diff --git a/Gemfile b/Gemfile
deleted file mode 100644
index 814ec895f..000000000
--- a/Gemfile
+++ /dev/null
@@ -1,5 +0,0 @@
-source "https://rubygems.org"
-
-gem 'danger'
-gem 'image_size', '~> 2.0'
-gem 'json-schema'
\ No newline at end of file
diff --git a/Gemfile.lock b/Gemfile.lock
deleted file mode 100644
index 3a00bb1c5..000000000
--- a/Gemfile.lock
+++ /dev/null
@@ -1,66 +0,0 @@
-GEM
-  remote: https://rubygems.org/
-  specs:
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
-    claide (1.0.3)
-    claide-plugins (0.9.2)
-      cork
-      nap
-      open4 (~> 1.3)
-    colored2 (3.1.2)
-    cork (0.3.0)
-      colored2 (~> 3.1)
-    danger (6.3.2)
-      claide (~> 1.0)
-      claide-plugins (>= 0.9.2)
-      colored2 (~> 3.1)
-      cork (~> 0.1)
-      faraday (~> 0.9)
-      faraday-http-cache (~> 2.0)
-      git (~> 1.6)
-      kramdown (~> 2.0)
-      kramdown-parser-gfm (~> 1.0)
-      no_proxy_fix
-      octokit (~> 4.7)
-      terminal-table (~> 1)
-    faraday (0.17.3)
-      multipart-post (>= 1.2, < 3)
-    faraday-http-cache (2.1.0)
-      faraday (~> 0.8)
-    git (1.6.0)
-      rchardet (~> 1.8)
-    image_size (2.0.2)
-    json-schema (2.8.1)
-      addressable (>= 2.4)
-    kramdown (2.3.0)
-      rexml
-    kramdown-parser-gfm (1.1.0)
-      kramdown (~> 2.0)
-    multipart-post (2.1.1)
-    nap (1.1.0)
-    no_proxy_fix (0.1.2)
-    octokit (4.18.0)
-      faraday (>= 0.9)
-      sawyer (~> 0.8.0, >= 0.5.3)
-    open4 (1.3.4)
-    public_suffix (4.0.4)
-    rchardet (1.8.0)
-    rexml (3.2.4)
-    sawyer (0.8.2)
-      addressable (>= 2.3.5)
-      faraday (> 0.8, < 2.0)
-    terminal-table (1.8.0)
-      unicode-display_width (~> 1.1, >= 1.1.1)
-    unicode-display_width (1.7.0)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  danger
-  image_size (~> 2.0)
-  json-schema
-
-BUNDLED WITH
-   1.17.2
diff --git a/dangerfile.ts b/dangerfile.ts
deleted file mode 100644
index bc034f0c6..000000000
--- a/dangerfile.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-import { fail, warn, markdown } from "danger";
-import { sanityCheckAll } from "./script/generic/update-all";
-
-sanityCheckAll().then(([errors, warnings]) => {
-    errors.forEach(err => fail(err));
-    warnings.forEach(err => warn(err));
-    if (errors.length > 0 || warnings.length > 0) {
-        markdown("Please fix the errors/warnings above.  Files can be replaced/renamed in this pull request (using command-line, or GitHub Desktop).  Alternatively, you may close this pull request and open a new one.");
-    }
-});