diff --git a/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/delete/DeleteConflictList.java b/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/delete/DeleteConflictList.java
index 24a44b7fccd..b925a81a25d 100644
--- a/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/delete/DeleteConflictList.java
+++ b/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/delete/DeleteConflictList.java
@@ -23,6 +23,7 @@ package ca.uhn.fhir.jpa.delete;
 import ca.uhn.fhir.jpa.util.DeleteConflict;
 import org.apache.commons.lang3.Validate;
 import org.hl7.fhir.instance.model.api.IIdType;
+import org.springframework.util.Assert;
 
 import java.util.ArrayList;
 import java.util.HashSet;
@@ -81,19 +82,30 @@ public class DeleteConflictList implements Iterable<DeleteConflict> {
 
 			private final int myOriginalRemoveModCont = myRemoveModCount;
 			private int myNextIndex = 0;
+			private boolean myLastOperationWasNext;
 
 			@Override
 			public boolean hasNext() {
 				checkForCoModification();
+				myLastOperationWasNext = false;
 				return myNextIndex < myList.size();
 			}
 
 			@Override
 			public DeleteConflict next() {
 				checkForCoModification();
+				myLastOperationWasNext = true;
 				return myList.get(myNextIndex++);
 			}
 
+			@Override
+			public void remove() {
+				Assert.isTrue(myLastOperationWasNext);
+				myNextIndex--;
+				myList.remove(myNextIndex);
+				myLastOperationWasNext = false;
+			}
+
 			private void checkForCoModification() {
 				Validate.isTrue(myOriginalRemoveModCont == myRemoveModCount);
 			}