diff --git a/lib/qiita/markdown.rb b/lib/qiita/markdown.rb
index c6fa723..e32de1b 100644
--- a/lib/qiita/markdown.rb
+++ b/lib/qiita/markdown.rb
@@ -10,7 +10,6 @@
 require "qiita/markdown/embed/code_pen"
 require "qiita/markdown/embed/tweet"
 require "qiita/markdown/embed/asciinema"
-require "qiita/markdown/embed/gist"
 require "qiita/markdown/embed/youtube"
 require "qiita/markdown/embed/slide_share"
 require "qiita/markdown/embed/google_slide"
diff --git a/lib/qiita/markdown/embed/gist.rb b/lib/qiita/markdown/embed/gist.rb
deleted file mode 100644
index 7d3aabe..0000000
--- a/lib/qiita/markdown/embed/gist.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-module Qiita
-  module Markdown
-    module Embed
-      module Gist
-        SCRIPT_HOST = "gist.github.com".freeze
-      end
-    end
-  end
-end
diff --git a/lib/qiita/markdown/transformers/filter_script.rb b/lib/qiita/markdown/transformers/filter_script.rb
index 746b1cb..fc70021 100644
--- a/lib/qiita/markdown/transformers/filter_script.rb
+++ b/lib/qiita/markdown/transformers/filter_script.rb
@@ -10,7 +10,6 @@ class FilterScript
 
         HOST_WHITE_LIST = [
           Embed::Asciinema::SCRIPT_HOST,
-          Embed::Gist::SCRIPT_HOST,
         ].flatten.freeze
 
         def self.call(*args)
diff --git a/spec/qiita/markdown/processor_spec.rb b/spec/qiita/markdown/processor_spec.rb
index 3527c6f..68c00cf 100644
--- a/spec/qiita/markdown/processor_spec.rb
+++ b/spec/qiita/markdown/processor_spec.rb
@@ -1451,28 +1451,6 @@
         end
       end
 
-      context "with HTML embed code for Gist" do
-        let(:markdown) do
-          <<-MARKDOWN.strip_heredoc
-            <script id="example" src="https://gist.github.com/a/example.js"></script>
-          MARKDOWN
-        end
-
-        if allowed
-          it "does not sanitize embed code" do
-            should eq <<-HTML.strip_heredoc
-              <script id="example" src="https://gist.github.com/a/example.js"></script>
-            HTML
-          end
-        else
-          it "forces async attribute on script" do
-            should eq <<-HTML.strip_heredoc
-              <script id="example" src="https://gist.github.com/a/example.js" async="async"></script>
-            HTML
-          end
-        end
-      end
-
       context "with HTML embed code for Youtube" do
         let(:markdown) do
           <<-MARKDOWN.strip_heredoc