diff --git a/poincare/src/expression_node.cpp b/poincare/src/expression_node.cpp
index 8fb4c3d6e..71d99aea1 100644
--- a/poincare/src/expression_node.cpp
+++ b/poincare/src/expression_node.cpp
@@ -92,7 +92,6 @@ TreeNode * ExpressionNode::uninitializedStaticNode() const {
 }
 
 Expression ExpressionNode::denominator(Context & context, Preferences::AngleUnit angleUnit) const {
-  assert(false);
   return Expression();
 }