diff --git a/config/config.exs b/config/config.exs
index 303a99f..3d99564 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -7,9 +7,6 @@
 # General application configuration
 use Mix.Config
 
-config :planningpoker,
-  ecto_repos: [Planningpoker.Repo]
-
 # Configures the endpoint
 config :planningpoker, PlanningpokerWeb.Endpoint,
   url: [host: "localhost"],
diff --git a/config/dev.exs b/config/dev.exs
index 07bd9fa..02b4e1c 100644
--- a/config/dev.exs
+++ b/config/dev.exs
@@ -1,14 +1,5 @@
 use Mix.Config
 
-# Configure your database
-config :planningpoker, Planningpoker.Repo,
-  username: "postgres",
-  password: "postgres",
-  database: "planningpoker_dev",
-  hostname: "localhost",
-  show_sensitive_data_on_connection_error: true,
-  pool_size: 10
-
 # For development, we disable any cache and enable
 # debugging and code reloading.
 #
diff --git a/config/prod.secret.exs b/config/prod.secret.exs
index e92518f..f72eb73 100644
--- a/config/prod.secret.exs
+++ b/config/prod.secret.exs
@@ -4,18 +4,6 @@
 # remember to add this file to your .gitignore.
 use Mix.Config
 
-database_url =
-  System.get_env("DATABASE_URL") ||
-    raise """
-    environment variable DATABASE_URL is missing.
-    For example: ecto://USER:PASS@HOST/DATABASE
-    """
-
-config :planningpoker, Planningpoker.Repo,
-  # ssl: true,
-  url: database_url,
-  pool_size: String.to_integer(System.get_env("POOL_SIZE") || "10")
-
 secret_key_base =
   System.get_env("SECRET_KEY_BASE") ||
     raise """
diff --git a/config/test.exs b/config/test.exs
index b61b651..b7a859e 100644
--- a/config/test.exs
+++ b/config/test.exs
@@ -1,17 +1,5 @@
 use Mix.Config
 
-# Configure your database
-#
-# The MIX_TEST_PARTITION environment variable can be used
-# to provide built-in test partitioning in CI environment.
-# Run `mix help test` for more information.
-config :planningpoker, Planningpoker.Repo,
-  username: "postgres",
-  password: "postgres",
-  database: "planningpoker_test#{System.get_env("MIX_TEST_PARTITION")}",
-  hostname: "localhost",
-  pool: Ecto.Adapters.SQL.Sandbox
-
 # We don't run a server during test. If one is required,
 # you can enable the server option below.
 config :planningpoker, PlanningpokerWeb.Endpoint,
diff --git a/lib/planningpoker/application.ex b/lib/planningpoker/application.ex
index 2808459..a188d17 100644
--- a/lib/planningpoker/application.ex
+++ b/lib/planningpoker/application.ex
@@ -7,8 +7,6 @@ defmodule Planningpoker.Application do
 
   def start(_type, _args) do
     children = [
-      # Start the Ecto repository
-      Planningpoker.Repo,
       # Start the Telemetry supervisor
       PlanningpokerWeb.Telemetry,
       # Start the PubSub system
diff --git a/lib/planningpoker/repo.ex b/lib/planningpoker/repo.ex
deleted file mode 100644
index db9c51b..0000000
--- a/lib/planningpoker/repo.ex
+++ /dev/null
@@ -1,5 +0,0 @@
-defmodule Planningpoker.Repo do
-  use Ecto.Repo,
-    otp_app: :planningpoker,
-    adapter: Ecto.Adapters.Postgres
-end
diff --git a/lib/planningpoker_web/endpoint.ex b/lib/planningpoker_web/endpoint.ex
index 545de61..1ad09d3 100644
--- a/lib/planningpoker_web/endpoint.ex
+++ b/lib/planningpoker_web/endpoint.ex
@@ -32,7 +32,6 @@ defmodule PlanningpokerWeb.Endpoint do
     socket "/phoenix/live_reload/socket", Phoenix.LiveReloader.Socket
     plug Phoenix.LiveReloader
     plug Phoenix.CodeReloader
-    plug Phoenix.Ecto.CheckRepoStatus, otp_app: :planningpoker
   end
 
   plug Phoenix.LiveDashboard.RequestLogger,
diff --git a/lib/planningpoker_web/telemetry.ex b/lib/planningpoker_web/telemetry.ex
index 8602c3a..ba3ad0f 100644
--- a/lib/planningpoker_web/telemetry.ex
+++ b/lib/planningpoker_web/telemetry.ex
@@ -28,13 +28,6 @@ defmodule PlanningpokerWeb.Telemetry do
         unit: {:native, :millisecond}
       ),
 
-      # Database Metrics
-      summary("planningpoker.repo.query.total_time", unit: {:native, :millisecond}),
-      summary("planningpoker.repo.query.decode_time", unit: {:native, :millisecond}),
-      summary("planningpoker.repo.query.query_time", unit: {:native, :millisecond}),
-      summary("planningpoker.repo.query.queue_time", unit: {:native, :millisecond}),
-      summary("planningpoker.repo.query.idle_time", unit: {:native, :millisecond}),
-
       # VM Metrics
       summary("vm.memory.total", unit: {:byte, :kilobyte}),
       summary("vm.total_run_queue_lengths.total"),
diff --git a/mix.exs b/mix.exs
index 62c2d31..c118b61 100644
--- a/mix.exs
+++ b/mix.exs
@@ -34,9 +34,6 @@ defmodule Planningpoker.MixProject do
   defp deps do
     [
       {:phoenix, "~> 1.5.1"},
-      {:phoenix_ecto, "~> 4.1"},
-      {:ecto_sql, "~> 3.4"},
-      {:postgrex, ">= 0.0.0"},
       {:phoenix_html, "~> 2.11"},
       {:phoenix_live_reload, "~> 1.2", only: :dev},
       {:phoenix_live_dashboard, "~> 0.2.0"},
@@ -56,10 +53,7 @@ defmodule Planningpoker.MixProject do
   # See the documentation for `Mix` for more info on aliases.
   defp aliases do
     [
-      setup: ["deps.get", "ecto.setup", "cmd npm install --prefix assets"],
-      "ecto.setup": ["ecto.create", "ecto.migrate", "run priv/repo/seeds.exs"],
-      "ecto.reset": ["ecto.drop", "ecto.setup"],
-      test: ["ecto.create --quiet", "ecto.migrate", "test"]
+      setup: ["deps.get", "cmd npm install --prefix assets"]
     ]
   end
 end
diff --git a/priv/gettext/en/LC_MESSAGES/errors.po b/priv/gettext/en/LC_MESSAGES/errors.po
index a589998..cdec3a1 100644
--- a/priv/gettext/en/LC_MESSAGES/errors.po
+++ b/priv/gettext/en/LC_MESSAGES/errors.po
@@ -9,89 +9,3 @@
 msgid ""
 msgstr ""
 "Language: en\n"
-
-## From Ecto.Changeset.cast/4
-msgid "can't be blank"
-msgstr ""
-
-## From Ecto.Changeset.unique_constraint/3
-msgid "has already been taken"
-msgstr ""
-
-## From Ecto.Changeset.put_change/3
-msgid "is invalid"
-msgstr ""
-
-## From Ecto.Changeset.validate_acceptance/3
-msgid "must be accepted"
-msgstr ""
-
-## From Ecto.Changeset.validate_format/3
-msgid "has invalid format"
-msgstr ""
-
-## From Ecto.Changeset.validate_subset/3
-msgid "has an invalid entry"
-msgstr ""
-
-## From Ecto.Changeset.validate_exclusion/3
-msgid "is reserved"
-msgstr ""
-
-## From Ecto.Changeset.validate_confirmation/3
-msgid "does not match confirmation"
-msgstr ""
-
-## From Ecto.Changeset.no_assoc_constraint/3
-msgid "is still associated with this entry"
-msgstr ""
-
-msgid "are still associated with this entry"
-msgstr ""
-
-## From Ecto.Changeset.validate_length/3
-msgid "should be %{count} character(s)"
-msgid_plural "should be %{count} character(s)"
-msgstr[0] ""
-msgstr[1] ""
-
-msgid "should have %{count} item(s)"
-msgid_plural "should have %{count} item(s)"
-msgstr[0] ""
-msgstr[1] ""
-
-msgid "should be at least %{count} character(s)"
-msgid_plural "should be at least %{count} character(s)"
-msgstr[0] ""
-msgstr[1] ""
-
-msgid "should have at least %{count} item(s)"
-msgid_plural "should have at least %{count} item(s)"
-msgstr[0] ""
-msgstr[1] ""
-
-msgid "should be at most %{count} character(s)"
-msgid_plural "should be at most %{count} character(s)"
-msgstr[0] ""
-msgstr[1] ""
-
-msgid "should have at most %{count} item(s)"
-msgid_plural "should have at most %{count} item(s)"
-msgstr[0] ""
-msgstr[1] ""
-
-## From Ecto.Changeset.validate_number/3
-msgid "must be less than %{number}"
-msgstr ""
-
-msgid "must be greater than %{number}"
-msgstr ""
-
-msgid "must be less than or equal to %{number}"
-msgstr ""
-
-msgid "must be greater than or equal to %{number}"
-msgstr ""
-
-msgid "must be equal to %{number}"
-msgstr ""
diff --git a/priv/gettext/errors.pot b/priv/gettext/errors.pot
index 39a220b..d6f47fa 100644
--- a/priv/gettext/errors.pot
+++ b/priv/gettext/errors.pot
@@ -8,88 +8,3 @@
 ## date. Leave `msgstr`s empty as changing them here has no
 ## effect: edit them in PO (`.po`) files instead.
 
-## From Ecto.Changeset.cast/4
-msgid "can't be blank"
-msgstr ""
-
-## From Ecto.Changeset.unique_constraint/3
-msgid "has already been taken"
-msgstr ""
-
-## From Ecto.Changeset.put_change/3
-msgid "is invalid"
-msgstr ""
-
-## From Ecto.Changeset.validate_acceptance/3
-msgid "must be accepted"
-msgstr ""
-
-## From Ecto.Changeset.validate_format/3
-msgid "has invalid format"
-msgstr ""
-
-## From Ecto.Changeset.validate_subset/3
-msgid "has an invalid entry"
-msgstr ""
-
-## From Ecto.Changeset.validate_exclusion/3
-msgid "is reserved"
-msgstr ""
-
-## From Ecto.Changeset.validate_confirmation/3
-msgid "does not match confirmation"
-msgstr ""
-
-## From Ecto.Changeset.no_assoc_constraint/3
-msgid "is still associated with this entry"
-msgstr ""
-
-msgid "are still associated with this entry"
-msgstr ""
-
-## From Ecto.Changeset.validate_length/3
-msgid "should be %{count} character(s)"
-msgid_plural "should be %{count} character(s)"
-msgstr[0] ""
-msgstr[1] ""
-
-msgid "should have %{count} item(s)"
-msgid_plural "should have %{count} item(s)"
-msgstr[0] ""
-msgstr[1] ""
-
-msgid "should be at least %{count} character(s)"
-msgid_plural "should be at least %{count} character(s)"
-msgstr[0] ""
-msgstr[1] ""
-
-msgid "should have at least %{count} item(s)"
-msgid_plural "should have at least %{count} item(s)"
-msgstr[0] ""
-msgstr[1] ""
-
-msgid "should be at most %{count} character(s)"
-msgid_plural "should be at most %{count} character(s)"
-msgstr[0] ""
-msgstr[1] ""
-
-msgid "should have at most %{count} item(s)"
-msgid_plural "should have at most %{count} item(s)"
-msgstr[0] ""
-msgstr[1] ""
-
-## From Ecto.Changeset.validate_number/3
-msgid "must be less than %{number}"
-msgstr ""
-
-msgid "must be greater than %{number}"
-msgstr ""
-
-msgid "must be less than or equal to %{number}"
-msgstr ""
-
-msgid "must be greater than or equal to %{number}"
-msgstr ""
-
-msgid "must be equal to %{number}"
-msgstr ""
diff --git a/priv/repo/migrations/.formatter.exs b/priv/repo/migrations/.formatter.exs
deleted file mode 100644
index 49f9151..0000000
--- a/priv/repo/migrations/.formatter.exs
+++ /dev/null
@@ -1,4 +0,0 @@
-[
-  import_deps: [:ecto_sql],
-  inputs: ["*.exs"]
-]
diff --git a/priv/repo/seeds.exs b/priv/repo/seeds.exs
deleted file mode 100644
index 38fb856..0000000
--- a/priv/repo/seeds.exs
+++ /dev/null
@@ -1,11 +0,0 @@
-# Script for populating the database. You can run it as:
-#
-#     mix run priv/repo/seeds.exs
-#
-# Inside the script, you can read and write to any of your
-# repositories directly:
-#
-#     Planningpoker.Repo.insert!(%Planningpoker.SomeSchema{})
-#
-# We recommend using the bang functions (`insert!`, `update!`
-# and so on) as they will fail if something goes wrong.
diff --git a/test/support/channel_case.ex b/test/support/channel_case.ex
index f7b689f..4c9013f 100644
--- a/test/support/channel_case.ex
+++ b/test/support/channel_case.ex
@@ -28,13 +28,7 @@ defmodule PlanningpokerWeb.ChannelCase do
     end
   end
 
-  setup tags do
-    :ok = Ecto.Adapters.SQL.Sandbox.checkout(Planningpoker.Repo)
-
-    unless tags[:async] do
-      Ecto.Adapters.SQL.Sandbox.mode(Planningpoker.Repo, {:shared, self()})
-    end
-
+  setup _tags do
     :ok
   end
 end
diff --git a/test/support/conn_case.ex b/test/support/conn_case.ex
index f9942a3..ac1ae29 100644
--- a/test/support/conn_case.ex
+++ b/test/support/conn_case.ex
@@ -31,13 +31,7 @@ defmodule PlanningpokerWeb.ConnCase do
     end
   end
 
-  setup tags do
-    :ok = Ecto.Adapters.SQL.Sandbox.checkout(Planningpoker.Repo)
-
-    unless tags[:async] do
-      Ecto.Adapters.SQL.Sandbox.mode(Planningpoker.Repo, {:shared, self()})
-    end
-
+  setup _tags do
     {:ok, conn: Phoenix.ConnTest.build_conn()}
   end
 end
diff --git a/test/support/data_case.ex b/test/support/data_case.ex
deleted file mode 100644
index 83f3e2b..0000000
--- a/test/support/data_case.ex
+++ /dev/null
@@ -1,55 +0,0 @@
-defmodule Planningpoker.DataCase do
-  @moduledoc """
-  This module defines the setup for tests requiring
-  access to the application's data layer.
-
-  You may define functions here to be used as helpers in
-  your tests.
-
-  Finally, if the test case interacts with the database,
-  we enable the SQL sandbox, so changes done to the database
-  are reverted at the end of every test. If you are using
-  PostgreSQL, you can even run database tests asynchronously
-  by setting `use Planningpoker.DataCase, async: true`, although
-  this option is not recommended for other databases.
-  """
-
-  use ExUnit.CaseTemplate
-
-  using do
-    quote do
-      alias Planningpoker.Repo
-
-      import Ecto
-      import Ecto.Changeset
-      import Ecto.Query
-      import Planningpoker.DataCase
-    end
-  end
-
-  setup tags do
-    :ok = Ecto.Adapters.SQL.Sandbox.checkout(Planningpoker.Repo)
-
-    unless tags[:async] do
-      Ecto.Adapters.SQL.Sandbox.mode(Planningpoker.Repo, {:shared, self()})
-    end
-
-    :ok
-  end
-
-  @doc """
-  A helper that transforms changeset errors into a map of messages.
-
-      assert {:error, changeset} = Accounts.create_user(%{password: "short"})
-      assert "password is too short" in errors_on(changeset).password
-      assert %{password: ["password is too short"]} = errors_on(changeset)
-
-  """
-  def errors_on(changeset) do
-    Ecto.Changeset.traverse_errors(changeset, fn {message, opts} ->
-      Regex.replace(~r"%{(\w+)}", message, fn _, key ->
-        opts |> Keyword.get(String.to_existing_atom(key), key) |> to_string()
-      end)
-    end)
-  end
-end
diff --git a/test/test_helper.exs b/test/test_helper.exs
index 522047a..869559e 100644
--- a/test/test_helper.exs
+++ b/test/test_helper.exs
@@ -1,2 +1 @@
 ExUnit.start()
-Ecto.Adapters.SQL.Sandbox.mode(Planningpoker.Repo, :manual)