diff --git a/ext/css/search.css b/ext/css/search.css
index 455799ce9e..81e4a74c78 100644
--- a/ext/css/search.css
+++ b/ext/css/search.css
@@ -174,20 +174,6 @@ h1 {
 .search-option-label {
     padding-left: 0.5em;
 }
-.search-option-pre-label {
-    padding-right: 0.5em;
-}
-#query-parser-mode-container {
-    flex: 1 1 auto;
-}
-#query-parser-mode-container:not([hidden]) {
-    display: flex;
-}
-#query-parser-mode-select {
-    flex: 1 1 auto;
-    max-width: 220px;
-    min-width: 100px;
-}
 
 /* Search styles */
 #intro {