diff --git a/lib/github-pages/configuration.rb b/lib/github-pages/configuration.rb
index 081e90c3..f1759a74 100644
--- a/lib/github-pages/configuration.rb
+++ b/lib/github-pages/configuration.rb
@@ -159,12 +159,7 @@ def restrict_and_config_markdown_processor(config)
 
       # If the user has set a 'theme', then see if we can automatically use remote theme instead.
       def migrate_theme_to_remote_theme(config)
-        return unless config["theme"]
-        return unless GitHubPages::Plugins::THEMES_TO_CONVERT_TO_REMOTE_THEMES.key?(config["theme"])
-
-        theme_name = config.delete("theme")
-        config["remote_theme"] ||= GitHubPages::Plugins::THEMES_TO_CONVERT_TO_REMOTE_THEMES[theme_name]
-        config["plugins"] = Array(config["plugins"]).concat(["jekyll-remote-theme"]).uniq
+        # This functionality has been rolled back due to complications with jekyll-remote-theme.
       end
 
       # If the user's 'exclude' config is the default, also exclude the CNAME
diff --git a/lib/github-pages/plugins.rb b/lib/github-pages/plugins.rb
index 3f4180d6..afabca6f 100644
--- a/lib/github-pages/plugins.rb
+++ b/lib/github-pages/plugins.rb
@@ -49,6 +49,20 @@ class Plugins
     # Themes
     THEMES = {
       "minima" => "2.5.1",
+      "jekyll-swiss" => "1.0.0",
+      "jekyll-theme-primer" => "0.6.0",
+      "jekyll-theme-architect" => "0.2.0",
+      "jekyll-theme-cayman" => "0.2.0",
+      "jekyll-theme-dinky" => "0.2.0",
+      "jekyll-theme-hacker" => "0.2.0",
+      "jekyll-theme-leap-day" => "0.2.0",
+      "jekyll-theme-merlot" => "0.2.0",
+      "jekyll-theme-midnight" => "0.2.0",
+      "jekyll-theme-minimal" => "0.2.0",
+      "jekyll-theme-modernist" => "0.2.0",
+      "jekyll-theme-slate" => "0.2.0",
+      "jekyll-theme-tactile" => "0.2.0",
+      "jekyll-theme-time-machine" => "0.2.0",
     }.freeze
 
     # Themes to convert to remote themes
diff --git a/spec/github-pages/configuration_spec.rb b/spec/github-pages/configuration_spec.rb
index 4f41a7ac..36137e17 100644
--- a/spec/github-pages/configuration_spec.rb
+++ b/spec/github-pages/configuration_spec.rb
@@ -20,7 +20,6 @@
     ENV.delete("DISABLE_WHITELIST")
     ENV["JEKYLL_ENV"] = "test"
     ENV["PAGES_REPO_NWO"] = "github/pages-gem"
-    stub_request_for_remote_theme(:repo => "pages-themes/primer", :revision => "v0.6.0", :filename => "primer-0.6.0.zip")
   end
 
   context "#effective_config" do
@@ -104,10 +103,9 @@
     context "themes" do
       context "with no theme set" do
         it "sets the theme" do
-          expect(effective_config["plugins"]).to include("jekyll-remote-theme")
           expect(site.theme).to_not be_nil
           expect(site.theme).to be_a(Jekyll::Theme)
-          expect(site.theme.name).to eql("primer")
+          expect(site.theme.name).to eql("jekyll-theme-primer")
         end
       end
 
@@ -120,16 +118,10 @@
           )
         end
 
-        before(:each) do
-          stub_request_for_remote_theme(:repo => "pages-themes/merlot", :revision => "v0.2.0", :filename => "merlot-0.2.0.zip")
-        end
-
         it "respects the theme" do
-          expect(configuration["theme"]).to be_nil
-          expect(configuration["remote_theme"]).to eq(GitHubPages::Plugins::THEMES_TO_CONVERT_TO_REMOTE_THEMES["jekyll-theme-merlot"])
           expect(site.theme).to_not be_nil
           expect(site.theme).to be_a(Jekyll::Theme)
-          expect(site.theme.name).to eql("merlot")
+          expect(site.theme.name).to eql("jekyll-theme-merlot")
         end
       end
 
@@ -144,6 +136,10 @@
         end
       end
 
+      it "plugins don't include jekyll remote theme" do
+        expect(effective_config["plugins"]).to_not include("jekyll-remote-theme")
+      end
+
       context "with a remote theme" do
         let(:test_config) do
           {
@@ -156,7 +152,6 @@
         end
 
         it "plugins include jekyll remote theme" do
-          stub_request_for_remote_theme(:repo => "foo/bar", :revision => "HEAD", :filename => "primer-0.6.0.zip")
           expect(effective_config["plugins"]).to include("jekyll-remote-theme")
         end
       end
diff --git a/spec/github-pages/integration_spec.rb b/spec/github-pages/integration_spec.rb
index 4f881154..5bf8de31 100644
--- a/spec/github-pages/integration_spec.rb
+++ b/spec/github-pages/integration_spec.rb
@@ -258,7 +258,7 @@ def rm_destination
 
     context "jekyll-theme-primer" do
       it "sets the theme" do
-        expect(contents).to match("Theme: primer")
+        expect(contents).to match("Theme: jekyll-theme-primer")
       end
 
       it "uses the theme" do
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 12a4c4f4..bf8614da 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -29,15 +29,6 @@ def tmp_dir
   File.expand_path "../tmp", __dir__
 end
 
-def support_dir
-  File.expand_path "support", __dir__
-end
-
-def stub_request_for_remote_theme(repo:, revision:, filename:)
-  stub_request(:get, "https://codeload.github.com/#{repo}/zip/#{revision}").
-    to_return(:status => 200, :body => File.binread(File.join(support_dir, filename)), :headers => {"Content-Type" => "archive/zip"})
-end
-
 RSpec::Matchers.define :be_an_existing_file do
   match { |path| File.exist?(path) }
 end
diff --git a/spec/support/merlot-0.2.0.zip b/spec/support/merlot-0.2.0.zip
deleted file mode 100644
index 65e55d75..00000000
Binary files a/spec/support/merlot-0.2.0.zip and /dev/null differ
diff --git a/spec/support/primer-0.6.0.zip b/spec/support/primer-0.6.0.zip
deleted file mode 100644
index 24175919..00000000
Binary files a/spec/support/primer-0.6.0.zip and /dev/null differ