diff --git a/be-graphes-algos/src/main/java/org/insa/graphs/algorithm/utils/BinaryHeap.java b/be-graphes-algos/src/main/java/org/insa/graphs/algorithm/utils/BinaryHeap.java
index a5073cd..b5c8401 100644
--- a/be-graphes-algos/src/main/java/org/insa/graphs/algorithm/utils/BinaryHeap.java
+++ b/be-graphes-algos/src/main/java/org/insa/graphs/algorithm/utils/BinaryHeap.java
@@ -135,6 +135,22 @@ public class BinaryHeap<E extends Comparable<E>> implements PriorityQueue<E> {
     @Override
     public void remove(E x) throws ElementNotFoundException {
         // TODO:
+        if (this.isEmpty()) {
+            throw new ElementNotFoundException(x);
+        }
+        int i = this.array.indexOf(x);
+        if (i == -1) {
+            throw new ElementNotFoundException(x);
+        }
+        if (i > this.size() - 1) {
+            throw new ElementNotFoundException(x);
+        }
+        else {
+            this.arraySet(i, this.array.get(this.size() - 1));
+            this.percolateUp(i);
+            this.percolateDown(i);
+            this.currentSize -= 1;
+        }
     }
 
     @Override