/src/styles/base.less
@@ -1,13 +1,3 @@
-html, body {
-    width: 100%;
-    height: 100%;
-    position: relative;
-    background-color: @color_body;
-    font-family: @font-default;
-    font-weight: 400;
-    font-size: 14px;
-}
-
 .app {
     position: relative;
     min-height: 100vh;
diff --git a/src/styles/header.less b/src/styles/header.less
deleted file mode 100644
index b3a680e9..00000000
--- a/src/styles/header.less
+++ /dev/null
@@ -1,37 +0,0 @@
-header {
-    width: 100%;
-    height: 52px;
-    background: @color_header;
-
-    svg {
-        fill: @color_white;
-        height: 28px;
-        width: 100px;
-        flex: 1;
-    }
-
-    .layout-wrapper {
-        width: 100%;
-        height: 100%;
-        max-width: 1170px;
-        margin: 0 auto;
-        padding: 0 32px;
-        display: flex;
-        align-items: center;
-    }
-
-    a, a:visited {
-        color: @color_white;
-        margin-left: 24px;
-        .hover();
-        
-        &:first-child {
-            margin: 0px;
-        }
-
-        &:hover,
-        &:active {
-            color: @color_text_secondary;
-        }
-    }
-}
diff --git a/src/styles/index.less b/src/styles/index.less
index 23b95022..56948856 100644
--- a/src/styles/index.less
+++ b/src/styles/index.less
@@ -2,7 +2,6 @@
 @import './colors.less';
 @import './mixins.less';
 @import './base.less';
-@import './header.less';
 @import './aside.less';
 @import './content.less';
 @import './modal.less';