diff --git a/core/src/main/java/org/hibernate/ogm/datastore/document/impl/DotPatternMapHelpers.java b/core/src/main/java/org/hibernate/ogm/datastore/document/impl/DotPatternMapHelpers.java
index f4110d7cdc..d20ac43150 100644
--- a/core/src/main/java/org/hibernate/ogm/datastore/document/impl/DotPatternMapHelpers.java
+++ b/core/src/main/java/org/hibernate/ogm/datastore/document/impl/DotPatternMapHelpers.java
@@ -133,6 +133,13 @@ private static MapStorageType getMapStorage(AssociationContext associationContex
 		return associationContext.getAssociationTypeContext().getOptionsContext().getUnique( MapStorageOption.class );
 	}
 
+	/**
+	 * Returns the shared prefix with a trailing dot (.) of the association columns or {@literal null} if there is no shared prefix.
+	 *
+	 * @param associationKey the association key
+	 *
+	 * @return the shared prefix with a trailing dot (.) of the association columns or {@literal null}
+	 */
 	public static String getColumnSharedPrefixOfAssociatedEntityLink(AssociationKey associationKey) {
 		String[] associationKeyColumns = associationKey.getMetadata()
 				.getAssociatedEntityKeyMetadata()
diff --git a/mongodb/src/main/java/org/hibernate/ogm/datastore/mongodb/MongoDBDialect.java b/mongodb/src/main/java/org/hibernate/ogm/datastore/mongodb/MongoDBDialect.java
index 0e7c53cd7b..1422c04ca9 100644
--- a/mongodb/src/main/java/org/hibernate/ogm/datastore/mongodb/MongoDBDialect.java
+++ b/mongodb/src/main/java/org/hibernate/ogm/datastore/mongodb/MongoDBDialect.java
@@ -6,6 +6,7 @@
  */
 package org.hibernate.ogm.datastore.mongodb;
 
+import static org.hibernate.ogm.datastore.document.impl.DotPatternMapHelpers.getColumnSharedPrefixOfAssociatedEntityLink;
 import static org.hibernate.ogm.datastore.mongodb.dialect.impl.MongoDBTupleSnapshot.SnapshotType.INSERT;
 import static org.hibernate.ogm.datastore.mongodb.dialect.impl.MongoDBTupleSnapshot.SnapshotType.UPDATE;
 import static org.hibernate.ogm.datastore.mongodb.dialect.impl.MongoHelpers.hasField;
@@ -591,17 +592,6 @@ private Object getAssociationRow(Tuple row, AssociationKey associationKey) {
 		}
 	}
 
-	private String getColumnSharedPrefixOfAssociatedEntityLink(AssociationKey associationKey) {
-		String[] associationKeyColumns = associationKey.getMetadata()
-				.getAssociatedEntityKeyMetadata()
-				.getAssociationKeyColumns();
-		// we used to check that columns are the same (in an ordered fashion)
-		// but to handle List and Map and store indexes / keys at the same level as the id columns
-		// this check is removed
-		String prefix = DocumentHelpers.getColumnSharedPrefix( associationKeyColumns );
-		return prefix == null ? "" : prefix + ".";
-	}
-
 	@Override
 	public void insertOrUpdateAssociation(AssociationKey key, Association association, AssociationContext associationContext) {
 		DBCollection collection;