diff --git a/binding/lua_thread.cpp b/binding/lua_thread.cpp
index fb92840b..d9e3ed66 100644
--- a/binding/lua_thread.cpp
+++ b/binding/lua_thread.cpp
@@ -116,11 +116,6 @@ namespace bee::lua_thread {
         spinlock mutex;
     };
 
-    struct rpc {
-        atomic_semaphore sem = atomic_semaphore(0);
-        void* data           = nullptr;
-    };
-
     static channelmgr g_channel;
     static std::atomic<int> g_thread_id = -1;
     static int THREADID;
@@ -301,28 +296,6 @@ namespace bee::lua_thread {
         return 0;
     }
 
-    static void rpc_metatable(lua_State* L) {}
-
-    static int lrpc_create(lua_State* L) {
-        auto& r = lua::newudata<rpc>(L);
-        lua_pushlightuserdata(L, &r);
-        lua_rotate(L, 1, 1);
-        return 2;
-    }
-
-    static int lrpc_wait(lua_State* L) {
-        auto r = lua::checklightud<struct rpc*>(L, 1);
-        r->sem.acquire();
-        return seri_unpackptr(L, r->data);
-    }
-
-    static int lrpc_return(lua_State* L) {
-        auto r  = lua::checklightud<struct rpc*>(L, 1);
-        r->data = seri_pack(L, 1, NULL);
-        r->sem.release();
-        return 0;
-    }
-
     static void init_threadid(lua_State* L) {
         if (lua_rawgetp(L, LUA_REGISTRYINDEX, &THREADID) != LUA_TNIL) {
             return;
@@ -343,9 +316,6 @@ namespace bee::lua_thread {
             { "reset", lreset },
             { "wait", lwait },
             { "setname", lsetname },
-            { "rpc_create", lrpc_create },
-            { "rpc_wait", lrpc_wait },
-            { "rpc_return", lrpc_return },
             { "preload_module", lua::preload_module },
             { "id", NULL },
             { NULL, NULL },
@@ -366,9 +336,4 @@ namespace bee::lua {
         static inline auto name      = "bee::channel";
         static inline auto metatable = bee::lua_thread::channel_metatable;
     };
-    template <>
-    struct udata<lua_thread::rpc> {
-        static inline auto name      = "bee::rpc";
-        static inline auto metatable = bee::lua_thread::rpc_metatable;
-    };
 }
diff --git a/test/test_thread.lua b/test/test_thread.lua
index bb5ccd8e..eac137f0 100644
--- a/test/test_thread.lua
+++ b/test/test_thread.lua
@@ -293,41 +293,6 @@ function test_thread:test_thread_pop()
     assertNotThreadError()
 end
 
-function test_thread:test_rpc()
-    thread.reset()
-    thread.newchannel "test"
-    local thd = createThread [[
-        local thread = require "bee.thread"
-        local c = thread.channel "test"
-        local quit
-        local cmd = {}
-        function cmd.add(a, b)
-            return a + b
-        end
-        function cmd.exit()
-            quit = true
-            return "ok"
-        end
-        local function dispatch(context, what, ...)
-            thread.rpc_return(context, cmd[what](...))
-            return not quit
-        end
-        while dispatch(c:bpop()) do
-        end
-    ]]
-    local c = thread.channel "test"
-    local function call(...)
-        local r, _ = thread.rpc_create()
-        c:push(r, ...)
-        return thread.rpc_wait(r)
-    end
-    lt.assertEquals(call("add", 1, 2), 3)
-    lt.assertEquals(call("exit"), "ok")
-    thread.wait(thd)
-    assertNotThreadError()
-    thread.reset()
-end
-
 function test_thread:test_sleep()
     local t1 = time.monotonic()
     thread.sleep(1)