diff --git a/gradle/ext.gradle b/gradle/ext.gradle
index 9e56816220d28aca57fff3b38ba9a908070d282f..5da88c0dc447518eafb7a3f595521b2da16671ba 100644
--- a/gradle/ext.gradle
+++ b/gradle/ext.gradle
@@ -9,67 +9,4 @@ ext {
   nshmpLibGradleDir = "${nshmpLib}/gradle"
   spotbugsDir = "${nshmpLib}/gradle"
   spotlessDir = "${nshmpLib}/src/main/resources"
-
-  /* Multi-model repository paths for version tracking */
-  repo_cous_2008 = '../nshm-cous-2008'
-  repo_cous_2014 = '../nshm-cous-2014'
-  repo_cous_2014b = '../nshm-cous-2014b'
-  repo_cous_2018 = '../nshm-cous-2018'
-  repo_hi_2020 = '../nshm-hi-2020'
-  repo_ak_2007 = '../nshm-ak-2007'
-
-  /* Explicit model paths */
-  model_wus_2008 = "${repo_cous_2008}/Western US"
-  model_ceus_2008 = "${repo_cous_2008}/Central & Eastern US"
-  model_wus_2014 = "${repo_cous_2014}/Western US"
-  model_ceus_2014 = "${repo_cous_2014}/Central & Eastern US"
-  model_wus_2014b = "${repo_cous_2014b}/Western US"
-  model_wus_2018 = "${repo_cous_2018}/Western US"
-  model_ceus_2018 = "${repo_cous_2018}/Central & Eastern US"
-  model_hi_2020 = "${repo_hi_2020}"
-  model_ak_2007 = "${repo_ak_2007}"
-
-  /* Production models */
-  prod_models = [
-    [
-      model_ak_2007,
-      'models/ak/2007'
-    ],
-    [
-      model_ceus_2008,
-      'models/ceus/2008'
-    ],
-    [
-      model_wus_2008,
-      'models/wus/2008'
-    ],
-    [
-      model_ceus_2014,
-      'models/ceus/2014'
-    ],
-    [
-      model_wus_2014,
-      'models/wus/2014'
-    ],
-    [
-      model_wus_2014b,
-      'models/wus/2014b'
-    ]
-  ]
-
-  /* Development models */
-  dev_models = [
-    [
-      model_ceus_2018,
-      'models/ceus/2018'
-    ],
-    [
-      model_wus_2018,
-      'models/wus/2018'
-    ],
-    [
-      model_hi_2020,
-      'models/hi/2020'
-    ]
-  ]
 }