diff --git a/.travis.yml b/.travis.yml
index da9190e..b64276b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,7 +17,6 @@ script:
   - mix compile --warnings-as-errors
   - mix coveralls.travis --max-cases 1
   - mix credo
-  - mix dialyzer --halt-exit-status
 
 cache:
   directories:
diff --git a/mix.exs b/mix.exs
index 3b13339..baed54b 100644
--- a/mix.exs
+++ b/mix.exs
@@ -12,15 +12,6 @@ defmodule Lob.Mixfile do
       description: "Lob Elixir Library",
       package: package(),
       deps: deps(),
-      dialyzer: [
-        flags: [
-          :error_handling,
-          :no_opaque,
-          :race_conditions,
-          :unknown
-        ],
-        ignore_warnings: ".dialyzer_ignore"
-      ]
     ]
   end
 
@@ -34,7 +25,6 @@ defmodule Lob.Mixfile do
     [
       {:bypass, "~> 0.8", only: :test},
       {:credo, "~> 0.8", only: [:dev, :test], runtime: false},
-      {:dialyxir, "~> 0.5.1", only: [:dev, :test], runtime: false},
       {:excoveralls, "~> 0.7.4", only: :test},
       {:httpoison, "~> 0.13"},
       {:poison, "~> 3.1"},
diff --git a/mix.lock b/mix.lock
index 7305cc8..5b24c0a 100644
--- a/mix.lock
+++ b/mix.lock
@@ -5,7 +5,6 @@
   "cowboy": {:hex, :cowboy, "1.1.2", "61ac29ea970389a88eca5a65601460162d370a70018afe6f949a29dca91f3bb0", [:rebar3], [{:cowlib, "~> 1.0.2", [hex: :cowlib, repo: "hexpm", optional: false]}, {:ranch, "~> 1.3.2", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm"},
   "cowlib": {:hex, :cowlib, "1.0.2", "9d769a1d062c9c3ac753096f868ca121e2730b9a377de23dec0f7e08b1df84ee", [:make], [], "hexpm"},
   "credo": {:hex, :credo, "0.8.10", "261862bb7363247762e1063713bb85df2bbd84af8d8610d1272cd9c1943bba63", [:mix], [{:bunt, "~> 0.2.0", [hex: :bunt, repo: "hexpm", optional: false]}], "hexpm"},
-  "dialyxir": {:hex, :dialyxir, "0.5.1", "b331b091720fd93e878137add264bac4f644e1ddae07a70bf7062c7862c4b952", [:mix], [], "hexpm"},
   "excoveralls": {:hex, :excoveralls, "0.7.5", "339e433e5d3bce09400dc8de7b9040741a409c93917849916c136a0f51fdc183", [:mix], [{:exjsx, ">= 3.0.0", [hex: :exjsx, repo: "hexpm", optional: false]}, {:hackney, ">= 0.12.0", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm"},
   "exjsx": {:hex, :exjsx, "4.0.0", "60548841e0212df401e38e63c0078ec57b33e7ea49b032c796ccad8cde794b5c", [:mix], [{:jsx, "~> 2.8.0", [hex: :jsx, repo: "hexpm", optional: false]}], "hexpm"},
   "hackney": {:hex, :hackney, "1.10.1", "c38d0ca52ea80254936a32c45bb7eb414e7a96a521b4ce76d00a69753b157f21", [:rebar3], [{:certifi, "2.0.0", [hex: :certifi, repo: "hexpm", optional: false]}, {:idna, "5.1.0", [hex: :idna, repo: "hexpm", optional: false]}, {:metrics, "1.0.1", [hex: :metrics, repo: "hexpm", optional: false]}, {:mimerl, "1.0.2", [hex: :mimerl, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "1.1.1", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}], "hexpm"},