diff --git a/poincare/src/tree_pool.cpp b/poincare/src/tree_pool.cpp
index 67e2622f5..e025d871a 100644
--- a/poincare/src/tree_pool.cpp
+++ b/poincare/src/tree_pool.cpp
@@ -144,6 +144,8 @@ void TreePool::treeLog(std::ostream & stream) {
   stream << std::endl;
 }
 
+#endif
+
 int TreePool::numberOfNodes() const {
   int count = 0;
   TreeNode * firstNode = first();
@@ -155,8 +157,6 @@ int TreePool::numberOfNodes() const {
   return count;
 }
 
-#endif
-
 void * TreePool::alloc(size_t size) {
   if (m_cursor >= m_buffer + BufferSize || m_cursor + size > m_buffer + BufferSize) {
     ExceptionCheckpoint::Raise();