diff --git a/polygerrit-ui/app/embed/diff/gr-syntax-themes/gr-syntax-theme.ts b/polygerrit-ui/app/embed/diff/gr-syntax-themes/gr-syntax-theme.ts
index 37aebd1..a41f359 100644
--- a/polygerrit-ui/app/embed/diff/gr-syntax-themes/gr-syntax-theme.ts
+++ b/polygerrit-ui/app/embed/diff/gr-syntax-themes/gr-syntax-theme.ts
@@ -51,11 +51,6 @@
   .gr-syntax-doctag {
     font-weight: var(--syntax-doctag-weight);
   }
-  .gr-syntax-emphasis {
-    color: var(--syntax-emphasis-color);
-    font-style: var(--syntax-emphasis-style);
-    font-weight: var(--syntax-emphasis-weight);
-  }
   .gr-syntax-formula {
     color: var(--syntax-formula-color);
   }