--- a/browser/components/preferences/in-content-new/findInPage.js
+++ b/browser/components/preferences/in-content-new/findInPage.js
@@ -2,26 +2,24 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 /* import-globals-from preferences.js */
 
 var gSearchResultsPane = {
   listSearchTooltips: new Set(),
   listSearchMenuitemIndicators: new Set(),
-  searchResultsCategory: null,
   searchInput: null,
   inited: false,
 
   init() {
     if (this.inited) {
       return;
     }
     this.inited = true;
-    this.searchResultsCategory = document.getElementById("category-search-results");
     this.searchInput = document.getElementById("searchInput");
     this.searchInput.hidden = !Services.prefs.getBoolPref("browser.preferences.search");
     if (!this.searchInput.hidden) {
       this.searchInput.addEventListener("command", this);
       window.addEventListener("load", () => {
         this.searchInput.focus();
         this.initializeCategories();
       });
@@ -228,18 +226,16 @@ var gSearchResultsPane = {
     this.removeAllSearchMenuitemIndicators();
 
     let srHeader = document.getElementById("header-searchResults");
 
     if (this.query) {
       // Showing the Search Results Tag
       gotoPref("paneSearchResults");
 
-      this.searchResultsCategory.hidden = false;
-
       let resultsFound = false;
 
       // Building the range for highlighted areas
       let rootPreferencesChildren = document
         .querySelectorAll("#mainPrefPane > *:not([data-hidden-from-search])");
 
       // Showing all the children to bind JS, Access Keys, etc
       for (let i = 0; i < rootPreferencesChildren.length; i++) {
@@ -274,17 +270,16 @@ var gSearchResultsPane = {
         // eslint-disable-next-line no-unsanitized/property
         document.getElementById("need-help").innerHTML =
           strings.getFormattedString("searchResults.needHelp2", [helpUrl, brandName]);
       } else {
         // Creating tooltips for all the instances found
         this.listSearchTooltips.forEach((anchorNode) => this.createSearchTooltip(anchorNode, this.query));
       }
     } else {
-      this.searchResultsCategory.hidden = true;
       document.getElementById("sorry-message").textContent = "";
       // Going back to General when cleared
       gotoPref("paneGeneral");
     }
   },
 
   /**
    * Finding leaf nodes and checking their content for words to search,

--- a/browser/components/preferences/in-content-new/preferences.js
+++ b/browser/components/preferences/in-content-new/preferences.js
@@ -157,53 +157,60 @@ function gotoPref(aCategory) {
   // until proper search support is enabled (bug 1353954).
   let subcategory = breakIndex != -1 && category.substring(breakIndex + 1);
   if (subcategory) {
     category = category.substring(0, breakIndex);
   }
   category = friendlyPrefCategoryNameToInternalName(category);
   if (category != "paneSearchResults") {
     gSearchResultsPane.searchInput.value = "";
-    gSearchResultsPane.searchResultsCategory.hidden = true;
     gSearchResultsPane.getFindSelection(window).removeAllRanges();
     gSearchResultsPane.removeAllSearchTooltips();
     gSearchResultsPane.removeAllSearchMenuitemIndicators();
   } else if (!gSearchResultsPane.searchInput.value) {
     // Something tried to send us to the search results pane without
     // a query string. Default to the General pane instead.
     category = kDefaultCategoryInternalName;
     document.location.hash = kDefaultCategory;
     gSearchResultsPane.query = null;
   }
 
   // Updating the hash (below) or changing the selected category
   // will re-enter gotoPref.
   if (gLastHash == category && !subcategory)
     return;
-  let item = categories.querySelector(".category[value=" + category + "]");
-  if (!item) {
-    category = kDefaultCategoryInternalName;
+
+  let item;
+  if (category != "paneSearchResults") {
     item = categories.querySelector(".category[value=" + category + "]");
+    if (!item) {
+      category = kDefaultCategoryInternalName;
+      item = categories.querySelector(".category[value=" + category + "]");
+    }
   }
 
   try {
     init_category_if_required(category);
   } catch (ex) {
     Cu.reportError("Error initializing preference category " + category + ": " + ex);
     throw ex;
   }
 
   let friendlyName = internalPrefCategoryNameToFriendlyName(category);
   if (gLastHash || category != kDefaultCategoryInternalName || subcategory) {
     document.location.hash = friendlyName;
   }
   // Need to set the gLastHash before setting categories.selectedItem since
   // the categories 'select' event will re-enter the gotoPref codepath.
   gLastHash = category;
-  categories.selectedItem = item;
+  if (item) {
+    categories.selectedItem = item;
+  } else {
+    categories.clearSelection();
+  }
   window.history.replaceState(category, document.title);
   search(category, "data-category", subcategory, "data-subcategory");
 
   let mainContent = document.querySelector(".main-content");
   mainContent.scrollTop = 0;
 
   Services.telemetry
           .getHistogramById("FX_PREFERENCES_CATEGORY_OPENED_V2")

--- a/browser/components/preferences/in-content-new/preferences.xul
+++ b/browser/components/preferences/in-content-new/preferences.xul
@@ -118,27 +118,16 @@
                   src="chrome://browser/locale/preferences/applicationManager.properties"/>
   </stringbundleset>
 
   <stack flex="1">
   <hbox flex="1">
 
     <!-- category list -->
     <richlistbox id="categories">
-      <richlistitem id="category-search-results"
-                    class="category"
-                    value="paneSearchResults"
-                    helpTopic="prefs-main"
-                    tooltiptext="&paneSearchResults.title;"
-                    align="center"
-                    hidden="true">
-        <image class="category-icon"/>
-        <label class="category-name" flex="1">&paneSearchResults.title;</label>
-      </richlistitem>
-
       <richlistitem id="category-general"
                     class="category"
                     value="paneGeneral"
                     helpTopic="prefs-main"
                     tooltiptext="&paneGeneral.title;"
                     align="center">
         <image class="category-icon"/>
         <label class="category-name" flex="1">&paneGeneral.title;</label>

--- a/browser/components/preferences/in-content-new/tests/browser_search_within_preferences_1.js
+++ b/browser/components/preferences/in-content-new/tests/browser_search_within_preferences_1.js
@@ -51,21 +51,17 @@ add_task(async function() {
 
   searchInput.value = "password";
   searchInput.doCommand();
 
   let categoriesList = gBrowser.contentDocument.getElementById("categories");
 
   for (let i = 0; i < categoriesList.childElementCount; i++) {
     let child = categoriesList.children[i]
-    if (child.id == "category-search-results") {
-      is(child.selected, true, "Search results panel should be selected");
-    } else if (child.id) {
-      is(child.selected, false, "No other panel should be selected");
-    }
+    is(child.selected, false, "No other panel should be selected");
   }
   // Takes search off
   searchInput.value = "";
   searchInput.doCommand();
 
   // Checks if back to generalPane
   for (let i = 0; i < categoriesList.childElementCount; i++) {
     let child = categoriesList.children[i]
@@ -237,29 +233,25 @@ add_task(async function() {
 });
 
 /**
  * Test for if we go to another tab after searching
  */
 add_task(async function() {
   await openPreferencesViaOpenPreferencesAPI("paneGeneral", {leaveOpen: true});
   let searchInput = gBrowser.contentDocument.getElementById("searchInput");
-  let searchResultsCategory = gBrowser.contentDocument.getElementById("category-search-results");
 
   is(searchInput, gBrowser.contentDocument.activeElement.closest("#searchInput"),
     "Search input should be focused when visiting preferences");
 
   searchInput.value = "password";
   searchInput.doCommand();
-  is(searchResultsCategory.hidden, false, "search results category should be shown");
-  is(searchResultsCategory.selected, true, "search results category should be selected");
 
   let privacyCategory = gBrowser.contentDocument.getElementById("category-privacy");
   privacyCategory.click();
-  is(searchResultsCategory.hidden, true, "search results category should not be shown");
   is(searchInput.value, "", "search input should be empty");
   let categoriesList = gBrowser.contentDocument.getElementById("categories");
   for (let i = 0; i < categoriesList.childElementCount; i++) {
     let child = categoriesList.children[i]
     if (child.id == "category-privacy") {
       is(child.selected, true, "Privacy panel should be selected");
     } else if (child.id) {
       is(child.selected, false, "No other panel should be selected");

--- a/browser/themes/shared/incontentprefs/icons.svg
+++ b/browser/themes/shared/incontentprefs/icons.svg
@@ -16,63 +16,32 @@
       fill: ThreeDHighlight;
     }
   </style>
   <defs>
     <g id="general-shape">
       <path d="M18.97,3H5.03C3.914,3,3,3.914,3,5.03v13.94C3,20.086,3.914,21,5.03,21H18.97c1.117,0,2.03-0.914,2.03-2.03 V5.03C21,3.914,20.086,3,18.97,3z M5.35,19.326c-0.404,0-0.731-0.327-0.731-0.731c0-0.404,0.327-0.731,0.731-0.731 c0.404,0,0.731,0.327,0.731,0.731C6.081,19,5.754,19.326,5.35,19.326z M5.35,6.168c-0.403,0-0.731-0.328-0.731-0.731 c0-0.404,0.328-0.731,0.731-0.731c0.403,0,0.731,0.327,0.731,0.731C6.081,5.84,5.753,6.168,5.35,6.168z M15.243,14.035 c0,0.229-0.186,0.416-0.414,0.416c-0.229,0-0.415,0.186-0.415,0.414v3.347c0,0.228-0.185,0.384-0.414,0.384l-4.141,0.03 c-0.227,0-0.414-0.186-0.414-0.414v-3.347c0-0.228-0.185-0.414-0.414-0.414c-0.227,0-0.414-0.187-0.414-0.416V6.582 c0-0.229,0.187-0.414,0.414-0.414h5.798c0.228,0,0.414,0.185,0.414,0.414V14.035z M18.509,19.326c-0.404,0-0.731-0.327-0.731-0.731 c0-0.404,0.327-0.731,0.731-0.731c0.404,0,0.731,0.327,0.731,0.731C19.24,19,18.913,19.326,18.509,19.326z M18.509,6.168 c-0.404,0-0.731-0.328-0.731-0.731c0-0.404,0.327-0.731,0.731-0.731c0.404,0,0.731,0.327,0.731,0.731 C19.24,5.84,18.913,6.168,18.509,6.168z"/>
       <path d="M12.757,7.824h-1.657c-0.456,0-0.828,0.373-0.828,0.828v8.282c0,0.456,0.373,0.828,0.828,0.828h1.657 c0.456,0,0.828-0.373,0.828-0.828V8.652C13.586,8.196,13.213,7.824,12.757,7.824z"/>
     </g>
-    <g id="content-shape">
-      <path d="M16.286,2H5.571C4.388,2,3.429,2.96,3.429,4.143v15.714 C3.429,21.04,4.388,22,5.571,22h12.857c1.185,0,2.143-0.96,2.143-2.143V6.286L16.286,2z M18.945,19.223c0,0.22-0.18,0.4-0.4,0.4 h-13.2c-0.22,0-0.4-0.18-0.4-0.4v-0.846c0-0.22,0.18-0.4,0.4-0.4h13.2c0.22,0,0.4,0.18,0.4,0.4V19.223z M18.945,15.223 c0,0.22-0.18,0.4-0.4,0.4h-13.2c-0.22,0-0.4-0.18-0.4-0.4v-0.846c0-0.22,0.18-0.4,0.4-0.4h13.2c0.22,0,0.4,0.18,0.4,0.4V15.223z M18.945,11.229c0,0.22-0.18,0.4-0.4,0.4h-13.2c-0.22,0-0.4-0.18-0.4-0.4v-0.846c0-0.22,0.18-0.4,0.4-0.4h13.2 c0.22,0,0.4,0.18,0.4,0.4V11.229z M14.833,7.707v-4.65l4.65,4.65H14.833z"/>
-    </g>
     <g id="security-shape">
       <path d="M18.909,9.783h-0.863V8.086C18.046,4.725,15.339,2,12,2 C8.661,2,5.954,4.725,5.954,8.086v1.697H5.091c-0.955,0-1.728,0.779-1.728,1.739v8.738c0,0.961,0.773,1.74,1.728,1.74h13.818 c0.954,0,1.728-0.779,1.728-1.74v-8.738C20.637,10.562,19.863,9.783,18.909,9.783z M8.545,8.086c0-1.92,1.547-3.478,3.455-3.478 c1.908,0,3.455,1.557,3.455,3.478v1.697h-6.91V8.086z M5.181,16.092l-0.909-1.2v-2.284l2.728,3.483H5.181z M8.818,16.092 l-2.773-3.657h1.727l2.864,3.657H8.818z M12,16.092l-2.773-3.657h1.727l2.864,3.657H12z M15.637,16.092l-2.773-3.657h1.727 l2.864,3.657H15.637z M19.728,16.092h-0.455l-2.773-3.657h1.727l1.501,1.916V16.092z"/>
     </g>
     <g id="sync-shape">
       <path style="fill:#F1F1F1;" d="M3.2,22h3.3h10.8h3.3c0.5,0,0.9-0.4,0.9-0.9V20c0-1-0.5-1.9-1.2-2.5c-2.3-1.8-4.6-2.9-5.1-3.1
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     </g>
-    <g id="advanced-shape">
-      <path style="fill:#F1F1F1;" d="M21.3,15.6L21.3,15.6L21.3,15.6L21.3,15.6L21.3,15.6z M21.3,15.6c-0.1,1-0.5,1.8-1.2,2.4
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-    </g>
-    <g id="searchResults-shape">
+    <g id="search-shape">
       <path d="M20.6,19.6l-4.4-4.5c2.4-2.9,2.4-7.1,0.2-10c-2.3-3-6.3-3.9-9.6-2.3c-3.3,1.6-5.1,5.3-4.3,9 c0.8,3.7,4,6.3,7.7,6.3c1.5,0,3-0.4,4.3-1.3l4.5,4.6c0.3,0.3,0.8,0.4,1.2,0.3c0.4-0.1,0.7-0.4,0.9-0.9S20.9,19.9,20.6,19.6z M10.1,16c-3.3,0-6-2.7-6-6.1c0-3.4,2.7-6.1,6-6.1c3.3,0,6,2.7,6,6.1C16.1,13.3,13.4,16,10.1,16z"/>
       <path d="M10.1,5.3c-2.5,0-4.6,2.1-4.6,4.7c0,1.2,0.5,2.4,1.4,3.3c0.9,0.9,2,1.4,3.3,1.4c2.5,0,4.6-2.1,4.6-4.7 C14.7,7.4,12.7,5.3,10.1,5.3z M10,7.9c-1,0-1.8,0.8-1.8,1.8c0,0.4-0.3,0.8-0.8,0.8s-0.8-0.4-0.8-0.8c0-1.9,1.5-3.4,3.3-3.4h0 c0.4,0,0.8,0.4,0.8,0.8S10.4,7.9,10,7.9z"/>
     </g>
   </defs>
   <use id="general" href="#general-shape"/>
   <use id="general-native" href="#general-shape"/>
-  <use id="content" href="#content-shape"/>
-  <use id="content-native" href="#content-shape"/>
   <use id="security" href="#security-shape"/>
   <use id="security-native" href="#security-shape"/>
   <use id="sync" href="#sync-shape"/>
   <use id="sync-native" href="#sync-shape"/>
-  <use id="advanced" href="#advanced-shape"/>
-  <use id="advanced-native" href="#advanced-shape"/>
-  <use id="searchResults" href="#searchResults-shape"/>
-  <use id="searchResults-native" href="#searchResults-shape"/>
+  <use id="search" href="#search-shape"/>
+  <use id="search-native" href="#search-shape"/>
 </svg>

--- a/browser/themes/shared/incontentprefs/preferences.inc.css
+++ b/browser/themes/shared/incontentprefs/preferences.inc.css
@@ -104,39 +104,27 @@ html|option {
   visibility: collapse;
 }
 
 #category-general > .category-icon {
   list-style-image: url("chrome://browser/skin/preferences/in-content-new/icons.svg#general");
 }
 
 #category-search > .category-icon {
-  list-style-image: url("chrome://browser/skin/preferences/in-content-new/icons.svg#searchResults");
-}
-
-#category-application > .category-icon {
-  list-style-image: url("chrome://browser/skin/preferences/in-content-new/icons.svg#content");
+  list-style-image: url("chrome://browser/skin/preferences/in-content-new/icons.svg#search");
 }
 
 #category-privacy > .category-icon {
   list-style-image: url("chrome://browser/skin/preferences/in-content-new/icons.svg#security");
 }
 
 #category-sync > .category-icon {
   list-style-image: url("chrome://browser/skin/preferences/in-content-new/icons.svg#sync");
 }
 
-#category-advanced > .category-icon {
-  list-style-image: url("chrome://browser/skin/preferences/in-content-new/icons.svg#advanced");
-}
-
-#category-search-results > .category-icon {
-  list-style-image: url("chrome://browser/skin/preferences/in-content-new/icons.svg#searchResults");
-}
-
 @media (max-width: 800px) {
   .category-name {
     display: none;
   }
   .help-button {
     font-size: 0 !important;
   }
 }