diff --git a/css/ebi-css-build/_ebi_theme_settings.scss b/css/ebi-css-build/_ebi_theme_settings.scss
index b76aefabc160db54a3391ebab8d0384fbc7c5ef2..0e60d6cee7e55dfc6f3b3dfbbd6a38093738d4e2 100644
--- a/css/ebi-css-build/_ebi_theme_settings.scss
+++ b/css/ebi-css-build/_ebi_theme_settings.scss
@@ -38,9 +38,9 @@ $body-background: $ebi-colour-white;
 // typography
 $body-antialiased: true;
 $body-font-color: $ebi-colour-dark;
-$body-font-family: 'Fira Sans', Helvetica, Arial, sans-serif;
+$body-font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
 $body-font-family-serif: 'EB Garamond', 'georgia', serif;
-$code-font-family: 'Fira Code', Consolas, 'Liberation Mono', Courier, monospace;
+$code-font-family: Consolas, 'Liberation Mono', Courier, monospace;
 $table-font-family: $code-font-family;
 $table-font-size: 0.9rem;
 
diff --git a/css/ebi-css-build/ebi-global.scss b/css/ebi-css-build/ebi-global.scss
index 8866e54f39cd0ca42aa342321c0298f93ffe71f0..48504efcfe48745f29d969a3ccfaaa4ea582c067 100644
--- a/css/ebi-css-build/ebi-global.scss
+++ b/css/ebi-css-build/ebi-global.scss
@@ -14,8 +14,8 @@
 @import 'embl_selector'; // EMBL Dropdown selector for .masthead-black-bar
 
 // simple imports for the font while we test
-@import 'https://code.cdn.mozilla.net/fonts/fira.css';
-@import 'https://cdn.rawgit.com/tonsky/FiraCode/1.204/distr/fira_code.css';
+// @import 'https://code.cdn.mozilla.net/fonts/fira.css';
+// @import 'https://cdn.rawgit.com/tonsky/FiraCode/1.204/distr/fira_code.css';
 
 // ebi-styles
 @if $include-ebi-global-styles {