diff --git a/poincare/include/poincare/expression_node.h b/poincare/include/poincare/expression_node.h
index c8c90a223..76e644d10 100644
--- a/poincare/include/poincare/expression_node.h
+++ b/poincare/include/poincare/expression_node.h
@@ -22,7 +22,6 @@ public:
    enum class Type : uint8_t {
     Uninitialized = 0,
     Undefined = 1,
-    Integer = 2,
     Rational,
     Decimal,
     Float,