diff --git a/src/main.cpp b/src/main.cpp
index 0dde800..99562f6 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -29,8 +29,6 @@ unsigned long last, initTime;
 PWMServo yaw;
 PWMServo pitch;
 
-int servoPos = 90; // variable to store the servo position;
-
 void setup() {
   Serial.begin(9600);
 
@@ -81,7 +79,7 @@ void loop() {
 
   if ((State.z < 0.0) && (State.thrustFiring == 2)) {
     analogWrite(pin_igniter, 0);
-    Serial.println("Run duration:" + String((micros() - initTime) / 1000000.0) +
+    Serial.println("Run duration:" + String((micros() - initTime) / 1e6) +
                    " seconds");
     printSimResults(State);