diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index b980f245..82c37f0f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -187,7 +187,7 @@ target_compile_definitions(test_cluster_client PUBLIC -D__MOCK__)
 target_include_directories(test_cluster_client PUBLIC ${CMAKE_SOURCE_DIR}/src/mock)
 
 ## test_blockstore, test_shit
-#add_executable(test_blockstore test_blockstore.cpp timerfd_interval.cpp)
+#add_executable(test_blockstore test_blockstore.cpp)
 #target_link_libraries(test_blockstore blockstore)
 #add_executable(test_shit test_shit.cpp osd_peering_pg.cpp)
 #target_link_libraries(test_shit ${LIBURING_LIBRARIES} m)
diff --git a/src/test_blockstore.cpp b/src/test_blockstore.cpp
index d1a1ae88..16af03ef 100644
--- a/src/test_blockstore.cpp
+++ b/src/test_blockstore.cpp
@@ -2,7 +2,6 @@
 // License: VNPL-1.1 (see README.md for details)
 
 #include <malloc.h>
-#include "timerfd_interval.h"
 #include "blockstore.h"
 
 int main(int narg, char *args[])
@@ -13,10 +12,6 @@ int main(int narg, char *args[])
     config["data_device"] = "./test_data.bin";
     ring_loop_t *ringloop = new ring_loop_t(512);
     blockstore_t *bs = new blockstore_t(config, ringloop);
-    timerfd_interval tick_tfd(ringloop, 1, []()
-    {
-        printf("tick 1s\n");
-    });
 
     blockstore_op_t op;
     int main_state = 0;
diff --git a/src/timerfd_interval.cpp b/src/timerfd_interval.cpp
deleted file mode 100644
index b18b1149..00000000
--- a/src/timerfd_interval.cpp
+++ /dev/null
@@ -1,64 +0,0 @@
-// Copyright (c) Vitaliy Filippov, 2019+
-// License: VNPL-1.1 or GNU GPL-2.0+ (see README.md for details)
-
-#include <sys/timerfd.h>
-#include <sys/poll.h>
-#include <unistd.h>
-#include "timerfd_interval.h"
-
-timerfd_interval::timerfd_interval(ring_loop_t *ringloop, int seconds, std::function<void(void)> cb)
-{
-    wait_state = 0;
-    timerfd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK);
-    if (timerfd < 0)
-    {
-        throw std::runtime_error(std::string("timerfd_create: ") + strerror(errno));
-    }
-    struct itimerspec exp = {
-        .it_interval = { seconds, 0 },
-        .it_value = { seconds, 0 },
-    };
-    if (timerfd_settime(timerfd, 0, &exp, NULL))
-    {
-        throw std::runtime_error(std::string("timerfd_settime: ") + strerror(errno));
-    }
-    consumer.loop = [this]() { loop(); };
-    ringloop->register_consumer(&consumer);
-    this->ringloop = ringloop;
-    this->callback = cb;
-}
-
-timerfd_interval::~timerfd_interval()
-{
-    ringloop->unregister_consumer(&consumer);
-    close(timerfd);
-}
-
-void timerfd_interval::loop()
-{
-    if (wait_state == 1)
-    {
-        return;
-    }
-    struct io_uring_sqe *sqe = ringloop->get_sqe();
-    if (!sqe)
-    {
-        wait_state = 0;
-        return;
-    }
-    struct ring_data_t *data = ((ring_data_t*)sqe->user_data);
-    my_uring_prep_poll_add(sqe, timerfd, POLLIN);
-    data->callback = [&](ring_data_t *data)
-    {
-        if (data->res < 0)
-        {
-            throw std::runtime_error(std::string("waiting for timer failed: ") + strerror(-data->res));
-        }
-        uint64_t n;
-        read(timerfd, &n, 8);
-        wait_state = 0;
-        callback();
-    };
-    wait_state = 1;
-    ringloop->submit();
-}
diff --git a/src/timerfd_interval.h b/src/timerfd_interval.h
deleted file mode 100644
index 9e4f4a17..00000000
--- a/src/timerfd_interval.h
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright (c) Vitaliy Filippov, 2019+
-// License: VNPL-1.1 or GNU GPL-2.0+ (see README.md for details)
-
-#pragma once
-
-#include "ringloop.h"
-
-class timerfd_interval
-{
-    int wait_state;
-    int timerfd;
-    ring_loop_t *ringloop;
-    ring_consumer_t consumer;
-    std::function<void(void)> callback;
-public:
-    timerfd_interval(ring_loop_t *ringloop, int seconds, std::function<void(void)> cb);
-    ~timerfd_interval();
-    void loop();
-};