diff --git a/ex4.c b/ex4.c
deleted file mode 100644
index 9aa0b4c..0000000
--- a/ex4.c
+++ /dev/null
@@ -1,87 +0,0 @@
-LE NOM DES VARIABLES SONT EN ANGLAIS TRADUIT LES 
-
-#include <stdio.h>
-#include <stdlib.h>
-
-
-typedef struct Point {
-    float x, y;
-} Point;
-
-
-typedef struct Node {
-    Point point;
-    struct Node *next;
-} Node;
-
-
-Node* createNode(float x, float y) {
-    Node* newNode = (Node*)malloc(sizeof(Node));
-    if (newNode == NULL) {
-        printf("Erreur d'allocation mémoire\n");
-        exit(1);
-    }
-    newNode->point.x = x;
-    newNode->point.y = y;
-    newNode->next = NULL;
-    return newNode;
-}
-
-
-void printList(Node* head) {
-    Node* current = head;
-    while (current != NULL) {
-        printf("(%.2f, %.2f) -> ", current->point.x, current->point.y);
-        current = current->next;
-    }
-    printf("NULL\n");
-}
-
-
-void removeNegativePoints(Node** headRef) {
-    Node* current = *headRef;
-    Node* prev = NULL;
-
-    while (current != NULL) {
-        if (current->point.x < 0 && current->point.y < 0) {
-            Node* temp = current;
-            if (prev == NULL) {
-                *headRef = current->next; 
-            } else {
-                prev->next = current->next; 
-            }
-            current = current->next;
-            free(temp);
-        } else {
-            prev = current;
-            current = current->next;
-        }
-    }
-}
-
-
-int main() {
-    
-    Node* head = createNode(1.0, 2.0);
-    head->next = createNode(-1.0, -3.0);
-    head->next->next = createNode(4.0, -2.0);
-    head->next->next->next = createNode(-2.0, -2.0);
-    head->next->next->next->next = createNode(5.0, 6.0);
-
-    printf("Liste avant la suppression des points négatifs :\n");
-    printList(head);
-
-    removeNegativePoints(&head);
-
-    printf("Liste après la suppression des points négatifs :\n");
-    printList(head);
-
-   
-    while (head != NULL) {
-        Node* temp = head;
-        head = head->next;
-        free(temp);
-    }
-
-    return 0;
-}