diff --git a/wagtail/wagtailadmin/taggable.py b/wagtail/wagtailadmin/taggable.py
index b551e93023..56f0cf3467 100644
--- a/wagtail/wagtailadmin/taggable.py
+++ b/wagtail/wagtailadmin/taggable.py
@@ -7,7 +7,7 @@ from django.db.models import Count
 from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
 
 from wagtail.wagtailsearch import index
-from wagtail.utils.deprecation import RemovedInWagtail13Warning
+from wagtail.utils.deprecation import RemovedInWagtail14Warning
 
 
 class TagSearchable(index.Indexed):
@@ -34,7 +34,7 @@ class TagSearchable(index.Indexed):
         warnings.warn(
             "The {class_name}.search() method is deprecated. "
             "Please use the {class_name}.objects.search() method instead.".format(class_name=cls.__name__),
-            RemovedInWagtail13Warning, stacklevel=2)
+            RemovedInWagtail14Warning, stacklevel=2)
 
         results = cls.objects.all()
 
diff --git a/wagtail/wagtailcore/models.py b/wagtail/wagtailcore/models.py
index 9fd50c4378..88fca95a4a 100644
--- a/wagtail/wagtailcore/models.py
+++ b/wagtail/wagtailcore/models.py
@@ -42,7 +42,7 @@ from wagtail.wagtailcore.signals import page_published, page_unpublished
 from wagtail.wagtailsearch import index
 from wagtail.wagtailsearch.backends import get_search_backend
 
-from wagtail.utils.deprecation import RemovedInWagtail13Warning
+from wagtail.utils.deprecation import RemovedInWagtail13Warning, RemovedInWagtail14Warning
 
 
 logger = logging.getLogger('wagtail.core')
@@ -641,7 +641,7 @@ class Page(six.with_metaclass(PageBase, MP_Node, ClusterableModel, index.Indexed
         warnings.warn(
             "The Page.search() method is deprecated. "
             "Please use the Page.objects.search() method instead.",
-            RemovedInWagtail13Warning, stacklevel=2)
+            RemovedInWagtail14Warning, stacklevel=2)
 
         # Filters
         filters = extra_filters.copy()