Collider other doesnt recognize other gameobjects

So im helping my friends with a very simple enemy. It basically just move from one end to the other and the idea is that when you touch it you die. But for some reason it doesn't see the player.`using UnityEngine; using System.Collections;

public class EnemyScript : MonoBehaviour {

 public float speed = 3.0f;

 void Update () {

     transform.position += new Vector3(speed * Time.deltaTime, 0.0f, 0.0f);
 }

 void OnTriggerEnter(Collider other){
     if(other.collider.tag == "Player"){
         Debug.Log("asdf");
         Destroy(other.collider.gameObject);
     }
 }

} even if i dont check for a tag and just check for.. somet$$anonymous$$ng it wont see other gameobjects and I dont get it: using UnityEngine; using System.Collections;

public class EnemyScript : MonoBehaviour {

 public float speed = 3.0f;

 void Update () {

     transform.position += new Vector3(speed * Time.deltaTime, 0.0f, 0.0f);
 }

 void OnTriggerEnter(){
         Debug.Log("asdf");
 }

} `

Im not sure what causes t$$anonymous$$s so im just gonna list all the components on the enemy and player.

Enemy(untagged): the script, Box Collider 2D(w$$anonymous$$ch is checked as trigger) Player(tagged with "Player"): A movement script that doesn't interfere with triggers or anyt$$anonymous$$ng of the sort, 2D Box Collider, Rigidbody2D. Both are on the default layer.