diff --git a/wagtail/wagtailsearch/backends/elasticsearch.py b/wagtail/wagtailsearch/backends/elasticsearch.py
index 29141542a..5561a3cee 100644
--- a/wagtail/wagtailsearch/backends/elasticsearch.py
+++ b/wagtail/wagtailsearch/backends/elasticsearch.py
@@ -13,7 +13,6 @@ from wagtail.wagtailsearch.backends.base import BaseSearch
 from wagtail.wagtailsearch.indexed import Indexed
 
 
-
 class ElasticSearchQuery(object):
     def __init__(self, model, query_string, fields=None, filters={}):
         self.model = model
@@ -113,9 +112,10 @@ class ElasticSearchQuery(object):
 
 
 class ElasticSearchResults(object):
-    def __init__(self, backend, query):
+    def __init__(self, backend, query, prefetch_related=None):
         self.backend = backend
         self.query = query
+        self.prefetch_related = prefetch_related
         self.start = 0
         self.stop = None
         self._results_cache = None
@@ -136,7 +136,7 @@ class ElasticSearchResults(object):
 
     def _clone(self):
         klass = self.__class__
-        new = klass(self.backend, self.query)
+        new = klass(self.backend, self.query, prefetch_related=self.prefetch_related)
         new.start = self.start
         new.stop = self.stop
         return new
@@ -167,8 +167,15 @@ class ElasticSearchResults(object):
         # Initialise results dictionary
         results = dict((str(pk), None) for pk in pks)
 
-        # Find objects in database and add them to dict
+        # Get queryset
         queryset = self.query.model.objects.filter(pk__in=pks)
+
+        # Add prefetch related
+        if self.prefetch_related:
+            for prefetch in self.prefetch_related:
+                queryset = queryset.prefetch_related(prefetch)
+
+        # Find objects in database and add them to dict
         for obj in queryset:
             results[str(obj.pk)] = obj
 
@@ -417,8 +424,5 @@ class ElasticSearch(BaseSearch):
         if not query_string:
             return []
 
-        # Give deprecation warning if prefetch_related was used
-        warnings.warn("prefetch_related on search queries is no longer implemented. ", DeprecationWarning)
-
         # Return search results
-        return ElasticSearchResults(self, ElasticSearchQuery(model, query_string, fields=fields, filters=filters))
+        return ElasticSearchResults(self, ElasticSearchQuery(model, query_string, fields=fields, filters=filters), prefetch_related=prefetch_related)