diff --git a/poincare/src/horizontal_layout.cpp b/poincare/src/horizontal_layout.cpp
index d135a0dea..d3ad2c1d6 100644
--- a/poincare/src/horizontal_layout.cpp
+++ b/poincare/src/horizontal_layout.cpp
@@ -211,8 +211,6 @@ KDCoordinate HorizontalLayoutNode::computeBaseline() {
 KDPoint HorizontalLayoutNode::positionOfChild(LayoutNode * l) {
   assert(hasChild(l));
   KDCoordinate x = 0;
-  int index = indexOfChild(l);
-  assert(index > -1);
   for (LayoutNode * c : children()) {
     if (c == l) {
       break;