7 files changed, 11 insertions, 16 deletions
diff --git a/lib/elixir/lib/enum.ex b/lib/elixir/lib/enum.ex
index 35797277b..e7752be51 100644
--- a/lib/elixir/lib/enum.ex
+++ b/lib/elixir/lib/enum.ex
@@ -2450,8 +2450,8 @@ defmodule Enum do
   end
 
   @doc false
-  # TODO: Deprecate by 1.4
   def uniq(enumerable, fun) do
+    IO.warn "Enum.uniq/2 is deprecated, use Enum.uniq_by/2 instead"
     uniq_by(enumerable, fun)
   end
 
diff --git a/lib/elixir/lib/float.ex b/lib/elixir/lib/float.ex
index 7ec9bbc39..fd3a2806a 100644
--- a/lib/elixir/lib/float.ex
+++ b/lib/elixir/lib/float.ex
@@ -214,15 +214,15 @@ defmodule Float do
   @doc false
   def to_char_list(float), do: Float.to_charlist(float)
 
-  # TODO: Deprecate by v1.4
   @doc false
   def to_char_list(float, options) do
+    IO.warn "Float.to_char_list/2 is deprecated, use :erlang.float_to_list/2 instead"
     :erlang.float_to_list(float, expand_compact(options))
   end
 
-  # TODO: Deprecate by v1.4
   @doc false
   def to_string(float, options) do
+    IO.warn "Float.to_string/2 is deprecated, use :erlang.float_to_binary/2 instead"
     :erlang.float_to_binary(float, expand_compact(options))
   end
 
diff --git a/lib/elixir/lib/stream.ex b/lib/elixir/lib/stream.ex
index 12bb616fd..8212cc040 100644
--- a/lib/elixir/lib/stream.ex
+++ b/lib/elixir/lib/stream.ex
@@ -844,8 +844,8 @@ defmodule Stream do
   end
 
   @doc false
-  # TODO: Deprecate by 1.4
   def uniq(enum, fun) do
+    IO.warn "Stream.uniq/2 is deprecated, use Stream.uniq_by/2 instead"
     uniq_by(enum, fun)
   end
 
diff --git a/lib/elixir/test/elixir/kernel/typespec_test.exs b/lib/elixir/test/elixir/kernel/typespec_test.exs
index 7a002a936..9bebee7e6 100644
--- a/lib/elixir/test/elixir/kernel/typespec_test.exs
+++ b/lib/elixir/test/elixir/kernel/typespec_test.exs
@@ -1,7 +1,7 @@
 Code.require_file "../test_helper.exs", __DIR__
 
 defmodule Kernel.TypespecTest do
-  use ExUnit.Case, async: true
+  use ExUnit.Case
 
   alias Kernel.TypespecTest.TestTypespec
 
diff --git a/lib/elixir/test/elixir/stream_test.exs b/lib/elixir/test/elixir/stream_test.exs
index 7d18be9ef..38cdf8fdb 100644
--- a/lib/elixir/test/elixir/stream_test.exs
+++ b/lib/elixir/test/elixir/stream_test.exs
@@ -866,11 +866,7 @@ defmodule StreamTest do
   end
 
   test "uniq/1 & uniq/2" do
-    assert Stream.uniq([1, 2, 3, 2, 1]) |> Enum.to_list ==
-           [1, 2, 3]
-
-    assert Stream.uniq([{1, :x}, {2, :y}, {1, :z}], fn {x, _} -> x end) |> Enum.to_list ==
-           [{1, :x}, {2, :y}]
+    assert Stream.uniq([1, 2, 3, 2, 1]) |> Enum.to_list == [1, 2, 3]
   end
 
   test "uniq_by/2" do
diff --git a/lib/mix/lib/mix/tasks/new.ex b/lib/mix/lib/mix/tasks/new.ex
index 1f162f5a0..3defbeed8 100644
--- a/lib/mix/lib/mix/tasks/new.ex
+++ b/lib/mix/lib/mix/tasks/new.ex
@@ -2,7 +2,6 @@ defmodule Mix.Tasks.New do
   use Mix.Task
 
   import Mix.Generator
-  import Mix.Utils, only: [camelize: 1]
 
   @shortdoc "Creates a new Elixir project"
 
@@ -55,7 +54,7 @@ defmodule Mix.Tasks.New do
       [path | _] ->
         app = opts[:app] || Path.basename(Path.expand(path))
         check_application_name!(app, !!opts[:app])
-        mod = opts[:module] || camelize(app)
+        mod = opts[:module] || Macro.camelize(app)
         check_mod_name_validity!(mod)
         check_mod_name_availability!(mod)
         File.mkdir_p!(path)
diff --git a/lib/mix/lib/mix/utils.ex b/lib/mix/lib/mix/utils.ex
index 8d2ab5d74..ce6cbdd30 100644
--- a/lib/mix/lib/mix/utils.ex
+++ b/lib/mix/lib/mix/utils.ex
@@ -236,14 +236,14 @@ defmodule Mix.Utils do
   end
 
   @doc false
-  # TODO: Deprecate by 1.4
   def underscore(value) do
+    IO.warn "Mix.Utils.underscore/1 is deprecated, use Macro.underscore/1 instead"
     Macro.underscore(value)
   end
 
   @doc false
-  # TODO: Deprecate by 1.4
   def camelize(value) do
+    IO.warn "Mix.Utils.camelize/1 is deprecated, use Macro.camelize/1 instead"
     Macro.camelize(value)
   end
 
@@ -273,7 +273,7 @@ defmodule Mix.Utils do
     |> to_string()
     |> String.split(".")
     |> Enum.drop(nesting)
-    |> Enum.map_join(".", &underscore/1)
+    |> Enum.map_join(".", &Macro.underscore/1)
   end
 
   @doc """
@@ -289,7 +289,7 @@ defmodule Mix.Utils do
     command
     |> to_string()
     |> String.split(".")
-    |> Enum.map_join(".", &camelize/1)
+    |> Enum.map_join(".", &Macro.camelize/1)
   end
 
   @doc """