diff --git a/unit_tests/tests/test_vehicle_speed.cpp b/unit_tests/tests/test_vehicle_speed.cpp
index c3cd9959a1..abf6c92c0e 100644
--- a/unit_tests/tests/test_vehicle_speed.cpp
+++ b/unit_tests/tests/test_vehicle_speed.cpp
@@ -38,8 +38,6 @@ static void simulatePeriodicSignalForCallback(
 }
 
 TEST(VehicleSpeedSensor, testValidSpeedDetection) {
-	// Setup
-	setMockVehicleSpeed(-1);
 	WITH_ENGINE_TEST_HELPER(TEST_ENGINE);
 	CONFIG(vehicleSpeedSensorInputPin) = anyPin;
 	engineConfiguration->vehicleSpeedCoef = 0.5f;
@@ -50,13 +48,10 @@ TEST(VehicleSpeedSensor, testValidSpeedDetection) {
 	float measuredSpeed = getVehicleSpeed(PASS_ENGINE_PARAMETER_SIGNATURE);
 	EXPECT_NEAR(15.0f, measuredSpeed, 0.01);
 
-	// Tear down
-	setMockVehicleSpeed(-1);
 }
 
 TEST(VehicleSpeedSensor, testInvalidSpeed) {
-	// Setup
-	setMockVehicleSpeed(-1);
+
 	WITH_ENGINE_TEST_HELPER(TEST_ENGINE);
 	CONFIG(vehicleSpeedSensorInputPin) = anyPin;
 	engineConfiguration->vehicleSpeedCoef = 0.5f;
@@ -68,7 +63,5 @@ TEST(VehicleSpeedSensor, testInvalidSpeed) {
 	// Direct comparasion as invalid speed shoud return true zero
 	EXPECT_EQ(0.0f, measuredSpeed);
 
-	// Tear down
-	setMockVehicleSpeed(-1);
 }