diff --git a/poincare/src/layout/matrix_layout.cpp b/poincare/src/layout/matrix_layout.cpp
index afccc9260..7626efa06 100644
--- a/poincare/src/layout/matrix_layout.cpp
+++ b/poincare/src/layout/matrix_layout.cpp
@@ -117,6 +117,12 @@ void MatrixLayout::replaceChildAndMoveCursor(const ExpressionLayout * oldChild,
   cursor->setPosition(ExpressionLayoutCursor::Position::Left);
 }
 
+void MatrixLayout::removePointedChildAtIndexAndMoveCursor(int index, bool deleteAfterRemoval, ExpressionLayoutCursor * cursor) {
+  assert(index >= 0 && index < numberOfChildren());
+  assert(cursor->pointedExpressionLayout() == child(index));
+  replaceChildAndMoveCursor(child(index), new EmptyVisibleLayout(), deleteAfterRemoval, cursor);
+}
+
 int MatrixLayout::writeTextInBuffer(char * buffer, int bufferSize) const {
   // The grid is a matrix.
   if (bufferSize == 0) {
diff --git a/poincare/src/layout/matrix_layout.h b/poincare/src/layout/matrix_layout.h
index 6a58bb0cd..30dccb142 100644
--- a/poincare/src/layout/matrix_layout.h
+++ b/poincare/src/layout/matrix_layout.h
@@ -19,6 +19,7 @@ public:
   /* Dynamic layout */
   void replaceChild(const ExpressionLayout * oldChild, ExpressionLayout * newChild, bool deleteOldChild = true) override;
   void replaceChildAndMoveCursor(const ExpressionLayout * oldChild, ExpressionLayout * newChild, bool deleteOldChild, ExpressionLayoutCursor * cursor) override;
+  void removePointedChildAtIndexAndMoveCursor(int index, bool deleteAfterRemoval, ExpressionLayoutCursor * cursor) override;
 
   /* Expression engine */
   int writeTextInBuffer(char * buffer, int bufferSize) const override;