diff --git a/generation_config.yaml b/generation_config.yaml
index ba697aea4..a9b459e57 100644
--- a/generation_config.yaml
+++ b/generation_config.yaml
@@ -1,5 +1,5 @@
-gapic_generator_version: 2.42.0
-googleapis_commitish: d44c3001960c430bc60ac1e1736cebfd8fd45e77
+gapic_generator_version: 2.43.0
+googleapis_commitish: 0fa9ce880be5ea7c3027015849cd4fbfb04812c5
 libraries_bom_version: 26.43.0
 libraries:
   - api_shortname: pubsub
diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/PublisherStubSettings.java b/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/PublisherStubSettings.java
index 40f03dd7f..bc169972d 100644
--- a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/PublisherStubSettings.java
+++ b/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/PublisherStubSettings.java
@@ -23,6 +23,7 @@
 import com.google.api.core.ApiFunction;
 import com.google.api.core.ApiFuture;
 import com.google.api.core.BetaApi;
+import com.google.api.core.ObsoleteApi;
 import com.google.api.gax.batching.BatchingSettings;
 import com.google.api.gax.batching.FlowControlSettings;
 import com.google.api.gax.batching.FlowController;
@@ -492,6 +493,7 @@ public static InstantiatingExecutorProvider.Builder defaultExecutorProviderBuild
   }
 
   /** Returns the default service endpoint. */
+  @ObsoleteApi("Use getEndpoint() instead")
   public static String getDefaultEndpoint() {
     return "pubsub.googleapis.com:443";
   }
diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SchemaServiceStubSettings.java b/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SchemaServiceStubSettings.java
index 9d68b251e..1ab1f310a 100644
--- a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SchemaServiceStubSettings.java
+++ b/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SchemaServiceStubSettings.java
@@ -22,6 +22,7 @@
 import com.google.api.core.ApiFunction;
 import com.google.api.core.ApiFuture;
 import com.google.api.core.BetaApi;
+import com.google.api.core.ObsoleteApi;
 import com.google.api.gax.core.GaxProperties;
 import com.google.api.gax.core.GoogleCredentialsProvider;
 import com.google.api.gax.core.InstantiatingExecutorProvider;
@@ -352,6 +353,7 @@ public static InstantiatingExecutorProvider.Builder defaultExecutorProviderBuild
   }
 
   /** Returns the default service endpoint. */
+  @ObsoleteApi("Use getEndpoint() instead")
   public static String getDefaultEndpoint() {
     return "pubsub.googleapis.com:443";
   }
diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SubscriberStubSettings.java b/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SubscriberStubSettings.java
index 30803382a..40d5a4b54 100644
--- a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SubscriberStubSettings.java
+++ b/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SubscriberStubSettings.java
@@ -22,6 +22,7 @@
 import com.google.api.core.ApiFunction;
 import com.google.api.core.ApiFuture;
 import com.google.api.core.BetaApi;
+import com.google.api.core.ObsoleteApi;
 import com.google.api.gax.core.GaxProperties;
 import com.google.api.gax.core.GoogleCredentialsProvider;
 import com.google.api.gax.core.InstantiatingExecutorProvider;
@@ -397,6 +398,7 @@ public static InstantiatingExecutorProvider.Builder defaultExecutorProviderBuild
   }
 
   /** Returns the default service endpoint. */
+  @ObsoleteApi("Use getEndpoint() instead")
   public static String getDefaultEndpoint() {
     return "pubsub.googleapis.com:443";
   }