diff --git a/toolkit/mozapps/extensions/content/extensions.css b/toolkit/mozapps/extensions/content/extensions.css
index ba11ac52d8d5..6a1468241128 100644
--- a/toolkit/mozapps/extensions/content/extensions.css
+++ b/toolkit/mozapps/extensions/content/extensions.css
@@ -54,10 +54,6 @@ xhtml|link {
   -moz-binding: url("chrome://mozapps/content/extensions/extensions.xml#sorters");
 }
 
-.list {
-  -moz-binding: url("chrome://mozapps/content/extensions/extensions.xml#addons-richlistbox");  
-}
-
 .addon[status="installed"] {
   -moz-box-orient: vertical;
   -moz-binding: url("chrome://mozapps/content/extensions/extensions.xml#addon-generic");
diff --git a/toolkit/mozapps/extensions/content/extensions.xml b/toolkit/mozapps/extensions/content/extensions.xml
index 2851e848204d..6fa86f300e39 100644
--- a/toolkit/mozapps/extensions/content/extensions.xml
+++ b/toolkit/mozapps/extensions/content/extensions.xml
@@ -521,61 +521,6 @@
   </binding>
 
 
-  <binding id="addons-richlistbox" extends="chrome://global/content/bindings/richlistbox.xml#richlistbox">
-    <implementation>
-      <field name="mLastMoveTime">null</field>
-      <field name="mLastMousePos">null</field>
-    </implementation>
-    <handlers>
-      <!-- Automatically select the item under the mouse cursor -->
-      <handler event="mousemove"><![CDATA[
-        // Save latest mouse position incase we want to scroll and keep the item
-        // under the mouse selected (the scroll event doesn't include this information).
-        this.mLastMousePos = { x: event.clientX,
-                               y: event.clientY };
-
-        // Updating every mousemove can kill performance, so make sure
-        // at least 30ms has passed.
-        var now = Date.now();
-
-        if ((!this.mLastMoveTime) || (now - this.mLastMoveTime > 30)) {
-          var item = event.target;
-
-          while (item && item.localName != "richlistitem")
-            item = item == this ? null : item.parentNode;
-
-          if (!item)
-            return;
-
-          var index = this.getIndexOfItem(item);
-          if (index != this.selectedIndex)
-            this.selectedIndex = index;
-
-          this.mLastMoveTime = now;
-        }
-      ]]></handler>
-      <!-- Automatically select the item under the mouse cursor when scrolling -->
-      <handler event="scroll"><![CDATA[
-        if (!this.mLastMousePos)
-          return;
-
-        var item = document.elementFromPoint(this.mLastMousePos.x,
-                                             this.mLastMousePos.y);
-
-        while (item && item.localName != "richlistitem")
-          item = item == this ? null : item.parentNode;
-
-        if (!item)
-          return;
-
-        var index = this.getIndexOfItem(item);
-        if (index != this.selectedIndex)
-          this.selectedIndex = index;
-      ]]></handler>
-    </handlers>
-  </binding>
-
-
   <!-- Install status - Displays the status of an install/upgrade. -->
   <binding id="install-status">
     <content>
@@ -900,7 +845,8 @@
             <xul:vbox flex="1">
               <xul:hbox align="center" class="description-container">
                 <xul:label flex="1" anonid="description" class="description" crop="end"/>
-                <xul:button anonid="details-btn" class="details"
+                <xul:button anonid="details-btn" class="details button-link"
+                            label="&addon.details.label;"
                             tooltiptext="&addon.details.tooltip;"
                             oncommand="document.getBindingParent(this).showInDetailView();"/>
                 <xul:spacer flex="5000"/> <!-- Necessary to make the description crop -->
@@ -1681,33 +1627,20 @@
 
     <handlers>
       <handler event="click" button="0"><![CDATA[
-       if (event.originalTarget.localName != "button" &&
-           event.originalTarget.localName != "checkbox" &&
-           !event.originalTarget.classList.contains("text-link")) {
-          this.showInDetailView();
+        switch (event.detail) {
+        case 1:
+          // Prevent double-click where the UI changes on the first click
+          this._lastClickTarget = event.originalTarget;
+          break;
+        case 2:
+          if (event.originalTarget.localName != 'button' &&
+              !event.originalTarget.classList.contains('text-link') &&
+              event.originalTarget == this._lastClickTarget) {
+            this.showInDetailView();
+          }
+          break;
         }
       ]]></handler>
-      <!-- CSS's :active pseudo-class will match if a button is clicked,
-           so we need to track it manually via mousedown. -->
-      <handler event="mousedown" button="0"><![CDATA[
-       if (event.originalTarget.localName != "button" &&
-           event.originalTarget.localName != "checkbox" &&
-           !event.originalTarget.classList.contains("text-link")) {
-          this.setAttribute("mousedown", true);
-        }
-      ]]></handler>
-      <handler event="mouseup" button="0"><![CDATA[
-        this.removeAttribute("mousedown");
-      ]]></handler>
-      <handler event="mouseout"><![CDATA[
-        var el = event.relatedTarget;
-        while (el != null && el != this.parentNode) {
-          if (el == this)
-            return;
-          el = el.parentNode;
-        }
-        this.removeAttribute("mousedown");
-      ]]></handler>
     </handlers>
   </binding>
 
diff --git a/toolkit/mozapps/extensions/test/browser/Makefile.in b/toolkit/mozapps/extensions/test/browser/Makefile.in
index 583c40a9b3ac..ef2c5c389ddb 100644
--- a/toolkit/mozapps/extensions/test/browser/Makefile.in
+++ b/toolkit/mozapps/extensions/test/browser/Makefile.in
@@ -70,7 +70,6 @@ _MAIN_TEST_FILES = \
   browser_bug608316.js \
   browser_bug610764.js \
   browser_bug618502.js \
-  browser_bug625465.js \
   browser_details.js \
   browser_discovery.js \
   browser_dragdrop.js \
diff --git a/toolkit/mozapps/extensions/test/browser/browser_bug562854.js b/toolkit/mozapps/extensions/test/browser/browser_bug562854.js
index f243b4c66a04..4c06cebb784e 100644
--- a/toolkit/mozapps/extensions/test/browser/browser_bug562854.js
+++ b/toolkit/mozapps/extensions/test/browser/browser_bug562854.js
@@ -3,8 +3,7 @@
  */
 
 /**
- * Tests that clicking does not go to detail view if the target is a link or button,
- * but clicking anywhere else does.
+ * Tests that double-click does not go to detail view if the target is a link or button.
  */
 
 function test() {
@@ -41,7 +40,7 @@ function is_in_detail(aManager, view) {
   is(doc.getElementById("view-port").selectedPanel.id, "detail-view", "Should be on the right view");
 }
 
-// Check that clicking on the addon item does something.
+// Check that double-click does something.
 add_test(function() {
   open_manager("addons://list/extension", function(aManager) {
     info("Part 1");
@@ -49,7 +48,8 @@ add_test(function() {
 
     var addon = get_addon_element(aManager, "test1@tests.mozilla.org");
     addon.parentNode.ensureElementIsVisible(addon);
-    EventUtils.synthesizeMouseAtCenter(addon, { }, aManager);
+    EventUtils.synthesizeMouseAtCenter(addon, { clickCount: 1 }, aManager);
+    EventUtils.synthesizeMouseAtCenter(addon, { clickCount: 2 }, aManager);
 
     wait_for_view_load(aManager, function(aManager) {
       info("Part 2");
@@ -110,6 +110,7 @@ add_test(function() {
       var rect = target.getBoundingClientRect();
       var addonRect = addon.getBoundingClientRect();
 
+      EventUtils.synthesizeMouse(target, rect.width / 2, rect.height / 2, { clickCount: 1 }, aManager);
       EventUtils.synthesizeMouse(addon,
         rect.left - addonRect.left + rect.width / 2,
         rect.top - addonRect.top + rect.height / 2,
diff --git a/toolkit/mozapps/extensions/test/browser/browser_bug591465.js b/toolkit/mozapps/extensions/test/browser/browser_bug591465.js
index fad275681c00..973a8d6b6d81 100644
--- a/toolkit/mozapps/extensions/test/browser/browser_bug591465.js
+++ b/toolkit/mozapps/extensions/test/browser/browser_bug591465.js
@@ -128,7 +128,7 @@ add_test(function() {
   }, false);
 
   info("Opening context menu on enabled extension item");
-  el.parentNode.selectedItem = el;
+  EventUtils.synthesizeMouse(el, 4, 4, { }, gManagerWindow);
   EventUtils.synthesizeMouse(el, 4, 4, { type: "contextmenu", button: 2 }, gManagerWindow);
 });
 
@@ -147,7 +147,7 @@ add_test(function() {
   }, false);
 
   info("Opening context menu on newly disabled extension item");
-  el.parentNode.selectedItem = el;
+  EventUtils.synthesizeMouse(el, 4, 4, { }, gManagerWindow);
   EventUtils.synthesizeMouse(el, 4, 4, { type: "contextmenu", button: 2 }, gManagerWindow);
 });
 
@@ -166,7 +166,7 @@ add_test(function() {
   }, false);
 
   info("Opening context menu on newly enabled extension item");
-  el.parentNode.selectedItem = el;
+  EventUtils.synthesizeMouse(el, 4, 4, { }, gManagerWindow);
   EventUtils.synthesizeMouse(el, 4, 4, { type: "contextmenu", button: 2 }, gManagerWindow);
 });
 
@@ -183,7 +183,7 @@ add_test(function() {
   }, false);
 
   info("Opening context menu on disabled extension item");
-  el.parentNode.selectedItem = el;
+  EventUtils.synthesizeMouse(el, 4, 4, { }, gManagerWindow);
   EventUtils.synthesizeMouse(el, 4, 4, { type: "contextmenu", button: 2 }, gManagerWindow);
 });
 
@@ -203,7 +203,7 @@ add_test(function() {
     }, false);
 
     info("Opening context menu on enabled theme item");
-    el.parentNode.selectedItem = el;
+    EventUtils.synthesizeMouse(el, 4, 4, { }, gManagerWindow);
     EventUtils.synthesizeMouse(el, 4, 4, { type: "contextmenu", button: 2 }, gManagerWindow);
   });
 });
@@ -222,7 +222,7 @@ add_test(function() {
   }, false);
 
   info("Opening context menu on disabled theme item");
-  el.parentNode.selectedItem = el;
+  EventUtils.synthesizeMouse(el, 4, 4, { }, gManagerWindow);
   EventUtils.synthesizeMouse(el, 4, 4, { type: "contextmenu", button: 2 }, gManagerWindow);
 });
 
@@ -242,7 +242,7 @@ add_test(function() {
 
     info("Opening context menu on enabled extension, in detail view");
     var el = gManagerWindow.document.querySelector("#detail-view .detail-view-container");
-    el.parentNode.selectedItem = el;
+    EventUtils.synthesizeMouse(el, 4, 4, { }, gManagerWindow);
     EventUtils.synthesizeMouse(el, 4, 4, { type: "contextmenu", button: 2 }, gManagerWindow);
   });
 });
@@ -263,7 +263,7 @@ add_test(function() {
 
     info("Opening context menu on disabled extension, in detail view");
     var el = gManagerWindow.document.querySelector("#detail-view .detail-view-container");
-    el.parentNode.selectedItem = el;
+    EventUtils.synthesizeMouse(el, 4, 4, { }, gManagerWindow);
     EventUtils.synthesizeMouse(el, 4, 4, { type: "contextmenu", button: 2 }, gManagerWindow);
   });
 });
@@ -284,7 +284,7 @@ add_test(function() {
 
     info("Opening context menu on enabled theme, in detail view");
     var el = gManagerWindow.document.querySelector("#detail-view .detail-view-container");
-    el.parentNode.selectedItem = el;
+    EventUtils.synthesizeMouse(el, 4, 4, { }, gManagerWindow);
     EventUtils.synthesizeMouse(el, 4, 4, { type: "contextmenu", button: 2 }, gManagerWindow);
   });
 });
@@ -305,7 +305,7 @@ add_test(function() {
 
     info("Opening context menu on disabled theme, in detail view");
     var el = gManagerWindow.document.querySelector("#detail-view .detail-view-container");
-    el.parentNode.selectedItem = el;
+    EventUtils.synthesizeMouse(el, 4, 4, { }, gManagerWindow);
     EventUtils.synthesizeMouse(el, 4, 4, { type: "contextmenu", button: 2 }, gManagerWindow);
   });
 });
@@ -325,7 +325,7 @@ add_test(function() {
 
     info("Opening context menu with single menu item on enabled theme, in detail view");
     var el = gManagerWindow.document.querySelector("#detail-view .detail-view-container");
-    el.parentNode.selectedItem = el;
+    EventUtils.synthesizeMouse(el, 4, 4, { }, gManagerWindow);
     EventUtils.synthesizeMouse(el, 4, 4, { type: "contextmenu", button: 2 }, gManagerWindow);
   });
 });
@@ -359,7 +359,7 @@ add_test(function() {
       }, false);
 
       info("Opening context menu on remote extension item");
-      el.parentNode.selectedItem = el;
+      EventUtils.synthesizeMouse(el, 4, 4, { }, gManagerWindow);
       EventUtils.synthesizeMouse(el, 4, 4, { type: "contextmenu", button: 2 }, gManagerWindow);
 
     });
@@ -389,7 +389,7 @@ add_test(function() {
 
     info("Opening context menu on remote extension, in detail view");
     var el = gManagerWindow.document.querySelector("#detail-view .detail-view-container");
-    el.parentNode.selectedItem = el;
+    EventUtils.synthesizeMouse(el, 4, 4, { }, gManagerWindow);
     EventUtils.synthesizeMouse(el, 4, 4, { type: "contextmenu", button: 2 }, gManagerWindow);
   });
 });
diff --git a/toolkit/mozapps/extensions/test/browser/browser_bug625465.js b/toolkit/mozapps/extensions/test/browser/browser_bug625465.js
deleted file mode 100644
index 732b0d247ea7..000000000000
--- a/toolkit/mozapps/extensions/test/browser/browser_bug625465.js
+++ /dev/null
@@ -1,101 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/
- */
-
-// Bug 625465 - Items in list view should launch description view with a single click on an add-on entry
-
-var gManagerWindow;
-var gList;
-
-function test() {
-  waitForExplicitFinish();
-
-  var gProvider = new MockProvider();
-  for (let i = 1; i <= 30; i++) {
-    gProvider.createAddons([{
-      id: "test" + i + "@tests.mozilla.org",
-      name: "Test add-on " + i,
-      description: "foo"
-    }]);
-  }
-
-  open_manager("addons://list/extension", function(aManager) {
-    gManagerWindow = aManager;
-    gList = gManagerWindow.document.getElementById("addon-list");
-
-    run_next_test();
-  });
-}
-
-function end_test() {
-  close_manager(gManagerWindow, finish);
-}
-
-
-function get_item_content_pos(aItem) {
-  return {
-    x: (aItem.boxObject.x - gList.boxObject.x) + 10,
-    y: (aItem.boxObject.y - gList.boxObject.y - gList._scrollbox.scrollTop) + 10
-  };
-}
-
-function get_item_index(aItem) {
-  for (let i = 0; i < gList.childElementCount; i++) {
-    if (gList.childNodes[i] == aItem)
-      return i;
-  }
-  return -1;
-}
-
-function mouseover_item(aItemNum, aCallback) {
-  var item = get_addon_element(gManagerWindow, "test" + aItemNum + "@tests.mozilla.org");
-  var itemIndex = get_item_index(item);
-  gList.ensureElementIsVisible(item);
-  if (aItemNum == 1)
-    is(gList.selectedIndex, -1, "Should not initially have an item selected");
-
-  info("Moving mouse over item: " + item.value);
-  var pos = get_item_content_pos(item);
-  EventUtils.synthesizeMouse(gList, pos.x, pos.y, {type: "mousemove"}, gManagerWindow);
-  executeSoon(function() {
-    is(gManagerWindow.gViewController.currentViewId, "addons://list/extension", "Should still be in list view");
-    is(gList.selectedIndex, itemIndex, "Correct item should be selected");
-  
-    aCallback();
-  });
-}
-
-add_test(function() {
-  var i = 1;
-  function test_next_item() {
-    if (i < 10) {
-      mouseover_item(i, function() {
-        i++
-        test_next_item();
-      });
-    } else {
-      run_next_test();
-    }
-  }
-  test_next_item();
-});
-
-
-add_test(function() {
-  gList.selectedIndex = 1;
-  var item = gList.selectedItem;
-  gList.ensureElementIsVisible(item);
-  var pos = get_item_content_pos(item);
-  EventUtils.synthesizeMouse(gList, pos.x, pos.y, {type: "mousemove"}, gManagerWindow);
-  executeSoon(function() {
-    var scrollDelta = item.boxObject.height * 2;
-    info("Scrolling by " + scrollDelta + "px (2 items)");
-    EventUtils.synthesizeMouseScroll(gList, pos.x, pos.y, {type: "MozMousePixelScroll", delta: scrollDelta}, gManagerWindow);
-    setTimeout(function() {
-      var item = gList.selectedItem;
-      var itemIndex = get_item_index(item);
-      is(itemIndex, 3, "Correct item should be selected");
-      run_next_test();
-    }, 100);
-  });
-});
diff --git a/toolkit/mozapps/extensions/test/browser/browser_list.js b/toolkit/mozapps/extensions/test/browser/browser_list.js
index e412ff392a7c..b5f19162e158 100644
--- a/toolkit/mozapps/extensions/test/browser/browser_list.js
+++ b/toolkit/mozapps/extensions/test/browser/browser_list.js
@@ -594,8 +594,7 @@ add_test(function() {
            getService(Ci.nsIFocusManager);
 
   let addon = items["Test add-on 6"];
-  addon.parentNode.selectedItem = addon;
-  addon.focus();
+  EventUtils.synthesizeMouseAtCenter(addon, { }, gManagerWindow);
   is(fm.focusedElement, addon.parentNode, "Focus should have moved to the list");
 
   EventUtils.synthesizeKey("VK_TAB", { }, gManagerWindow);
diff --git a/toolkit/themes/gnomestripe/mozapps/extensions/extensions.css b/toolkit/themes/gnomestripe/mozapps/extensions/extensions.css
index 3bd5f985565f..ebfdd179585e 100644
--- a/toolkit/themes/gnomestripe/mozapps/extensions/extensions.css
+++ b/toolkit/themes/gnomestripe/mozapps/extensions/extensions.css
@@ -414,15 +414,9 @@
 }
 
 .details {
-  -moz-appearance: none;
-  border: none;
   cursor: pointer;
-  padding: 0;
   margin: 0;
-  background: transparent;
-  min-width: 13px;
-  -moz-margin-start: 6px;
-  list-style-image: url("moz-icon://stock/gtk-go-forward?size=16");
+  -moz-margin-start: 10px;
 }
 
 .icon-container {
diff --git a/toolkit/themes/pinstripe/mozapps/extensions/detail-btn.png b/toolkit/themes/pinstripe/mozapps/extensions/detail-btn.png
deleted file mode 100644
index 2a422483b108..000000000000
Binary files a/toolkit/themes/pinstripe/mozapps/extensions/detail-btn.png and /dev/null differ
diff --git a/toolkit/themes/pinstripe/mozapps/extensions/extensions.css b/toolkit/themes/pinstripe/mozapps/extensions/extensions.css
index 0749ce1da75e..f01256b7b988 100644
--- a/toolkit/themes/pinstripe/mozapps/extensions/extensions.css
+++ b/toolkit/themes/pinstripe/mozapps/extensions/extensions.css
@@ -440,24 +440,9 @@
 }
 
 .details {
-  -moz-appearance: none;
-  border: none;
   cursor: pointer;
-  padding: 3px 0 0 0;
   margin: 0;
-  background: transparent;
-  min-width: 13px;
-  -moz-margin-start: 6px;
-  list-style-image: url("chrome://mozapps/skin/extensions/detail-btn.png");
-  -moz-image-region: rect(0px, 13px, 13px, 0px);
-}
-
-.details:hover {
-  -moz-image-region: rect(0px, 26px, 13px, 13px);
-}
-
-.details:active {
-  -moz-image-region: rect(0px, 39px, 13px, 26px);
+  -moz-margin-start: 10px;
 }
 
 .icon-container {
@@ -642,7 +627,7 @@
 }
 
 .addon[selected] {
-  background-color: rgba(255, 255, 255, 0.45);
+  background-color: rgba(105, 125, 149, 0.39);
   color: black;
 }
 
@@ -654,11 +639,6 @@
   color: #3F3F3F;
 }
 
-.addon[mousedown] {
-  background-color: rgba(255, 255, 255, 0.3);
-  box-shadow: inset 1px 1px 4px rgba(0, 0, 0, 0.15);
-}
-
 
 /*** search view ***/
 
diff --git a/toolkit/themes/pinstripe/mozapps/jar.mn b/toolkit/themes/pinstripe/mozapps/jar.mn
index 1a7624043035..cdba5fd47aeb 100644
--- a/toolkit/themes/pinstripe/mozapps/jar.mn
+++ b/toolkit/themes/pinstripe/mozapps/jar.mn
@@ -35,7 +35,6 @@ toolkit.jar:
   skin/classic/mozapps/extensions/alerticon-info-positive.png     (extensions/alerticon-info-positive.png)
   skin/classic/mozapps/extensions/alerticon-info-negative.png     (extensions/alerticon-info-negative.png)
   skin/classic/mozapps/extensions/background-texture.png          (extensions/background-texture.png)
-  skin/classic/mozapps/extensions/detail-btn.png                  (extensions/detail-btn.png)
   skin/classic/mozapps/extensions/about.css                       (extensions/about.css)
 * skin/classic/mozapps/extensions/extensions.css                  (extensions/extensions.css)
   skin/classic/mozapps/extensions/extensions.svg                  (extensions/extensions.svg)
diff --git a/toolkit/themes/winstripe/mozapps/extensions/detail-btn.png b/toolkit/themes/winstripe/mozapps/extensions/detail-btn.png
deleted file mode 100644
index 2a422483b108..000000000000
Binary files a/toolkit/themes/winstripe/mozapps/extensions/detail-btn.png and /dev/null differ
diff --git a/toolkit/themes/winstripe/mozapps/extensions/extensions.css b/toolkit/themes/winstripe/mozapps/extensions/extensions.css
index 71a9ded28873..61803dc90022 100644
--- a/toolkit/themes/winstripe/mozapps/extensions/extensions.css
+++ b/toolkit/themes/winstripe/mozapps/extensions/extensions.css
@@ -513,28 +513,9 @@
 }
 
 .details {
-  -moz-appearance: none;
-  border: none;
   cursor: pointer;
-  padding: 3px 0 0 0;
   margin: 0;
-  background: transparent;
-  min-width: 13px;
-  -moz-margin-start: 6px;
-  list-style-image: url("chrome://mozapps/skin/extensions/detail-btn.png");
-  -moz-image-region: rect(0px, 13px, 13px, 0px);
-}
-
-.details:hover {
-  -moz-image-region: rect(0px, 26px, 13px, 13px);
-}
-
-.details:active {
-  -moz-image-region: rect(0px, 39px, 13px, 26px);
-}
-
-.details:-moz-focusring > .button-box {
-  border-color: transparent;
+  -moz-margin-start: 10px;
 }
 
 .icon-container {
@@ -698,7 +679,7 @@
 }
 
 .addon[selected] {
-  background-color: rgba(255, 255, 255, 0.65);
+  background-color: rgba(148, 172, 204, 0.39);
   color: black;
 }
 
@@ -710,25 +691,6 @@
   color: #3F3F3F;
 }
 
-.addon[mousedown] {
-  background-color: rgba(255, 255, 255, 0.5);
-  box-shadow: inset 1px 1px 4px rgba(0, 0, 0, 0.20);
-  border-top-width: 1px;
-  border-bottom-width: 0px;
-  padding-top: 6px;
-  padding-bottom: 6px;
-}
-
-.view-pane:not(#search-view) .addon[mousedown]:first-of-type,
-#search-view .addon[first][mousedown] {
-  border-top-width: 0px;
-}
-
-.view-pane:not(#search-view) .addon[mousedown]:last-of-type,
-#search-view .addon[last][mousedown] {
-  border-bottom-width: 1px;
-}
-
 
 /*** item - uninstalled ***/
 
diff --git a/toolkit/themes/winstripe/mozapps/jar.mn b/toolkit/themes/winstripe/mozapps/jar.mn
index bf0765abe936..7f35927835e8 100644
--- a/toolkit/themes/winstripe/mozapps/jar.mn
+++ b/toolkit/themes/winstripe/mozapps/jar.mn
@@ -42,7 +42,6 @@ toolkit.jar:
         skin/classic/mozapps/extensions/alerticon-info-positive.png (extensions/alerticon-info-positive.png)
         skin/classic/mozapps/extensions/alerticon-info-negative.png (extensions/alerticon-info-negative.png)
         skin/classic/mozapps/extensions/background-texture.png     (extensions/background-texture.png)
-        skin/classic/mozapps/extensions/detail-btn.png             (extensions/detail-btn.png)
         skin/classic/mozapps/extensions/eula.css                   (extensions/eula.css)
         skin/classic/mozapps/handling/handling.css                 (handling/handling.css)
         skin/classic/mozapps/passwordmgr/key.png                   (passwordmgr/key.png)
@@ -118,7 +117,6 @@ toolkit.jar:
         skin/classic/aero/mozapps/extensions/alerticon-info-positive.png   (extensions/alerticon-info-positive.png)
         skin/classic/aero/mozapps/extensions/alerticon-info-negative.png   (extensions/alerticon-info-negative.png)
         skin/classic/aero/mozapps/extensions/background-texture.png        (extensions/background-texture.png)
-        skin/classic/aero/mozapps/extensions/detail-btn.png                     (extensions/detail-btn.png)
         skin/classic/aero/mozapps/extensions/eula.css                      (extensions/eula.css)
         skin/classic/aero/mozapps/handling/handling.css                    (handling/handling.css)
         skin/classic/aero/mozapps/passwordmgr/key.png                      (passwordmgr/key-aero.png)