diff --git a/java/com/google/gerrit/plugins/codeowners/api/ChangeCodeOwners.java b/java/com/google/gerrit/plugins/codeowners/api/ChangeCodeOwners.java
index 21731a6..eabf850 100644
--- a/java/com/google/gerrit/plugins/codeowners/api/ChangeCodeOwners.java
+++ b/java/com/google/gerrit/plugins/codeowners/api/ChangeCodeOwners.java
@@ -32,11 +32,6 @@
   }
 
   /** Returns the revision-level code owners API for the given revision. */
-  default RevisionCodeOwners revision(int id) throws RestApiException {
-    return revision(Integer.toString(id));
-  }
-
-  /** Returns the revision-level code owners API for the given revision. */
   RevisionCodeOwners revision(String id) throws RestApiException;
 
   /**
diff --git a/java/com/google/gerrit/plugins/codeowners/api/CodeOwners.java b/java/com/google/gerrit/plugins/codeowners/api/CodeOwners.java
index 5bc89e4..578c1c3 100644
--- a/java/com/google/gerrit/plugins/codeowners/api/CodeOwners.java
+++ b/java/com/google/gerrit/plugins/codeowners/api/CodeOwners.java
@@ -153,16 +153,6 @@
     public Optional<String> getRevision() {
       return Optional.ofNullable(revision);
     }
-
-    @Override
-    public String toString() {
-      StringBuilder sb = new StringBuilder(getClass().getSimpleName()).append('{');
-      if (!options.isEmpty()) {
-        sb.append("options=").append(options);
-      }
-      sb.append('}');
-      return sb.toString();
-    }
   }
 
   /**