diff --git a/python/sliders_cartesian.py b/python/sliders_cartesian.py
index 906b33b..8977f9a 100644
--- a/python/sliders_cartesian.py
+++ b/python/sliders_cartesian.py
@@ -84,7 +84,7 @@ def cartesian_to_angles(x, y, z):
         alpha2 = theta2 * 180 / math.pi
         alpha3 = theta3 * 180 / math.pi
         log_serial(f"Angles: {alpha1:.2f}, {alpha2:.2f}, {alpha3:.2f}", "blue")
-        return [alpha1, alpha2, alpha3]
+        return [alpha1, alpha2, alpha3] # in degree
     except ValueError as e:
         print(f"Error in cartesian_to_angles: {e}")
         raise e
diff --git a/src/main.cpp b/src/main.cpp
index 8db26b9..393e774 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -97,18 +97,6 @@ unsigned long lastUpdate = 0; // Last time the position was updated
 const int updateInterval = 0; // Update interval in milliseconds
 int newTarget = 0;
 
-int potValue1 = 0;
-int potValue2 = 0;
-int potValue3 = 0;
-int potValue4 = 0;
-int potValue5 = 0;
-int potValue6 = 0;
-int targetPosition1 = 0;
-int targetPosition2 = 0;
-int targetPosition3 = 0;
-int targetPosition4 = 0;
-int targetPosition5 = 0;
-int targetPosition6 = 0;
 
 void setup() {
   Serial.begin(9600);