diff --git a/.gitignore b/.gitignore
index f60b52a8a..312382f77 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,6 @@
 db/*.sqlite3
 log/*.log
 tmp/
-.sass-cache/
 .DS_Store
 .rvmrc
 *~
@@ -11,6 +10,3 @@ tmp/
 *.swp
 *.swo
 public/assets/
-
-/app/assets/builds/*
-!/app/assets/builds/.keep
diff --git a/Gemfile b/Gemfile
index 4ae4fc3ea..a2959addb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,9 +5,7 @@ ruby ENV['CUSTOM_RUBY_VERSION'] || '~> 3.4.7'
 gem 'rails', '~> 8.1'
 gem 'puma'
 gem 'bootsnap', require: false
-gem "importmap-rails"
 gem "propshaft"
-gem "dartsass-rails"
 gem 'aws-sdk-s3', '~> 1'
 
 group :development, :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index 9e5e192c6..3b0f82ecf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -102,48 +102,14 @@ GEM
     concurrent-ruby (1.3.7)
     connection_pool (3.0.2)
     crass (1.0.7)
-    dartsass-rails (0.5.1)
-      railties (>= 6.0.0)
-      sass-embedded (~> 1.63)
     date (3.5.1)
     drb (2.2.3)
     erb (6.0.4)
     erubi (1.13.1)
     globalid (1.3.0)
       activesupport (>= 6.1)
-    google-protobuf (4.34.1)
-      bigdecimal
-      rake (~> 13.3)
-    google-protobuf (4.34.1-aarch64-linux-gnu)
-      bigdecimal
-      rake (~> 13.3)
-    google-protobuf (4.34.1-aarch64-linux-musl)
-      bigdecimal
-      rake (~> 13.3)
-    google-protobuf (4.34.1-arm64-darwin)
-      bigdecimal
-      rake (~> 13.3)
-    google-protobuf (4.34.1-x86-linux-gnu)
-      bigdecimal
-      rake (~> 13.3)
-    google-protobuf (4.34.1-x86-linux-musl)
-      bigdecimal
-      rake (~> 13.3)
-    google-protobuf (4.34.1-x86_64-darwin)
-      bigdecimal
-      rake (~> 13.3)
-    google-protobuf (4.34.1-x86_64-linux-gnu)
-      bigdecimal
-      rake (~> 13.3)
-    google-protobuf (4.34.1-x86_64-linux-musl)
-      bigdecimal
-      rake (~> 13.3)
     i18n (1.14.8)
       concurrent-ruby (~> 1.0)
-    importmap-rails (2.2.3)
-      actionpack (>= 6.0.0)
-      activesupport (>= 6.0.0)
-      railties (>= 6.0.0)
     io-console (0.8.2)
     irb (1.17.0)
       pp (>= 0.6.0)
@@ -265,37 +231,6 @@ GEM
       tsort
     reline (0.6.3)
       io-console (~> 0.5)
-    sass-embedded (1.98.0)
-      google-protobuf (~> 4.31)
-      rake (>= 13)
-    sass-embedded (1.98.0-aarch64-linux-android)
-      google-protobuf (~> 4.31)
-    sass-embedded (1.98.0-aarch64-linux-gnu)
-      google-protobuf (~> 4.31)
-    sass-embedded (1.98.0-aarch64-linux-musl)
-      google-protobuf (~> 4.31)
-    sass-embedded (1.98.0-arm-linux-androideabi)
-      google-protobuf (~> 4.31)
-    sass-embedded (1.98.0-arm-linux-gnueabihf)
-      google-protobuf (~> 4.31)
-    sass-embedded (1.98.0-arm-linux-musleabihf)
-      google-protobuf (~> 4.31)
-    sass-embedded (1.98.0-arm64-darwin)
-      google-protobuf (~> 4.31)
-    sass-embedded (1.98.0-riscv64-linux-android)
-      google-protobuf (~> 4.31)
-    sass-embedded (1.98.0-riscv64-linux-gnu)
-      google-protobuf (~> 4.31)
-    sass-embedded (1.98.0-riscv64-linux-musl)
-      google-protobuf (~> 4.31)
-    sass-embedded (1.98.0-x86_64-darwin)
-      google-protobuf (~> 4.31)
-    sass-embedded (1.98.0-x86_64-linux-android)
-      google-protobuf (~> 4.31)
-    sass-embedded (1.98.0-x86_64-linux-gnu)
-      google-protobuf (~> 4.31)
-    sass-embedded (1.98.0-x86_64-linux-musl)
-      google-protobuf (~> 4.31)
     securerandom (0.4.1)
     sqlite3 (2.9.5)
       mini_portile2 (~> 2.8.0)
@@ -352,8 +287,6 @@ PLATFORMS
 DEPENDENCIES
   aws-sdk-s3 (~> 1)
   bootsnap
-  dartsass-rails
-  importmap-rails
   pg
   propshaft
   puma
diff --git a/Procfile.dev b/Procfile.dev
index 9cad9378e..794ac3ea5 100644
--- a/Procfile.dev
+++ b/Procfile.dev
@@ -1,2 +1 @@
 web: unset PORT && bin/rails server
-css: bin/rails dartsass:watch
diff --git a/app/assets/builds/.keep b/app/assets/builds/.keep
deleted file mode 100644
index e69de29bb..000000000
diff --git a/app/assets/stylesheets/application.css b/app/assets/stylesheets/application.css
new file mode 100644
index 000000000..d0cba97c0
--- /dev/null
+++ b/app/assets/stylesheets/application.css
@@ -0,0 +1,118 @@
+body {
+  padding-top: 50px;
+  font-size: 13px;
+}
+
+.container-fluid {
+  max-width: 1200px;
+}
+
+.navbar-nav > li > a, .navbar-brand {
+  height: 28px;
+}
+
+@media screen and (max-width: 767px) {
+  .table-responsive-border {
+    border: 1px solid #ddd;
+  }
+  .table-responsive-border > .table {
+    margin-bottom: 0;
+  }
+
+  .table-responsive {
+    width: 100%;
+    margin-bottom: 15px;
+    overflow-y: hidden;
+  }
+
+  .table-responsive > .table > thead > tr > th,
+  .table-responsive > .table > thead > tr > td,
+  .table-responsive > .table > tbody > tr > th,
+  .table-responsive > .table > tbody > tr > td,
+  .table-responsive > .table > tfoot > tr > th,
+  .table-responsive > .table > tfoot > tr > td {
+    white-space: nowrap;
+  }
+
+  .table-responsive > .table-bordered {
+    border: 0;
+  }
+
+  .table-responsive > .table-bordered > thead > tr > th:first-child,
+  .table-responsive > .table-bordered > thead > tr > td:first-child,
+  .table-responsive > .table-bordered > tbody > tr > th:first-child,
+  .table-responsive > .table-bordered > tbody > tr > td:first-child,
+  .table-responsive > .table-bordered > tfoot > tr > th:first-child,
+  .table-responsive > .table-bordered > tfoot > tr > td:first-child {
+    border-left: 0;
+  }
+
+  .table-responsive > .table-bordered > thead > tr > th:last-child,
+  .table-responsive > .table-bordered > thead > tr > td:last-child,
+  .table-responsive > .table-bordered > tbody > tr > th:last-child,
+  .table-responsive > .table-bordered > tbody > tr > td:last-child,
+  .table-responsive > .table-bordered > tfoot > tr > th:last-child,
+  .table-responsive > .table-bordered > tfoot > tr > td:last-child {
+    border-right: 0;
+  }
+
+  .table-responsive > .table-bordered > tbody > tr:last-child > th,
+  .table-responsive > .table-bordered > tbody > tr:last-child > td,
+  .table-responsive > .table-bordered > tfoot > tr:last-child > th,
+  .table-responsive > .table-bordered > tfoot > tr:last-child > td {
+    border-bottom: 0;
+  }
+}
+
+table.reports th, table.reports td {
+  padding: 1px !important;
+}
+
+table.reports tr.branch-separator td {
+  border-top: solid 2px black;
+}
+
+table.reports tr td.datetime {
+  text-align: center;
+}
+
+table.reports tr td.branch {
+  text-align: center;
+}
+
+table.reports tr td.revision {
+  font-family: Menlo, monospace;
+  text-align: center;
+}
+
+/* :where() keeps specificity at 0-1-1 so the later td.summary rules
+   still win for the summary column, which falls in this range. */
+table.reports tr td:nth-child(n+6):where(:nth-child(-n+9)) {
+  background-color: #FF9090;
+}
+
+table.reports tr td:nth-child(n+6):where(:nth-child(-n+9)):empty {
+  background-color: #F0FFF0;
+}
+
+table.reports tr td.summary {
+  background-color: #F0FFF0;
+}
+
+table.reports tr td.summary div {
+  overflow: hidden;
+  white-space: nowrap;
+  text-overflow: ellipsis;
+  width: 250px !important;
+}
+
+table.reports tr td.summary.failure {
+  background-color: #FF9090;
+}
+
+table.reports tr td.diff div {
+  overflow: hidden;
+  white-space: nowrap;
+  text-overflow: ellipsis;
+  width: 100px !important;
+}
diff --git a/app/assets/stylesheets/application.scss b/app/assets/stylesheets/application.scss
deleted file mode 100644
index 3294eba65..000000000
--- a/app/assets/stylesheets/application.scss
+++ /dev/null
@@ -1,135 +0,0 @@
-// Entry point for your Sass build
-// vendor/assets/stylesheets/bootstrap.min.css: v5.2.3
-@use 'bootstrap.min'; 
-
-body {
-  padding-top: 50px;
-  font-size: 13px;
-}
-
-.container-fluid {
-  max-width: 1200px;
-}
-
-.navbar-nav > li > a, .navbar-brand {
-  height: 28px;
-}
-
-.table-responsive-border {
-  @media screen and (max-width: 767px) {
-    border: 1px solid #ddd;
-    > .table {
-      margin-bottom: 0;
-    }
-  }
-}
-
-.table-responsive {
-  overflow-x: auto;
-  min-height: 0.01%;
-
-  @media screen and (max-width: 767px) {
-    width: 100%;
-    margin-bottom: 15px;
-    overflow-y: hidden;
-    -ms-overflow-style: -ms-autohiding-scrollbar;
-
-    > .table {
-      > thead,
-      > tbody,
-      > tfoot {
-        > tr {
-          > th,
-          > td {
-            white-space: nowrap;
-          }
-        }
-      }
-    }
-
-    > .table-bordered {
-      border: 0;
-
-      > thead,
-      > tbody,
-      > tfoot {
-        > tr {
-          > th:first-child,
-          > td:first-child {
-            border-left: 0;
-          }
-          > th:last-child,
-          > td:last-child {
-            border-right: 0;
-          }
-        }
-      }
-
-      > tbody,
-      > tfoot {
-        > tr:last-child {
-          > th,
-          > td {
-            border-bottom: 0;
-          }
-        }
-      }
-
-    }
-  }
-}
-
-table.reports {
-    th, td {
-        padding: 1px !important;
-    }
-    tr.branch-separator td {
-        border-top: solid 2px black;
-    }
-    tr {
-        td.server {
-            // width: 150px;
-        }
-        td.datetime {
-            text-align: center;
-        }
-        td.branch {
-            text-align: center;
-        }
-        td.option {
-        }
-        td.revision {
-            font-family: Menlo, monospace;
-            text-align: center;
-        }
-        @for $i from 6 through 9 {
-            td:nth-child(#{$i}) {
-                background-color: #FF9090;
-                // width: 50px;
-            }
-            td:nth-child(#{$i}):empty {
-                background-color: #F0FFF0;
-            }
-        }
-        td.summary {
-            background-color: #F0FFF0;
-            div {
-                overflow: hidden;
-                white-space: nowrap;
-                text-overflow: ellipsis;
-                width: 250px !important;
-            }
-        }
-        td.summary.failure {
-            background-color: #FF9090;
-        }
-        td.diff {
-            div {
-                overflow: hidden;
-                white-space: nowrap;
-                text-overflow: ellipsis;
-                width: 100px !important;
-            }
-        }
-    }
-}
diff --git a/app/javascript/application.js b/app/javascript/application.js
deleted file mode 100644
index 7260fc0bb..000000000
--- a/app/javascript/application.js
+++ /dev/null
@@ -1,9 +0,0 @@
-// Entry point for the build script in your package.json
-import * as Popper from "@popperjs/core"
-import * as Bootstrap from "bootstrap"
-
-document.addEventListener('DOMContentLoaded' ,function() {
-    $("a[rel=popover]").popover();
-    $(".tooltip").tooltip();
-    return $("a[rel=tooltip]").tooltip();
-});
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 16ffd359f..39f40137b 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -9,8 +9,7 @@
     <!-- For all other devices -->
     <!-- Size should be 32 x 32 pixels -->
     <%= favicon_link_tag 'favicon.ico', :rel => 'shortcut icon' %>
-    <%= stylesheet_link_tag "application", :media => "all" %>
-    <%= javascript_importmap_tags %>
+    <%= stylesheet_link_tag "bootstrap.min", "application", :media => "all" %>
   </head>
   <body>
 
diff --git a/bin/importmap b/bin/importmap
deleted file mode 100755
index 36502ab16..000000000
--- a/bin/importmap
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/usr/bin/env ruby
-
-require_relative "../config/application"
-require "importmap/commands"
diff --git a/config/importmap.rb b/config/importmap.rb
deleted file mode 100644
index e124f387d..000000000
--- a/config/importmap.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-# Pin npm packages by running ./bin/importmap
-
-pin "application", preload: true
-pin "bootstrap", to: "https://ga.jspm.io/npm:bootstrap@5.2.3/dist/js/bootstrap.esm.js"
-pin "@popperjs/core", to: "https://ga.jspm.io/npm:@popperjs/core@2.11.6/lib/index.js"