1 files changed, 2 insertions, 0 deletions
diff --git a/cells-impl.hpp b/cells-impl.hpp
index 1ee3eac..67c28f5 100644
--- a/cells-impl.hpp
+++ b/cells-impl.hpp
@@ -248,8 +248,10 @@ namespace cells {
             independent_nodes.push_front(other);
           }
         }
+        delete node;
       }
       if (left != 0) {
+        // FIXME: delete remaining dag_nodes.
         throw std::logic_error("Cell cycle detected");
       }