diff --git a/httpx/_exceptions.py b/httpx/_exceptions.py
index 01758ede69..f6e6a19809 100644
--- a/httpx/_exceptions.py
+++ b/httpx/_exceptions.py
@@ -21,7 +21,6 @@
       - UnsupportedProtocol
     + DecodingError
     + TooManyRedirects
-    + RequestBodyUnavailable
   x HTTPStatusError
 * InvalidURL
 * CookieConflict