diff --git a/compiler/ml/error_message_utils.ml b/compiler/ml/error_message_utils.ml
index c80295c248..819d2287d5 100644
--- a/compiler/ml/error_message_utils.ml
+++ b/compiler/ml/error_message_utils.ml
@@ -233,8 +233,7 @@ let type_clash_context_maybe_option ty_expected ty_res =
   | ( {Types.desc = Tconstr (expected_path, _, _)},
       {Types.desc = Tconstr (type_path, _, _)} )
     when Path.same Predef.path_option type_path
-         && Path.same expected_path Predef.path_option = false
-         && Path.same expected_path Predef.path_uncurried = false ->
+         && Path.same expected_path Predef.path_option = false ->
     Some MaybeUnwrapOption
   | _ -> None
 
diff --git a/compiler/ml/predef.ml b/compiler/ml/predef.ml
index f94a939d27..4f23f6b02b 100644
--- a/compiler/ml/predef.ml
+++ b/compiler/ml/predef.ml
@@ -63,16 +63,14 @@ and ident_unknown = ident_create "unknown"
 
 and ident_promise = ident_create "promise"
 
-and ident_uncurried = ident_create "function$"
-
 type test = For_sure_yes | For_sure_no | NA
 
 let type_is_builtin_path_but_option (p : Path.t) : test =
   match p with
   | Pident {stamp} when stamp = ident_option.stamp -> For_sure_no
   | Pident {stamp} when stamp = ident_unit.stamp -> For_sure_no
-  | Pident {stamp}
-    when stamp >= ident_int.stamp && stamp <= ident_uncurried.stamp ->
+  | Pident {stamp} when stamp >= ident_int.stamp && stamp <= ident_promise.stamp
+    ->
     For_sure_yes
   | _ -> NA
 
@@ -110,8 +108,6 @@ and path_extension_constructor = Pident ident_extension_constructor
 
 and path_promise = Pident ident_promise
 
-and path_uncurried = Pident ident_uncurried
-
 let type_int = newgenty (Tconstr (path_int, [], ref Mnil))
 
 and type_char = newgenty (Tconstr (path_char, [], ref Mnil))
@@ -233,8 +229,6 @@ and ident_some = ident_create "Some"
 
 and ident_ctor_unknown = ident_create "Unknown"
 
-and ident_ctor_uncurried = ident_create "Function$"
-
 let common_initial_env add_type add_extension empty_env =
   let decl_bool =
     {
@@ -319,16 +313,6 @@ let common_initial_env add_type add_extension empty_env =
             ],
             Record_regular );
     }
-  and decl_uncurried =
-    let tvar1 = newgenvar () in
-    {
-      decl_abstr with
-      type_params = [tvar1];
-      type_arity = 1;
-      type_kind = Type_variant [cstr ident_ctor_uncurried [tvar1]];
-      type_variance = [Variance.covariant];
-      type_unboxed = Types.unboxed_true_default_false;
-    }
   and decl_unknown =
     let tvar = newgenvar () in
     {
@@ -395,7 +379,6 @@ let common_initial_env add_type add_extension empty_env =
   |> add_type ident_unit decl_unit
   |> add_type ident_extension_constructor decl_abstr
   |> add_type ident_exn decl_exn
-  |> add_type ident_uncurried decl_uncurried
   |> add_type ident_option decl_option
   |> add_type ident_result decl_result
   |> add_type ident_lazy_t decl_lazy_t
diff --git a/compiler/ml/predef.mli b/compiler/ml/predef.mli
index 7919b802ee..7fc7243f72 100644
--- a/compiler/ml/predef.mli
+++ b/compiler/ml/predef.mli
@@ -51,7 +51,6 @@ val path_bigint : Path.t
 val path_lazy_t : Path.t
 val path_extension_constructor : Path.t
 val path_promise : Path.t
-val path_uncurried : Path.t
 
 val path_match_failure : Path.t
 val path_assert_failure : Path.t