diff --git a/zap/src/main/java/org/zaproxy/zap/extension/stdmenus/ExtensionStdMenus.java b/zap/src/main/java/org/zaproxy/zap/extension/stdmenus/ExtensionStdMenus.java
index 3014e2a14a3..0299b0d1ca3 100644
--- a/zap/src/main/java/org/zaproxy/zap/extension/stdmenus/ExtensionStdMenus.java
+++ b/zap/src/main/java/org/zaproxy/zap/extension/stdmenus/ExtensionStdMenus.java
@@ -71,8 +71,6 @@ public class ExtensionStdMenus extends ExtensionAdaptor implements ClipboardOwne
     private PopupContextTreeMenu popupContextTreeMenuDelete = null;
     private PopupContextTreeMenu popupContextTreeMenuExport;
 
-    // Still being developed
-    // private PopupMenuShowResponseInBrowser popupMenuShowResponseInBrowser = null;
     private static final Logger LOGGER = LogManager.getLogger(ExtensionStdMenus.class);
 
     public ExtensionStdMenus() {
diff --git a/zap/src/main/resources/org/zaproxy/zap/resources/Messages.properties b/zap/src/main/resources/org/zaproxy/zap/resources/Messages.properties
index 308583173c6..27e83d872d2 100644
--- a/zap/src/main/resources/org/zaproxy/zap/resources/Messages.properties
+++ b/zap/src/main/resources/org/zaproxy/zap/resources/Messages.properties
@@ -609,8 +609,6 @@ ascan.scripts.interface.active.error = The provided Active Rules script ({0}) do
 ascan.scripts.skip.reason = no scripts enabled
 ascan.scripts.type.active = Active Rules
 ascan.scripts.type.active.desc = Active Rules scripts run when you run the Active Scanner.\n\nYou must enable them before they will be used.\n\n
-ascan.site.popup = Active Scan Site
-ascan.subtree.popup = Active Scan Subtree
 ascan.toolbar.ascans.label = Current Scans:
 ascan.toolbar.button.clear = Clean Completed Scans
 ascan.toolbar.button.new = New Scan
@@ -624,7 +622,6 @@ ascan.toolbar.newalerts.label = New Alerts:
 ascan.toolbar.progress.label = Progress:
 ascan.toolbar.progress.select = --Select Scan--
 ascan.toolbar.requests.label = Num Requests:
-ascan.url.popup = Active Scan single URL
 
 attack.site.popup = Attack
 
@@ -1714,7 +1711,6 @@ history.scan.warning = Error getting History.
 history.scope.button.selected = Show all URLs
 history.scope.button.unselected = Show only URLs in Scope
 history.showinhistory.popup = Show in History Tab
-history.showresponse.popup = Show response in Browser
 history.tags.popup = Manage History Tags...
 
 http.panel.component.all.tooltip = Combined Display for Header and Body