diff --git a/nifi-nar-bundles/nifi-update-attribute-bundle/nifi-update-attribute-processor/src/main/java/org/apache/nifi/processors/attributes/UpdateAttribute.java b/nifi-nar-bundles/nifi-update-attribute-bundle/nifi-update-attribute-processor/src/main/java/org/apache/nifi/processors/attributes/UpdateAttribute.java
index c35ad8f7b6..3e39eadf2f 100644
--- a/nifi-nar-bundles/nifi-update-attribute-bundle/nifi-update-attribute-processor/src/main/java/org/apache/nifi/processors/attributes/UpdateAttribute.java
+++ b/nifi-nar-bundles/nifi-update-attribute-bundle/nifi-update-attribute-processor/src/main/java/org/apache/nifi/processors/attributes/UpdateAttribute.java
@@ -246,7 +246,6 @@ public class UpdateAttribute extends AbstractProcessor implements Searchable {
                     .build();
         } else {
             return propertyBuilder
-                    .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
                     .build();
         }
     }
diff --git a/nifi-nar-bundles/nifi-update-attribute-bundle/nifi-update-attribute-processor/src/test/java/org/apache/nifi/update/attributes/TestUpdateAttribute.java b/nifi-nar-bundles/nifi-update-attribute-bundle/nifi-update-attribute-processor/src/test/java/org/apache/nifi/update/attributes/TestUpdateAttribute.java
index cd1a4fd68d..f2220100f6 100644
--- a/nifi-nar-bundles/nifi-update-attribute-bundle/nifi-update-attribute-processor/src/test/java/org/apache/nifi/update/attributes/TestUpdateAttribute.java
+++ b/nifi-nar-bundles/nifi-update-attribute-bundle/nifi-update-attribute-processor/src/test/java/org/apache/nifi/update/attributes/TestUpdateAttribute.java
@@ -107,6 +107,34 @@ public class TestUpdateAttribute {
         result.get(0).assertAttributeEquals("attribute.2", "new.value.2");
     }
 
+    @Test
+    public void testSetEmptyString() throws Exception {
+        final TestRunner runner = TestRunners.newTestRunner(new UpdateAttribute());
+        runner.setProperty("attribute.1", "");
+        runner.assertValid();
+
+        // No attributes on flowfile
+        runner.enqueue(new byte[0]);
+
+        runner.run();
+
+        runner.assertAllFlowFilesTransferred(UpdateAttribute.REL_SUCCESS, 1);
+        List<MockFlowFile> result = runner.getFlowFilesForRelationship(UpdateAttribute.REL_SUCCESS);
+        assertTrue(result.get(0).getAttribute("attribute.1").isEmpty());
+        runner.clearTransferState();
+
+        final Map<String, String> attributes = new HashMap<>();
+        attributes.put("attribute.1", "old.value.1");
+        // Existing attribute to be replaced on flowfile
+        runner.enqueue(new byte[0], attributes);
+
+        runner.run();
+
+        runner.assertAllFlowFilesTransferred(UpdateAttribute.REL_SUCCESS, 1);
+        result = runner.getFlowFilesForRelationship(UpdateAttribute.REL_SUCCESS);
+        assertTrue(result.get(0).getAttribute("attribute.1").isEmpty());
+    }
+
     @Test
     public void testDefaultAddAttribute() throws Exception {
         final TestRunner runner = TestRunners.newTestRunner(new UpdateAttribute());