diff --git a/synapse/rest/media/v1/thumbnail_resource.py b/synapse/rest/media/v1/thumbnail_resource.py
index 513b445688..40ef22459c 100644
--- a/synapse/rest/media/v1/thumbnail_resource.py
+++ b/synapse/rest/media/v1/thumbnail_resource.py
@@ -72,10 +72,10 @@ class ThumbnailResource(BaseMediaResource):
             self._respond_404(request)
             return
 
-        if media_info["media_type"] == "image/svg+xml":
-            file_path = self.filepaths.local_media_filepath(media_id)
-            yield self._respond_with_file(request, media_info["media_type"], file_path)
-            return
+        # if media_info["media_type"] == "image/svg+xml":
+        #     file_path = self.filepaths.local_media_filepath(media_id)
+        #     yield self._respond_with_file(request, media_info["media_type"], file_path)
+        #     return
 
         thumbnail_infos = yield self.store.get_local_media_thumbnails(media_id)
 
@@ -108,10 +108,10 @@ class ThumbnailResource(BaseMediaResource):
             self._respond_404(request)
             return
 
-        if media_info["media_type"] == "image/svg+xml":
-            file_path = self.filepaths.local_media_filepath(media_id)
-            yield self._respond_with_file(request, media_info["media_type"], file_path)
-            return
+        # if media_info["media_type"] == "image/svg+xml":
+        #     file_path = self.filepaths.local_media_filepath(media_id)
+        #     yield self._respond_with_file(request, media_info["media_type"], file_path)
+        #     return
 
         thumbnail_infos = yield self.store.get_local_media_thumbnails(media_id)
         for info in thumbnail_infos:
@@ -148,10 +148,10 @@ class ThumbnailResource(BaseMediaResource):
                                              desired_method, desired_type):
         media_info = yield self._get_remote_media(server_name, media_id)
 
-        if media_info["media_type"] == "image/svg+xml":
-            file_path = self.filepaths.remote_media_filepath(server_name, media_id)
-            yield self._respond_with_file(request, media_info["media_type"], file_path)
-            return
+        # if media_info["media_type"] == "image/svg+xml":
+        #     file_path = self.filepaths.remote_media_filepath(server_name, media_id)
+        #     yield self._respond_with_file(request, media_info["media_type"], file_path)
+        #     return
 
         thumbnail_infos = yield self.store.get_remote_media_thumbnails(
             server_name, media_id,
@@ -196,10 +196,10 @@ class ThumbnailResource(BaseMediaResource):
         # We should proxy the thumbnail from the remote server instead.
         media_info = yield self._get_remote_media(server_name, media_id)
 
-        if media_info["media_type"] == "image/svg+xml":
-            file_path = self.filepaths.remote_media_filepath(server_name, media_id)
-            yield self._respond_with_file(request, media_info["media_type"], file_path)
-            return
+        # if media_info["media_type"] == "image/svg+xml":
+        #     file_path = self.filepaths.remote_media_filepath(server_name, media_id)
+        #     yield self._respond_with_file(request, media_info["media_type"], file_path)
+        #     return
 
         thumbnail_infos = yield self.store.get_remote_media_thumbnails(
             server_name, media_id,