diff --git a/x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/expression/function/TestCaseSupplier.java b/x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/expression/function/TestCaseSupplier.java
index d0631f153428d..6165ce0f0f578 100644
--- a/x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/expression/function/TestCaseSupplier.java
+++ b/x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/expression/function/TestCaseSupplier.java
@@ -955,8 +955,7 @@ public TypedData(Object data, String name) {
 
         @Override
         public String toString() {
-            if (type == DataTypes.UNSIGNED_LONG && data != null) {
-                if (data instanceof Long longData) {
+            if (type == DataTypes.UNSIGNED_LONG && data instanceof Long longData) {
                     return type.toString() + "(" + NumericUtils.unsignedLongAsBigInteger(longData).toString() + ")";
                 }
             }