diff --git a/pyomo/contrib/parmest/create_ef.py b/pyomo/contrib/parmest/create_ef.py
index e6181b3f62d..ff6949649df 100644
--- a/pyomo/contrib/parmest/create_ef.py
+++ b/pyomo/contrib/parmest/create_ef.py
@@ -1,4 +1,3 @@
-# Copyright 2020 by B. Knueven, D. Mildebrath, C. Muir, J-P Watson, and D.L. Woodruff
 # This software is distributed under the 3-clause BSD License.
 # Copied with minor modifications from create_EF in mpisppy/utils/sputils.py
 # from the mpi-sppy library (https://github.com/Pyomo/mpi-sppy).
diff --git a/pyomo/contrib/parmest/scenario_tree.py b/pyomo/contrib/parmest/scenario_tree.py
index 8007dda0233..62b4257a7a7 100644
--- a/pyomo/contrib/parmest/scenario_tree.py
+++ b/pyomo/contrib/parmest/scenario_tree.py
@@ -1,4 +1,3 @@
-# Copyright 2020 by B. Knueven, D. Mildebrath, C. Muir, J-P Watson, and D.L. Woodruff
 # This software is distributed under the 3-clause BSD License.
 # Copied with minor modifications from mpisppy/scenario_tree.py 
 # from the mpi-sppy library (https://github.com/Pyomo/mpi-sppy).