diff --git a/3rd-party-licenses.txt b/3rd-party-licenses.txt
index 98f6162..24c3574 100644
--- a/3rd-party-licenses.txt
+++ b/3rd-party-licenses.txt
@@ -20,14 +20,6 @@ URL: https://github.com/boschresearch/trust-region-layers
 License: AGPL-v3.0
 Copyright: Copyright (c) 2021 Bosch
 
-MadryLab/cox:
-
-Name:      Cox
-Version:   0.1.post2
-URL:       https://github.com/MadryLab/cox
-License:   MIT
-Copyright: Copyright (c) 2018 Andrew Ilyas, Logan Engstrom
-
 ALRhub/ITPAL:
 
 Name:      Information-Theoretic Projection As a Layer
@@ -709,35 +701,7 @@ For more information on this, and how to apply and follow the GNU AGPL, see
 
 
 #########################################
-b.  MadryLab/cox
-#########################################
-
-
-MIT License
-
-Copyright (c) 2018 Andrew Ilyas, Logan Engstrom
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-
-
-#########################################
-c.  ALRhub/ITPAL
+b.  ALRhub/ITPAL
 #########################################
 
 MIT License