diff --git a/lib/jasmine-core/jasmine.css b/lib/jasmine-core/jasmine.css
index 046311a3..cb529f76 100644
--- a/lib/jasmine-core/jasmine.css
+++ b/lib/jasmine-core/jasmine.css
@@ -40,12 +40,6 @@ body { overflow-y: scroll; }
 .jasmine_html-reporter.failure-list .bar.menu.spec-list, .jasmine_html-reporter.failure-list .summary { display: none; }
 .jasmine_html-reporter .running-alert { background-color: #666; }
 .jasmine_html-reporter .results { margin-top: 14px; }
-.jasmine_html-reporter.showDetails .summaryMenuItem { font-weight: normal; text-decoration: inherit; }
-.jasmine_html-reporter.showDetails .summaryMenuItem:hover { text-decoration: underline; }
-.jasmine_html-reporter.showDetails .detailsMenuItem { font-weight: bold; text-decoration: underline; }
-.jasmine_html-reporter.showDetails .summary { display: none; }
-.jasmine_html-reporter.showDetails #details { display: block; }
-.jasmine_html-reporter .summaryMenuItem { font-weight: bold; text-decoration: underline; }
 .jasmine_html-reporter .summary { margin-top: 14px; }
 .jasmine_html-reporter .summary ul { list-style-type: none; margin-left: 14px; padding-top: 0; padding-left: 0; }
 .jasmine_html-reporter .summary ul.suite { margin-top: 7px; margin-bottom: 7px; }
diff --git a/src/html/_HTMLReporter.scss b/src/html/_HTMLReporter.scss
index 8a2adc20..9bf20eb0 100644
--- a/src/html/_HTMLReporter.scss
+++ b/src/html/_HTMLReporter.scss
@@ -255,38 +255,6 @@ body {
     margin-top: $line-height;
   }
 
-  //--- Results menu ---//
-
-  &.showDetails {
-
-    .summaryMenuItem {
-      font-weight: normal;
-      text-decoration: inherit;
-
-      &:hover {
-        text-decoration: underline;
-      }
-    }
-
-    .detailsMenuItem {
-      font-weight: bold;
-      text-decoration: underline;
-    }
-
-    .summary {
-      display: none;
-    }
-
-    #details {
-      display: block;
-    }
-  }
-
-  .summaryMenuItem {
-    font-weight: bold;
-    text-decoration: underline;
-  }
-
   //--- Results summary: Suites and Specs names/links ---//
 
   .summary {