diff --git a/style/components/affix.less b/style/components/affix.less
new file mode 100644
index 0000000000..c5e8cca7b1
--- /dev/null
+++ b/style/components/affix.less
@@ -0,0 +1,3 @@
+.ant-affix {
+  position: fixed;
+}
diff --git a/style/components/index.less b/style/components/index.less
index b570a8feb1..9f1713900a 100644
--- a/style/components/index.less
+++ b/style/components/index.less
@@ -30,3 +30,4 @@
 @import "carousel/slick";
 @import "carousel/slick-theme";
 @import "menu";
+@import "affix";
diff --git a/style/core/base.less b/style/core/base.less
index eac808bfa2..f0df124a9d 100644
--- a/style/core/base.less
+++ b/style/core/base.less
@@ -98,6 +98,3 @@ a {
 .invisible {
   visibility: hidden;
 }
-.affix {
-  position: fixed;
-}