diff --git a/x-pack/plugin/esql/qa/testFixtures/src/main/java/org/elasticsearch/xpack/esql/EsqlTestUtils.java b/x-pack/plugin/esql/qa/testFixtures/src/main/java/org/elasticsearch/xpack/esql/EsqlTestUtils.java
index 4cfbbd1c7467b..18ce9d7e3e057 100644
--- a/x-pack/plugin/esql/qa/testFixtures/src/main/java/org/elasticsearch/xpack/esql/EsqlTestUtils.java
+++ b/x-pack/plugin/esql/qa/testFixtures/src/main/java/org/elasticsearch/xpack/esql/EsqlTestUtils.java
@@ -730,7 +730,7 @@ public static Literal randomLiteral(DataType type) {
             case SHORT -> randomShort();
             case INTEGER, COUNTER_INTEGER -> randomInt();
             case LONG, COUNTER_LONG -> randomLong();
-            case UNSIGNED_LONG, DATE_NANOS -> randomNonNegativeLong();
+            case UNSIGNED_LONG -> randomNonNegativeLong();
             case DATE_PERIOD -> Period.of(randomIntBetween(-1000, 1000), randomIntBetween(-13, 13), randomIntBetween(-32, 32));
             case DATETIME -> randomMillisUpToYear9999();
             case DATE_NANOS -> randomLongBetween(0, Long.MAX_VALUE);