diff --git a/include/armadillo_bits/constants_old.hpp b/include/armadillo_bits/constants_old.hpp
index 763be171..1801b7e9 100644
--- a/include/armadillo_bits/constants_old.hpp
+++ b/include/armadillo_bits/constants_old.hpp
@@ -44,10 +44,6 @@ class Math
 
 
 
-//! Physical constants taken from NIST 2010 CODATA values, and some from WolframAlpha (values provided as of 2009-06-23)
-//! http://physics.nist.gov/cuu/Constants
-//! http://www.wolframalpha.com
-//! See also http://en.wikipedia.org/wiki/Physical_constant
 template<typename eT>
 class Phy
   {