diff --git a/services/include/concurrent_task_controller.h b/services/include/concurrent_task_controller.h
index d0a7acd811c8730fc2576a1b0f066131ac6fe8bc..837a0d3a7fd8670e6729de24a854a4731f0ad9ed 100644
--- a/services/include/concurrent_task_controller.h
+++ b/services/include/concurrent_task_controller.h
@@ -39,7 +39,6 @@ public:
     void QueryDeadline(int queryItem, DeadlineReply& ddlReply, const Json::Value& payload);
     void Init();
     void Release();
-    int CreateNewRtgGrp(int prioType, int rtNum);
 
 private:
     bool CheckUid(pid_t uid);
@@ -106,4 +105,4 @@ private:
 } // namespace ConcurrentTask
 } // namespace OHOS
 
-#endif // CONCURRENT_TASK_SERVICES_CONCURRENTSEVICE_INCLUDE_CONCURRENT_TASK_CONTROLLER_H
+#endif // CONCURRENT_TASK_SERVICES_CONCURRENTSEVICE_INCLUDE_CONCURRENT_TASK_CONTROLLER_H
\ No newline at end of file
diff --git a/services/src/concurrent_task_controller.cpp b/services/src/concurrent_task_controller.cpp
index 9d82fcf2c2d82f44c9f2bbcc067e09493ef8fd05..5d56ab4b2bc0cdee4a3b8ba17fc9597e47648d44 100644
--- a/services/src/concurrent_task_controller.cpp
+++ b/services/src/concurrent_task_controller.cpp
@@ -13,16 +13,14 @@
  * limitations under the License.
  */
 
-#include <fcntl.h>
-#include <securec.h>
-#include <sys/ioctl.h>
-#include <sys/resource.h>
 #include <unistd.h>
+#include <cinttypes>
+#include <sys/resource.h>
+#include <sched.h>
 #include <linux/sched.h>
-
-#include "concurrent_task_log.h"
 #include "rtg_interface.h"
 #include "ipc_skeleton.h"
+#include "concurrent_task_log.h"
 #include "parameters.h"
 #include "concurrent_task_controller.h"
 
@@ -31,16 +29,9 @@ using namespace OHOS::RME;
 
 namespace OHOS {
 namespace ConcurrentTask {
-namespace {
-    const std::string INTERVAL_DDL = "ffrt.interval.renderthread";
-    constexpr int CURRENT_RATE = 90;
-    constexpr int PARAM_TYPE = 1;
-    const char RTG_SCHED_IPC_MAGIC = 0xAB;
-    constexpr int RTG_TYPE_MAX = 3;
-}
-
-#define CMD_ID_SET_RTG \
-    _IOWR(RTG_SCHED_IPC_MAGIC, SET_RTG, struct rtg_str_data)
+const std::string INTERVAL_DDL = "ffrt.interval.renderthread";
+constexpr int CURRENT_RATE = 90;
+constexpr int PARAM_TYPE = 1;
 
 TaskController& TaskController::GetInstance()
 {
@@ -565,40 +556,12 @@ void TaskController::PrintInfo()
     }
 }
 
-int TaskController::CreateNewRtgGrp(int prioType, int rtNum)
-{
-    struct rtg_grp_data grp_data;
-    int ret;
-    char fileName[] = "/proc/self/sched_rtg_ctrl";
-    int fd = open(fileName, O_RDWR);
-    if (fd < 0) {
-        CONCUR_LOGE("Open file /proc/self/sched_rth_ctrl, errno = %{public}d", errno);
-        return fd;
-    }
-    (void)memset_s(&grp_data, sizeof(struct rtg_grp_data), 0, sizeof(struct rtg_grp_data));
-    if ((prioType > 0) && (prioType < RTG_TYPE_MAX)) {
-        grp_data.prio_type = prioType;
-    }
-    if (rtNum > 0) {
-        grp_data.rt_cnt = rtNum;
-    }
-    grp_data.rtg_cmd = CMD_CREATE_RTG_GRP;
-    ret = ioctl(fd, CMD_ID_SET_RTG, &grp_data);
-    if (ret < 0) {
-        CONCUR_LOGE("create rtg grp failed, errno = %{public}d (%{public}s)", errno, strerror(errno));
-    } else {
-        CONCUR_LOGI("create rtg grp success, get rtg id %{public}d.", ret);
-    }
-    close(fd);
-    return ret;
-}
-
 ForegroundAppRecord::ForegroundAppRecord(int uid, int uiTid)
 {
     uid_ = uid;
     uiTid_ = uiTid;
     if (OHOS::system::GetBoolParameter(INTERVAL_DDL, false)) {
-        grpId_ = TaskController::GetInstance().CreateNewRtgGrp(PRIO_RT, MAX_KEY_THREADS);
+        grpId_ = CreateNewRtgGrp(PRIO_RT, MAX_KEY_THREADS);
     } else {
         grpId_ = -1;
     }