diff --git a/src/extensionsIntegrated/Phoenix-live-preview/main.js b/src/extensionsIntegrated/Phoenix-live-preview/main.js
index 1d60d649e6..3ef4476b16 100644
--- a/src/extensionsIntegrated/Phoenix-live-preview/main.js
+++ b/src/extensionsIntegrated/Phoenix-live-preview/main.js
@@ -140,9 +140,6 @@ define(function (require, exports, module) {
     });
 
     const LIVE_PREVIEW_PANEL_ID = "live-preview-panel";
-    // how long a popout waits for a live preview session that is still starting, and how often it looks
-    const POPOUT_SESSION_WAIT_MS = 5000;
-    const POPOUT_SESSION_POLL_MS = 50;
 
     /** Fired with the full path whenever the preview switches to a different file. */
     const EVENT_PREVIEWED_FILE_CHANGE = "previewedFileChange";
@@ -781,78 +778,6 @@ define(function (require, exports, module) {
         }
     }
 
-    /**
-     * Whether the live preview can be opened in a browser on this platform. No page needs to have been previewed
-     * yet: `popoutLivePreview` works out the page when it is asked.
-     * @return {boolean}
-     */
-    function canPopoutLivePreview() {
-        return Phoenix.isNativeApp || Phoenix.browser.desktop.isChromeBased || Phoenix.browser.desktop.isFirefox;
-    }
-
-    // Whether the live preview session can serve the page a popout is to open. The server has to be up, and a
-    // page it instruments needs its live document: without one the tab gets the bare file and never connects.
-    function _canSessionServe(previewDetails) {
-        if (previewDetails.isServerNotReady) {
-            return false;
-        }
-        if (!previewDetails.isHTMLFile || previewDetails.isCustomServer || previewDetails.isNoPreview) {
-            return true;
-        }
-        const liveDoc = MultiBrowserLiveDev.getCurrentLiveDoc();
-        return !!liveDoc && liveDoc.doc.file.fullPath === previewDetails.fullPath;
-    }
-
-    /**
-     * The details of the page a popout is to open, once the live preview session can serve it. A session that
-     * cannot yet is started and waited for; past the timeout the details come back as they stand.
-     * @return {Promise<Object>}
-     */
-    async function _getPopoutPreviewDetails() {
-        let previewDetails = await StaticServer.getPreviewDetails();
-        if (_canSessionServe(previewDetails)) {
-            return previewDetails;
-        }
-        LiveDevelopment.openLivePreview();
-        const deadline = Date.now() + POPOUT_SESSION_WAIT_MS;
-        while (!_canSessionServe(previewDetails) && Date.now() < deadline) {
-            await new Promise((resolve) => setTimeout(resolve, POPOUT_SESSION_POLL_MS));
-            previewDetails = await StaticServer.getPreviewDetails();
-        }
-        return previewDetails;
-    }
-
-    /**
-     * Opens the page the live preview would show in the default browser, starting the session if it cannot serve
-     * that page yet. The page is worked out afresh, as a docked panel that is closed or never opened has none.
-     * @return {Promise<boolean>} false when the live preview server could not name a page
-     */
-    async function popoutLivePreview() {
-        if (!canPopoutLivePreview()) {
-            return false;
-        }
-        if (urlPinned && currentLivePreviewURL) {
-            // a pinned url stays the page, as it does in the docked panel
-            if (LiveDevelopment.isInactive()) {
-                LiveDevelopment.openLivePreview();
-            }
-        } else {
-            const previewDetails = await _getPopoutPreviewDetails();
-            if (previewDetails.isServerNotReady) {
-                return false;
-            }
-            currentLivePreviewURL = encodeURI(previewDetails.URL);
-            _setPreviewedFile(previewDetails.fullPath);
-        }
-        // In the browser a popped out tab ignores the url it opens with and asks which page to show. Only a
-        // preview load names that page, and none runs while the docked panel is closed and no tab is up yet.
-        if (!Phoenix.isNativeApp) {
-            StaticServer.redirectAllTabs(currentLivePreviewURL, false);
-        }
-        _popoutLivePreview();
-        return true;
-    }
-
     function _setTitle(fileName, fullPath, currentLivePreviewURL) {
         let message = Strings.LIVE_DEV_SELECT_FILE_TO_PREVIEW,
             tooltip = message;
@@ -1016,7 +941,9 @@ define(function (require, exports, module) {
             Metrics.countEvent(Metrics.EVENT_TYPE.LIVE_PREVIEW, "settingsBtn", "click");
         });
 
-        if(!canPopoutLivePreview()){
+        const popoutSupported = Phoenix.isNativeApp
+            || Phoenix.browser.desktop.isChromeBased || Phoenix.browser.desktop.isFirefox;
+        if(!popoutSupported){
             // live preview can be popped out currently in only chrome based browsers. The cross domain iframe
             // that serves the live preview(phcode.live) is sandboxed to the tab in which phcode.dev resides.
             // all iframes in the tab can communicate between each other, but when you popout another tab, it forms
@@ -1918,8 +1845,6 @@ define(function (require, exports, module) {
     exports.getPreviewedFilePath = getPreviewedFilePath;
     /** @return {string|null} Transport client of the current embedded HTML preview, never a popout. */
     exports.getEmbeddedClientID = function () { return _dockedClientID || null; };
-    exports.canPopoutLivePreview = canPopoutLivePreview;
-    exports.popoutLivePreview = popoutLivePreview;
     exports.reloadLivePreview = reloadLivePreview;
 });
 
diff --git a/src/nls/root/strings.js b/src/nls/root/strings.js
index 455651f51e..4187531cf8 100644
--- a/src/nls/root/strings.js
+++ b/src/nls/root/strings.js
@@ -815,7 +815,6 @@ define({
     "LIVE_PREVIEW_LAYERS_TAB": "Layers",
     "LIVE_PREVIEW_LAYERS_NEEDS_PREVIEW": "The Layers panel needs a live preview.",
     "LIVE_PREVIEW_LAYERS_OPEN_PREVIEW": "Open Live Preview",
-    "LIVE_PREVIEW_LAYERS_OPEN_IN_BROWSER": "Open in Browser",
     "LIVE_PREVIEW_LAYERS_NEEDS_HTML": "Open an HTML file to see its layers.",
     "LIVE_PREVIEW_LAYERS_CHOOSE_PAGE": "Choose a page",
     "LIVE_PREVIEW_LAYERS_PICK_HTML": "Pick an HTML file to see its layers.",
diff --git a/src/styles/Extn-LayersPanel.less b/src/styles/Extn-LayersPanel.less
index 0d5cd8216f..d418ba7ca1 100644
--- a/src/styles/Extn-LayersPanel.less
+++ b/src/styles/Extn-LayersPanel.less
@@ -248,27 +248,6 @@
         }
     }
 
-    .layers-message-btn-secondary {
-        background: transparent;
-        border-color: @layers-border-strong;
-        box-shadow: none;
-        color: @project-panel-text-1;
-
-        i {
-            font-size: 11px;
-            color: @project-panel-text-2;
-        }
-
-        &:hover {
-            background: @layers-hover-bg;
-            border-color: rgba(255, 255, 255, 0.22);
-        }
-
-        &:active {
-            background: @layers-input-bg;
-        }
-    }
-
     .layers-files-heading,
     .layers-files-intro {
         display: contents;