diff --git a/ESP-IDF_Robot/main/controls.h b/ESP-IDF_Robot/main/controls.h
index a817503b2..728df0529 100644
--- a/ESP-IDF_Robot/main/controls.h
+++ b/ESP-IDF_Robot/main/controls.h
@@ -1,6 +1,8 @@
 #ifndef CONTROLS_H
 #define CONTROLSC_H
 
+// To prevent assigning forbidden rpm values to the motor (i.e. to avoid short-citcuit) accidentially,
+// we define one struct tha tholds RPMs for four motors, as opposed to defining array of structs for single motor. 
 struct motors_rpm {
     int motor1_rpm;
     int motor2_rpm;
@@ -8,10 +10,4 @@ struct motors_rpm {
     int motor4_rpm;
 };
 
-struct motor {
-    int pcm;
-    bool rotation;
-
-};
-
 #endif
\ No newline at end of file