diff --git a/jOOQ/src/main/java/org/jooq/impl/Patterns.java b/jOOQ/src/main/java/org/jooq/impl/Patterns.java
index 9f1cfa2dad..36498691c9 100644
--- a/jOOQ/src/main/java/org/jooq/impl/Patterns.java
+++ b/jOOQ/src/main/java/org/jooq/impl/Patterns.java
@@ -2322,6 +2322,12 @@ package org.jooq.impl;
 
 
 
+
+
+
+
+
+
 
 
 
diff --git a/jOOQ/src/main/java/org/jooq/impl/QOM.java b/jOOQ/src/main/java/org/jooq/impl/QOM.java
index 88b44c281a..626d547217 100644
--- a/jOOQ/src/main/java/org/jooq/impl/QOM.java
+++ b/jOOQ/src/main/java/org/jooq/impl/QOM.java
@@ -944,7 +944,7 @@ public final class QOM {
     {
         @Nullable Condition $on();
         @NotNull J $on(Condition on);
-        @Nullable UnmodifiableList<Field<?>> $using();
+        @NotNull UnmodifiableList<Field<?>> $using();
         @NotNull J $using(Collection<? extends Field<?>> using);
     }