diff --git a/source/java/org/alfresco/rest/api/search/impl/SearchMapper.java b/source/java/org/alfresco/rest/api/search/impl/SearchMapper.java
index 5fb623355c..b2a7799d29 100644
--- a/source/java/org/alfresco/rest/api/search/impl/SearchMapper.java
+++ b/source/java/org/alfresco/rest/api/search/impl/SearchMapper.java
@@ -182,8 +182,7 @@ public class SearchMapper
                 {
                     SortType sortType = SortType.valueOf(sortDef.getType());
                     String field = sortDef.getField();
-                    QName propQname = PARAM_SYNONYMS_QNAME.get(field);
-                    sp.addSort(new SortDefinition(sortType, propQname==null?field:propQname.toString(), sortDef.isAscending()));
+                    sp.addSort(new SortDefinition(sortType, field, sortDef.isAscending()));
                 }
                 catch (IllegalArgumentException e)
                 {
diff --git a/source/test-java/org/alfresco/rest/api/search/SearchMapperTests.java b/source/test-java/org/alfresco/rest/api/search/SearchMapperTests.java
index ae55b7eed9..2471c9d947 100644
--- a/source/test-java/org/alfresco/rest/api/search/SearchMapperTests.java
+++ b/source/test-java/org/alfresco/rest/api/search/SearchMapperTests.java
@@ -194,23 +194,6 @@ public class SearchMapperTests
             }
         });
 
-        searchParameters = new SearchParameters();
-        searchMapper.fromSort(searchParameters, Arrays.asList(new SortDef("FIELD", "createdAt", true)));
-        assertEquals(1 , searchParameters.getSortDefinitions().size());
-        assertEquals("{http://www.alfresco.org/model/content/1.0}created", searchParameters.getSortDefinitions().get(0).getField());
-
-        searchParameters = new SearchParameters();
-        searchMapper.fromSort(searchParameters, Arrays.asList(new SortDef("FIELD", "cm:created", true)));
-        assertEquals("cm:created", searchParameters.getSortDefinitions().get(0).getField());
-
-        searchParameters = new SearchParameters();
-        searchMapper.fromSort(searchParameters, Arrays.asList(new SortDef("FIELD", "modifiedByUser", true)));
-        assertEquals("{http://www.alfresco.org/model/content/1.0}modifier", searchParameters.getSortDefinitions().get(0).getField());
-
-        searchParameters = new SearchParameters();
-        searchMapper.fromSort(searchParameters, Arrays.asList(new SortDef("FIELD", "nodeType", true)));
-        assertEquals("{}TYPE", searchParameters.getSortDefinitions().get(0).getField());
-
         searchParameters = new SearchParameters();
         searchParameters.setLanguage(SearchService.LANGUAGE_CMIS_ALFRESCO);
         try