diff --git a/assets/scss/api-reference.scss b/assets/scss/api-reference.scss
deleted file mode 100644
index e50483d3b2..0000000000
--- a/assets/scss/api-reference.scss
+++ /dev/null
@@ -1,64 +0,0 @@
-/**
- * Styles for the Swagger API documentation (engine/api/v1.x/index.html)
- */
-
-
-/* ReDoc doesn't change outer page styles */
-body {
-    margin: 0;
-    padding: 0;
-}
-
-.menu-content {
-  > div:first-child {
-    background-color: #086DD7;
-    height: 60px;
-    text-align: left !important;
-
-    img {
-      width: 160px !important;
-      margin: 15px 20px;
-    }
-  }
-
-  label.-depth0 span, label.-depth1 span {
-    font-family: "Roboto",sans-serif !important;
-  }
-
-  label.-depth0 {
-    text-transform: none;
-  }
-
-  label.-depth1 span {
-    color: #0055BD !important;
-  }
-
-  ul + div {
-    display: none;
-  }
-}
-
-redoc {
-  h1 {
-    font-size: 32px !important;
-  }
-
-  h1,h2,h3,h4,h5,h6 {
-    font-family: "Roboto",sans-serif !important;
-    color: inherit !important;
-  }
-
-  p, a {
-    font-family: "Roboto",sans-serif !important;
-  }
-
-  a {
-    color: #0055BD !important;
-  }
-
-  // Disable request-type badges, see https://github.com/Rebilly/ReDoc/issues/61
-  .operation-type {
-    display: none !important;
-  }
-}
-