diff --git a/nixos/modules/services/x11/desktop-managers/xfce4-14.nix b/nixos/modules/services/x11/desktop-managers/xfce4-14.nix
index 458d4a2f4229..130e865a1fb4 100644
--- a/nixos/modules/services/x11/desktop-managers/xfce4-14.nix
+++ b/nixos/modules/services/x11/desktop-managers/xfce4-14.nix
@@ -53,6 +53,7 @@ in
       glib # for gsettings
       gtk3.out # gtk-update-icon-cache
 
+      gnome3.gnome-themes-extra
       gnome3.adwaita-icon-theme
       hicolor-icon-theme
       tango-icon-theme
@@ -69,16 +70,17 @@ in
 
       exo
       garcon
-      gtk-xfce-engine
       libxfce4ui
       xfconf
 
       mousepad
+      parole
       ristretto
       xfce4-appfinder
       xfce4-screenshooter
       xfce4-session
       xfce4-settings
+      xfce4-taskmanager
       xfce4-terminal
 
       # TODO: resync patch for plugins
@@ -86,12 +88,16 @@ in
       thunar
     ] # TODO: NetworkManager doesn't belong here
       ++ optional config.networking.networkmanager.enable networkmanagerapplet
-      ++ optional config.hardware.pulseaudio.enable xfce4-pulseaudio-plugin
       ++ optional config.powerManagement.enable xfce4-power-manager
-      ++ optional cfg.enableXfwm xfwm4
-      ++ optionals (!cfg.noDesktop) [
-        xfce4-panel
+      ++ optionals config.hardware.pulseaudio.enable [
+        pavucontrol
+        xfce4-pulseaudio-plugin
+      ] ++ optionals cfg.enableXfwm [
+        xfwm4
+        xfwm4-themes
+      ] ++ optionals (!cfg.noDesktop) [
         xfce4-notifyd
+        xfce4-panel
         xfdesktop
       ];
 
diff --git a/pkgs/desktops/xfce4-14/default.nix b/pkgs/desktops/xfce4-14/default.nix
index 294dfa92c798..0e2c8c1696b2 100644
--- a/pkgs/desktops/xfce4-14/default.nix
+++ b/pkgs/desktops/xfce4-14/default.nix
@@ -93,8 +93,6 @@ makeScope newScope (self: with self; {
 
   ## COMMON PARTS WITH XFCE 4.12
 
-  gtk-xfce-engine = callPackage ../xfce/core/gtk-xfce-engine.nix { withGtk3 = false; };
-
   xfce4-icon-theme = callPackage ../xfce/art/xfce4-icon-theme.nix { };
 
   xfwm4-themes = callPackage ../xfce/art/xfwm4-themes.nix { };
@@ -113,7 +111,6 @@ makeScope newScope (self: with self; {
 
 
   ## ALIASES
-
-  # added 2019-08-18
-  xfce4-mixer = throw "deprecated 2019-08-18: obsoleted by xfce4-pulseaudio-plugin";
+  xfce4-mixer = throw "deprecated 2019-08-18: obsoleted by xfce4-pulseaudio-plugin"; # added 2019-08-18
+  gtk-xfce-engine = throw "deprecated 2019-09-17: Xfce 4.14 deprecated gtk-xfce-engine"; # added 2019-09-17
 })
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index b19f185b4ae1..36b6efe191d5 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -388,6 +388,7 @@ mapAliases ({
   winusb = woeusb; # added 2017-12-22
   wireguard = wireguard-tools; # added 2018-05-19
   morituri = whipper; # added 2018-09-13
+  xfceUnstable = xfce4-14; # added 2019-09-17
   x11 = xlibsWrapper; # added 2015-09
   xbmc = kodi; # added 2018-04-25
   xbmcPlain = kodiPlain; # added 2018-04-25
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f3e5b2f44b99..66649dcd26ad 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -22709,7 +22709,6 @@ in
   solarc-gtk-theme = callPackage ../misc/themes/solarc { };
 
   xfce = xfce4-12;
-  xfceUnstable = xfce4-14;
 
   xfce4-12 = recurseIntoAttrs (callPackage ../desktops/xfce { });
   xfce4-14 = recurseIntoAttrs (callPackage ../desktops/xfce4-14 { });