diff --git a/posts.py b/posts.py
index 0d0b82f5e..851d0dbc7 100644
--- a/posts.py
+++ b/posts.py
@@ -941,10 +941,28 @@ def save_post_to_box(base_dir: str, http_prefix: str, post_id: str,
 
     save_json(post_json_object, filename)
     # if this is an outbox post with a duplicate in the inbox then save to both
+    # This happens for edited posts
     if '/outbox/' in filename:
         inbox_filename = filename.replace('/outbox/', '/inbox/')
         if os.path.isfile(inbox_filename):
             save_json(post_json_object, inbox_filename)
+            base_filename = \
+                filename.replace('/outbox/',
+                                 '/postcache/').replace('.json', '')
+            ssml_filename = base_filename + '.ssml'
+            if os.path.isfile(ssml_filename):
+                try:
+                    os.remove(ssml_filename)
+                except OSError:
+                    print('EX: save_post_to_box unable to delete ssml file ' +
+                          ssml_filename)
+            html_filename = base_filename + '.html'
+            if os.path.isfile(html_filename):
+                try:
+                    os.remove(html_filename)
+                except OSError:
+                    print('EX: save_post_to_box unable to delete html file ' +
+                          html_filename)
     return filename