4 files changed, 3 insertions, 110 deletions
diff --git a/src/gleam/bool.gleam b/src/gleam/bool.gleam
index 6c14d68..26a6ac4 100644
--- a/src/gleam/bool.gleam
+++ b/src/gleam/bool.gleam
@@ -6,8 +6,6 @@
 //// field consider having a `role: SchoolRole` field where `SchoolRole` is a custom
 //// type that can be either `Student` or `Teacher`.
 
-import gleam/order.{type Order}
-
 /// Returns the and of two bools, but it evaluates both arguments.
 ///
 /// It's the function equivalent of the `&&` operator.
@@ -192,24 +190,6 @@ pub fn exclusive_nor(a: Bool, b: Bool) -> Bool {
   a == b
 }
 
-@deprecated("Please use a case expression to get the behaviour you desire")
-pub fn compare(a: Bool, with b: Bool) -> Order {
-  case a, b {
-    True, True -> order.Eq
-    True, False -> order.Gt
-    False, False -> order.Eq
-    False, True -> order.Lt
-  }
-}
-
-@deprecated("Please use a case expression to get the behaviour you desire")
-pub fn to_int(bool: Bool) -> Int {
-  case bool {
-    False -> 0
-    True -> 1
-  }
-}
-
 /// Returns a string representation of the given bool.
 ///
 /// ## Examples
diff --git a/src/gleam/function.gleam b/src/gleam/function.gleam
index 824f373..8c2a571 100644
--- a/src/gleam/function.gleam
+++ b/src/gleam/function.gleam
@@ -1,35 +1,3 @@
-@deprecated("Use a fn literal instead, it is easier to understand")
-pub fn compose(fun1: fn(a) -> b, fun2: fn(b) -> c) -> fn(a) -> c {
-  fn(a) { fun2(fun1(a)) }
-}
-
-@deprecated("Use the anonymous function syntax instead")
-pub fn curry2(fun: fn(a, b) -> value) {
-  fn(a) { fn(b) { fun(a, b) } }
-}
-
-@deprecated("Use the anonymous function syntax instead")
-pub fn curry3(fun: fn(a, b, c) -> value) {
-  fn(a) { fn(b) { fn(c) { fun(a, b, c) } } }
-}
-
-@deprecated("Use the anonymous function syntax instead")
-pub fn curry4(fun: fn(a, b, c, d) -> value) {
-  fn(a) { fn(b) { fn(c) { fn(d) { fun(a, b, c, d) } } } }
-}
-
-@deprecated("Use the anonymous function syntax instead")
-pub fn curry5(fun: fn(a, b, c, d, e) -> value) {
-  fn(a) { fn(b) { fn(c) { fn(d) { fn(e) { fun(a, b, c, d, e) } } } } }
-}
-
-@deprecated("Use the anonymous function syntax instead")
-pub fn curry6(fun: fn(a, b, c, d, e, f) -> value) {
-  fn(a) {
-    fn(b) { fn(c) { fn(d) { fn(e) { fn(f) { fun(a, b, c, d, e, f) } } } } }
-  }
-}
-
 /// Takes a function that takes two arguments and returns a new function that
 /// takes the same two arguments, but in reverse order.
 ///
@@ -43,11 +11,6 @@ pub fn identity(x: a) -> a {
   x
 }
 
-@deprecated("Use a fn literal instead, it is easier to understand")
-pub fn constant(value: a) -> fn(b) -> a {
-  fn(_) { value }
-}
-
 /// Takes an argument and a single function,
 /// calls that function with that argument
 /// and returns that argument instead of the function return value.
@@ -57,18 +20,3 @@ pub fn tap(arg: a, effect: fn(a) -> b) -> a {
   effect(arg)
   arg
 }
-
-@deprecated("Use a fn literal instead, it is easier to understand")
-pub fn apply1(fun: fn(a) -> value, arg1: a) -> value {
-  fun(arg1)
-}
-
-@deprecated("Use a fn literal instead, it is easier to understand")
-pub fn apply2(fun: fn(a, b) -> value, arg1: a, arg2: b) -> value {
-  fun(arg1, arg2)
-}
-
-@deprecated("Use a fn literal instead, it is easier to understand")
-pub fn apply3(fun: fn(a, b, c) -> value, arg1: a, arg2: b, arg3: c) -> value {
-  fun(arg1, arg2, arg3)
-}
diff --git a/src/gleam/list.gleam b/src/gleam/list.gleam
index c4211f8..b3ab350 100644
--- a/src/gleam/list.gleam
+++ b/src/gleam/list.gleam
@@ -679,27 +679,11 @@ fn reverse_and_prepend(list prefix: List(a), to suffix: List(a)) -> List(a) {
   }
 }
 
-/// Joins a list of lists into a single list.
-///
-/// This function traverses all elements twice.
-///
-/// ## Examples
-///
-/// ```gleam
-/// concat([[1], [2, 3], []])
-/// // -> [1, 2, 3]
-/// ```
-///
-@deprecated("Use `list.flatten` instead.")
-pub fn concat(lists: List(List(a))) -> List(a) {
-  concat_loop(lists, [])
-}
-
-fn concat_loop(lists: List(List(a)), acc: List(a)) -> List(a) {
+fn flatten_loop(lists: List(List(a)), acc: List(a)) -> List(a) {
   case lists {
     [] -> reverse(acc)
     [list, ..further_lists] ->
-      concat_loop(further_lists, reverse_and_prepend(list: list, to: acc))
+      flatten_loop(further_lists, reverse_and_prepend(list: list, to: acc))
   }
 }
 
@@ -716,7 +700,7 @@ fn concat_loop(lists: List(List(a)), acc: List(a)) -> List(a) {
 /// ```
 ///
 pub fn flatten(lists: List(List(a))) -> List(a) {
-  concat_loop(lists, [])
+  flatten_loop(lists, [])
 }
 
 /// Maps the list with the given function into a list of lists, and then flattens it.
diff --git a/src/gleam/result.gleam b/src/gleam/result.gleam
index 0911f26..9e00082 100644
--- a/src/gleam/result.gleam
+++ b/src/gleam/result.gleam
@@ -262,25 +262,6 @@ pub fn unwrap_both(result: Result(a, a)) -> a {
   }
 }
 
-/// Transforms any error into `Error(Nil)`.
-///
-/// ## Examples
-///
-/// ```gleam
-/// nil_error(Error(1))
-/// // -> Error(Nil)
-/// ```
-///
-/// ```gleam
-/// nil_error(Ok(1))
-/// // -> Ok(1)
-/// ```
-///
-@deprecated("Use `result.replace_error` with the `Nil` value instead")
-pub fn nil_error(result: Result(a, e)) -> Result(a, Nil) {
-  replace_error(result, Nil)
-}
-
 /// Returns the first value if it is `Ok`, otherwise returns the second value.
 ///
 /// ## Examples