diff --git a/firmware/controllers/system/timer/scheduler.h b/firmware/controllers/system/timer/scheduler.h
index f730a52229..a3c02b5bca 100644
--- a/firmware/controllers/system/timer/scheduler.h
+++ b/firmware/controllers/system/timer/scheduler.h
@@ -83,7 +83,6 @@ struct ExecutorInterface {
 	/**
 	 * see also scheduleByAngle
 	 */
-	virtual void scheduleByTimestamp(const char *msg, scheduling_s *scheduling, efitimeus_t timeUs, action_s action) = 0;
 	virtual void scheduleByTimestampNt(const char *msg, scheduling_s *scheduling, efitick_t timeNt, action_s action) = 0;
 	virtual void cancel(scheduling_s* scheduling) = 0;
 };
diff --git a/firmware/controllers/system/timer/single_timer_executor.cpp b/firmware/controllers/system/timer/single_timer_executor.cpp
index 2f7aac187a..7b44fd6b6e 100644
--- a/firmware/controllers/system/timer/single_timer_executor.cpp
+++ b/firmware/controllers/system/timer/single_timer_executor.cpp
@@ -45,20 +45,6 @@ SingleTimerExecutor::SingleTimerExecutor()
 {
 }
 
-/**
- * @brief Schedule an event at specific delay after now
- *
- * Invokes event callback after the specified amount of time.
- * callback would be executed either on ISR thread or current thread if we would need to execute right away
- *
- * @param [in, out] scheduling Data structure to keep this event in the collection.
- * @param [in] delayUs the number of microseconds before the output signal immediate output if delay is zero.
- * @param [in] dwell the number of ticks of output duration.
- */
-void SingleTimerExecutor::scheduleByTimestamp(const char *msg, scheduling_s *scheduling, efitimeus_t timeUs, action_s action) {
-	scheduleByTimestampNt(msg, scheduling, efitick_t{US2NT(timeUs)}, action);
-}
-
 void SingleTimerExecutor::scheduleByTimestampNt(const char *msg, scheduling_s* scheduling, efitick_t nt, action_s action) {
 	ScopePerf perf(PE::SingleTimerExecutorScheduleByTimestamp);
 
diff --git a/firmware/controllers/system/timer/single_timer_executor.h b/firmware/controllers/system/timer/single_timer_executor.h
index 06b23d0595..7fc5d60997 100644
--- a/firmware/controllers/system/timer/single_timer_executor.h
+++ b/firmware/controllers/system/timer/single_timer_executor.h
@@ -13,7 +13,6 @@
 class SingleTimerExecutor final : public ExecutorInterface {
 public:
 	SingleTimerExecutor();
-	void scheduleByTimestamp(const char *msg, scheduling_s *scheduling, efitimeus_t timeUs, action_s action) override;
 	void scheduleByTimestampNt(const char *msg, scheduling_s *scheduling, efitick_t timeNt, action_s action) override;
 	void cancel(scheduling_s* scheduling) override;
 
diff --git a/simulator/simulator/system/signal_executor_sleep.cpp b/simulator/simulator/system/signal_executor_sleep.cpp
index 03defe476c..05f0e1203e 100644
--- a/simulator/simulator/system/signal_executor_sleep.cpp
+++ b/simulator/simulator/system/signal_executor_sleep.cpp
@@ -37,12 +37,8 @@ struct CallbackContext
 
 static void doScheduleForLater(scheduling_s *scheduling, int delayUs, action_s action);
 
-void SleepExecutor::scheduleByTimestamp(const char* /*msg*/, scheduling_s *scheduling, efitimeus_t timeUs, action_s action) {
-	doScheduleForLater(scheduling, timeUs - getTimeNowUs(), action);
-}
-
 void SleepExecutor::scheduleByTimestampNt(const char *msg, scheduling_s* scheduling, efitick_t timeNt, action_s action) {
-	scheduleByTimestamp(msg, scheduling, NT2US(timeNt), action);
+	doScheduleForLater(scheduling, NT2US(timeNt) - getTimeNowUs(), action);
 }
 
 static void timerCallback(CallbackContext* ctx) {
diff --git a/simulator/simulator/system/signal_executor_sleep.h b/simulator/simulator/system/signal_executor_sleep.h
index 5cb2e04454..e82812ba3d 100644
--- a/simulator/simulator/system/signal_executor_sleep.h
+++ b/simulator/simulator/system/signal_executor_sleep.h
@@ -11,7 +11,6 @@
 
 class SleepExecutor : public ExecutorInterface {
 public:
-	void scheduleByTimestamp(const char *msg, scheduling_s *scheduling, efitimeus_t timeUs, action_s action) override;
 	void scheduleByTimestampNt(const char *msg, scheduling_s *scheduling, efitick_t timeNt, action_s action) override;
 	void cancel(scheduling_s* s) override;
 };
diff --git a/unit_tests/global_execution_queue.cpp b/unit_tests/global_execution_queue.cpp
index c9b721782e..d69feb28d1 100644
--- a/unit_tests/global_execution_queue.cpp
+++ b/unit_tests/global_execution_queue.cpp
@@ -35,26 +35,13 @@ scheduling_s* TestExecutor::getForUnitTest(int index) {
 	return schedulingQueue.getElementAtIndexForUnitText(index);
 }
 
-void TestExecutor::scheduleByTimestamp(const char *msg, scheduling_s *scheduling, efitimeus_t timeUs, action_s action) {
-	if (debugSignalExecutor) {
-		printf("scheduleByTime %d\r\n", timeUs);
-	}
-
-	if (m_mockExecutor) {
-		m_mockExecutor->scheduleByTimestamp(msg, scheduling, timeUs, action);
-		return;
-	}
-
-	schedulingQueue.insertTask(scheduling, timeUs, action);
-}
-
 void TestExecutor::scheduleByTimestampNt(const char *msg, scheduling_s* scheduling, efitick_t timeNt, action_s action) {
 	if (m_mockExecutor) {
 		m_mockExecutor->scheduleByTimestampNt(msg, scheduling, timeNt, action);
 		return;
 	}
 
-	scheduleByTimestamp(msg, scheduling, NT2US(timeNt), action);
+	schedulingQueue.insertTask(scheduling, NT2US(timeNt), action);
 }
 
 void TestExecutor::cancel(scheduling_s* s) {
diff --git a/unit_tests/global_execution_queue.h b/unit_tests/global_execution_queue.h
index 40e0d6341e..a4c70b4c27 100644
--- a/unit_tests/global_execution_queue.h
+++ b/unit_tests/global_execution_queue.h
@@ -14,7 +14,6 @@ class TestExecutor : public ExecutorInterface {
 public:
 	~TestExecutor();
 
-	void scheduleByTimestamp(const char *msg, scheduling_s *scheduling, efitimeus_t timeUs, action_s action) override;
 	void scheduleByTimestampNt(const char *msg, scheduling_s *scheduling, efitick_t timeNt, action_s action) override;
 	void cancel(scheduling_s* scheduling) override;
 
diff --git a/unit_tests/mocks.h b/unit_tests/mocks.h
index c14fe370b7..e3bba1886a 100644
--- a/unit_tests/mocks.h
+++ b/unit_tests/mocks.h
@@ -79,7 +79,6 @@ public:
 	MockExecutor();
 	virtual ~MockExecutor();
 
-	MOCK_METHOD(void, scheduleByTimestamp, (const char *msg, scheduling_s *scheduling, efitimeus_t timeUs, action_s action), (override));
 	MOCK_METHOD(void, scheduleByTimestampNt, (const char *msg, scheduling_s *scheduling, efitick_t timeNt, action_s action), (override));
 	MOCK_METHOD(void, cancel, (scheduling_s*), (override));
 };