diff --git a/index.html b/index.html
index f2b67b0..e9230b4 100644
--- a/index.html
+++ b/index.html
@@ -837,11 +837,6 @@
             color: #bdc3c7;
         }
 
-        /* Model box */
-        [data-theme="dark"] .swagger-ui .model-box {
-            border-color: #ecf0f1;
-        }
-
         /* Model title text */
         [data-theme="dark"] .swagger-ui .model-title__text {
             color: #bdc3c7;