--- ./piqilib/piq_lexer.ml
+++ ./piqilib/piq_lexer.ml
@@ -476,11 +476,6 @@ let init_from_string s =
   make_buf lexbuf
 
 
-let init_from_stream s =
-  let lexbuf = Sedlexing.Utf8.from_stream s in
-  make_buf lexbuf
-
-
 let init_from_channel ch =
   let lexbuf = Sedlexing.Utf8.from_channel ch in
   make_buf lexbuf