diff --git a/gerrit-common/src/main/java/com/google/gerrit/common/data/AccountService.java b/gerrit-common/src/main/java/com/google/gerrit/common/data/AccountService.java
index 18cf657345..5a7559def2 100644
--- a/gerrit-common/src/main/java/com/google/gerrit/common/data/AccountService.java
+++ b/gerrit-common/src/main/java/com/google/gerrit/common/data/AccountService.java
@@ -34,9 +34,6 @@ public interface AccountService extends RemoteJsonService {
   @SignInRequired
   void myAccount(AsyncCallback<Account> callback);
 
-  @SignInRequired
-  void myDiffPreferences(AsyncCallback<AccountDiffPreference> callback);
-
   @Audit
   @SignInRequired
   void changePreferences(AccountGeneralPreferences pref,
diff --git a/gerrit-httpd/src/main/java/com/google/gerrit/httpd/rpc/account/AccountServiceImpl.java b/gerrit-httpd/src/main/java/com/google/gerrit/httpd/rpc/account/AccountServiceImpl.java
index 0a9ed289aa..ebeef670e7 100644
--- a/gerrit-httpd/src/main/java/com/google/gerrit/httpd/rpc/account/AccountServiceImpl.java
+++ b/gerrit-httpd/src/main/java/com/google/gerrit/httpd/rpc/account/AccountServiceImpl.java
@@ -72,16 +72,6 @@ class AccountServiceImpl extends BaseServiceImplementation implements
     callback.onSuccess(currentUser.get().getAccount());
   }
 
-  @Override
-  public void myDiffPreferences(AsyncCallback<AccountDiffPreference> callback) {
-    run(callback, new Action<AccountDiffPreference>() {
-      @Override
-      public AccountDiffPreference run(ReviewDb db) throws OrmException {
-        return currentUser.get().getAccountDiffPreference();
-      }
-    });
-  }
-
   public void changePreferences(final AccountGeneralPreferences pref,
       final AsyncCallback<VoidResult> callback) {
     run(callback, new Action<VoidResult>() {