diff --git a/lib/read.mli b/lib/read.mli
index 43746bbe..d89dd040 100644
--- a/lib/read.mli
+++ b/lib/read.mli
@@ -143,7 +143,7 @@ val map_ident :
   lexer_state -> (string -> int -> int -> 'a) -> Lexing.lexbuf -> 'a
 (* equivalent to read_ident *)
 
-type variant_kind = [ `Edgy_bracket | `Square_bracket | `Double_quote ]
+type variant_kind = [ `Square_bracket | `Double_quote ]
 
 val start_any_variant : lexer_state -> Lexing.lexbuf -> variant_kind
 val read_lt : lexer_state -> Lexing.lexbuf -> unit
diff --git a/lib/read.mll b/lib/read.mll
index a346ea5f..a7800ddc 100644
--- a/lib/read.mll
+++ b/lib/read.mll
@@ -153,7 +153,7 @@
     let len = lexbuf.lex_curr_pos - lexbuf.lex_start_pos in
     f (Bytes.sub_string lexbuf.lex_buffer lexbuf.lex_start_pos len) 0 len
 
-  type variant_kind = [ `Edgy_bracket | `Square_bracket | `Double_quote ]
+  type variant_kind = [ `Square_bracket | `Double_quote ]
   type tuple_kind = [ `Parenthesis | `Square_bracket ]
 }
 
@@ -364,7 +364,6 @@ and read_comma v = parse
   | eof  { custom_error "Unexpected end of input" v lexbuf }
 
 and start_any_variant v = parse
-    '<'      { `Edgy_bracket }
   | '"'      { Buffer.clear v.buf;
                `Double_quote }
   | '['      { `Square_bracket }
@@ -624,7 +623,6 @@ and read_colon v = parse
   | eof      { custom_error "Unexpected end of input" v lexbuf }
 
 and start_any_tuple v = parse
-    '('      { false }
   | '['      { true }
   | _        { long_error "Expected '(' or '[' but found" v lexbuf }
   | eof      { custom_error "Unexpected end of input" v lexbuf }
diff --git a/test/testable.ml b/test/testable.ml
index 5729a9e7..a340bf2d 100644
--- a/test/testable.ml
+++ b/test/testable.ml
@@ -1,13 +1,11 @@
 let yojson = Alcotest.testable Yojson.Safe.pp Yojson.Safe.equal
 
 let variant_kind_pp fmt = function
-  | `Edgy_bracket -> Format.fprintf fmt "`Edgy_bracket"
   | `Square_bracket -> Format.fprintf fmt "`Square_bracket"
   | `Double_quote -> Format.fprintf fmt "`Double_quote"
 
 let variant_kind_equal a b =
   match (a, b) with
-  | `Edgy_bracket, `Edgy_bracket -> true
   | `Square_bracket, `Square_bracket -> true
   | `Double_quote, `Double_quote -> true
   | _ -> false