diff --git a/natural-language-understanding/src/main/java/com/ibm/watson/natural_language_understanding/v1/model/ListCategoriesModelsResponse.java b/natural-language-understanding/src/main/java/com/ibm/watson/natural_language_understanding/v1/model/ListCategoriesModelsResponse.java
deleted file mode 100644
index 2e0cb3f944..0000000000
--- a/natural-language-understanding/src/main/java/com/ibm/watson/natural_language_understanding/v1/model/ListCategoriesModelsResponse.java
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * (C) Copyright IBM Corp. 2021.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
- * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- */
-package com.ibm.watson.natural_language_understanding.v1.model;
-
-import com.ibm.cloud.sdk.core.service.model.GenericModel;
-import java.util.List;
-
-/** ListCategoriesModelsResponse. */
-public class ListCategoriesModelsResponse extends GenericModel {
-
-  protected List<CategoriesModelList> models;
-
-  /**
-   * Gets the models.
-   *
-   * @return the models
-   */
-  public List<CategoriesModelList> getModels() {
-    return models;
-  }
-}
diff --git a/natural-language-understanding/src/main/java/com/ibm/watson/natural_language_understanding/v1/model/ListClassificationsModelsResponse.java b/natural-language-understanding/src/main/java/com/ibm/watson/natural_language_understanding/v1/model/ListClassificationsModelsResponse.java
deleted file mode 100644
index 1a0adcbf5b..0000000000
--- a/natural-language-understanding/src/main/java/com/ibm/watson/natural_language_understanding/v1/model/ListClassificationsModelsResponse.java
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * (C) Copyright IBM Corp. 2021.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
- * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- */
-package com.ibm.watson.natural_language_understanding.v1.model;
-
-import com.ibm.cloud.sdk.core.service.model.GenericModel;
-import java.util.List;
-
-/** ListClassificationsModelsResponse. */
-public class ListClassificationsModelsResponse extends GenericModel {
-
-  protected List<ClassificationsModelList> models;
-
-  /**
-   * Gets the models.
-   *
-   * @return the models
-   */
-  public List<ClassificationsModelList> getModels() {
-    return models;
-  }
-}