diff --git a/wagtail/utils/deprecation.py b/wagtail/utils/deprecation.py
index 6b4765a5eb..dd8d89e918 100644
--- a/wagtail/utils/deprecation.py
+++ b/wagtail/utils/deprecation.py
@@ -4,7 +4,3 @@ class RemovedInWagtail07Warning(DeprecationWarning):
 
 class RemovedInWagtail08Warning(PendingDeprecationWarning):
     pass
-
-
-class RemovedInWagtail08Warning(PendingDeprecationWarning):
-    pass