diff --git a/a8/a8.h b/a8/a8.h
index 01cb2d2..059f421 100644
--- a/a8/a8.h
+++ b/a8/a8.h
@@ -16,7 +16,6 @@
 #include <a8/list.h>
 #include <a8/xvalue.h>
 #include <a8/xobject.h>
-#include <a8/xparams.h>
 #include <a8/timer_attacher.h>
 
 #include <a8/strutils.h>
diff --git a/a8/xparams.h b/a8/xparams.h
deleted file mode 100644
index 56932ed..0000000
--- a/a8/xparams.h
+++ /dev/null
@@ -1,51 +0,0 @@
-#pragma once
-
-namespace a8
-{
-
-    class XParams
-    {
-    public:
-
-        template <typename T>
-        a8::XParams& SetSender(T val)
-        {
-            sender.Set(val);
-            return *this;
-        }
-
-        template <typename T>
-        a8::XParams& SetParam1(T val)
-        {
-            param1.Set(val);
-            return *this;
-        }
-
-        template <typename T>
-        a8::XParams& SetParam2(T val)
-        {
-            param2.Set(val);
-            return *this;
-        }
-
-        template <typename T>
-        a8::XParams& SetParam3(T val)
-        {
-            param3.Set(val);
-            return *this;
-        }
-
-        void DeepCopy(a8::XParams& to)
-        {
-            to = *this;
-        }
-
-    public:
-        a8::XValue sender;
-        a8::XValue param1;
-        a8::XValue param2;
-        a8::XValue param3;
-        long long _sys_field = 0;
-    };
-
-}