diff --git a/GPy/core/__init__.py b/GPy/core/__init__.py
index fb40a9e0..a0ee51da 100644
--- a/GPy/core/__init__.py
+++ b/GPy/core/__init__.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2012, GPy authors (see AUTHORS.txt).
+# Copyright (c) 2012-2014, GPy authors (see AUTHORS.txt).
 # Licensed under the BSD 3-clause license (see LICENSE.txt)
 
 from model import *
diff --git a/GPy/core/gp.py b/GPy/core/gp.py
index 5c69d92b..25066381 100644
--- a/GPy/core/gp.py
+++ b/GPy/core/gp.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2012, GPy authors (see AUTHORS.txt).
+# Copyright (c) 2012-2014, GPy authors (see AUTHORS.txt).
 # Licensed under the BSD 3-clause license (see LICENSE.txt)
 
 import numpy as np
diff --git a/GPy/core/mapping.py b/GPy/core/mapping.py
index 049f1699..111fec6f 100644
--- a/GPy/core/mapping.py
+++ b/GPy/core/mapping.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2013, GPy authors (see AUTHORS.txt).
+# Copyright (c) 2013,2014, GPy authors (see AUTHORS.txt).
 # Licensed under the BSD 3-clause license (see LICENSE.txt)
 
 import sys
diff --git a/GPy/core/model.py b/GPy/core/model.py
index ac5a9732..2cdecdf9 100644
--- a/GPy/core/model.py
+++ b/GPy/core/model.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2012, 2013, GPy authors (see AUTHORS.txt).
+# Copyright (c) 2012-2014, GPy authors (see AUTHORS.txt).
 # Licensed under the BSD 3-clause license (see LICENSE.txt)
 
 
diff --git a/GPy/core/sparse_gp.py b/GPy/core/sparse_gp.py
index 73c80c76..beb69138 100644
--- a/GPy/core/sparse_gp.py
+++ b/GPy/core/sparse_gp.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2012, GPy authors (see AUTHORS.txt).
+# Copyright (c) 2012-2014, GPy authors (see AUTHORS.txt).
 # Licensed under the BSD 3-clause license (see LICENSE.txt)
 
 import numpy as np
diff --git a/GPy/core/sparse_gp_mpi.py b/GPy/core/sparse_gp_mpi.py
index e8779f51..15d3ad76 100644
--- a/GPy/core/sparse_gp_mpi.py
+++ b/GPy/core/sparse_gp_mpi.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2012, GPy authors (see AUTHORS.txt).
+# Copyright (c) 2012-2014, GPy authors (see AUTHORS.txt).
 # Licensed under the BSD 3-clause license (see LICENSE.txt)
 
 import numpy as np
diff --git a/GPy/core/symbolic.py b/GPy/core/symbolic.py
index 24623f91..ed3a9d59 100644
--- a/GPy/core/symbolic.py
+++ b/GPy/core/symbolic.py
@@ -11,8 +11,8 @@ from sympy.utilities.lambdify import lambdastr, _imp_namespace, _get_namespace
 from sympy.utilities.iterables import numbered_symbols
 import scipy
 import GPy
-#from scipy.special import gammaln, gamma, erf, erfc, erfcx, polygamma
-#@NDL you removed this file! #from GPy.util.symbolic import normcdf, normcdfln, logistic, logisticln, erfcx, erfc, gammaln
+
+
 def getFromDict(dataDict, mapList):
     return reduce(lambda d, k: d[k], mapList, dataDict)