diff --git a/src/cluster/cluster.cpp b/src/cluster/cluster.cpp
index ba2c38a4d3d01f47dadc5656ddc230db74729fc4..d37fff9703b01a3e62da0ffef6824e778d4747e8 100644
--- a/src/cluster/cluster.cpp
+++ b/src/cluster/cluster.cpp
@@ -11,11 +11,6 @@
 
 using namespace std;
 
-/*
- * >>> WARNING: works only for IDFC >= 0, as the original code <<<
- *
- */
-
 /*! \brief C++ implementation of CLU
  *
  *  \param config_file: `string` Name of the configuration file.