diff --git a/src/core/platform/web/ajax.js b/src/core/platform/web/ajax.js
deleted file mode 100644
index 5ec028df2..000000000
--- a/src/core/platform/web/ajax.js
+++ /dev/null
@@ -1,22 +0,0 @@
-// BI请求
-_.extend(BI, {
-
-    ajax: function (option) {
-        option || (option = {});
-        var async = option.async;
-        option.data = BI.cjkEncodeDO(option.data || {});
-
-        $.ajax({
-            url: option.url,
-            type: "POST",
-            data: option.data,
-            async: async,
-            error: option.error,
-            complete: function (res, status) {
-                if (BI.isFunction(option.complete)) {
-                    option.complete(BI.jsonDecode(res.responseText), status);
-                }
-            }
-        });
-    }
-});
\ No newline at end of file