diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 189e5457..09b402ba 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
       run: |
         apt update
         apt install -y libgala-dev libgee-0.8-dev libglib2.0-dev libgranite-dev libgtk-3-dev libhandy-1-dev \
-        libdbus-glib-1-dev libwnck-3-dev libgtop2-dev libwingpanel-3.0-dev libudisks2-dev \
+        libdbus-glib-1-dev libgtop2-dev libwingpanel-3.0-dev libudisks2-dev \
         libxnvctrl0 libxnvctrl-dev libcurl4-gnutls-dev libflatpak-dev libjson-glib-dev \
         liblivechart-1-dev libpci-dev \
         meson valac sassc git
diff --git a/README.md b/README.md
index 1c2f7cbd..a642d98b 100644
--- a/README.md
+++ b/README.md
@@ -38,13 +38,13 @@ Monitor will be available from the Applications menu.
 If you plan to install WITH a wingpanel-indicator
 
 ```bash
-sudo apt install build-essential cmake sassc valac libgtk-3-dev libgee-0.8-dev libgranite-dev libgtop2-dev libwnck-3-dev libhandy-1-dev libudisks2-dev libjson-glib-dev libflatpak-dev libxnvctrl-dev liblivechart-1-dev libpci-dev libwingpanel-dev meson
+sudo apt install build-essential cmake sassc valac libgtk-3-dev libgee-0.8-dev libgranite-dev libgtop2-dev libhandy-1-dev libudisks2-dev libjson-glib-dev libflatpak-dev libxnvctrl-dev liblivechart-1-dev libpci-dev libwingpanel-dev meson
 ```
 
 Alternatively, if you plan to install WITHOUT a wingpanel-indicator
 
 ```bash
-sudo apt install build-essential cmake sassc valac libgtk-3-dev libgee-0.8-dev libgranite-dev libgtop2-dev libwnck-3-dev libhandy-1-dev libudisks2-dev libjson-glib-dev libflatpak-dev libxnvctrl-dev liblivechart-1-dev libpci-dev meson
+sudo apt install build-essential cmake sassc valac libgtk-3-dev libgee-0.8-dev libgranite-dev libgtop2-dev libhandy-1-dev libudisks2-dev libjson-glib-dev libflatpak-dev libxnvctrl-dev liblivechart-1-dev libpci-dev meson
 ```
 
 
diff --git a/meson.build b/meson.build
index 8636cf10..1e6600fc 100644
--- a/meson.build
+++ b/meson.build
@@ -15,7 +15,6 @@ vapidir = meson.current_source_dir() / 'vapi/'
 add_global_arguments('-DGETTEXT_PACKAGE="@0@"'.format(meson.project_name()), language: 'c')
 
 add_project_arguments(['--vapidir', vapidir], language: 'vala')
-add_project_arguments(['-DWNCK_I_KNOW_THIS_IS_UNSTABLE', '-w'], language: 'c')
 
 # subprojects should be skipped: https://mesonbuild.com/Release-notes-for-0-58-0.html#skip-subprojects-installation
 # needs meson 0.58.0
@@ -29,7 +28,6 @@ app_dependencies = [
     dependency('gio-2.0'),
     dependency('gobject-2.0'),
     dependency('libgtop-2.0'),
-    dependency('libwnck-3.0'),
     dependency('libhandy-1', version: '>=0.90.0'),
     dependency('gdk-x11-3.0'),
     dependency('x11'),
diff --git a/src/Managers/Process.vala b/src/Managers/Process.vala
index 91f74f9d..db527f83 100644
--- a/src/Managers/Process.vala
+++ b/src/Managers/Process.vala
@@ -322,12 +322,6 @@ public class Monitor.Process : GLib.Object {
         GTop.get_proc_mem (out proc_mem, stat.pid);
         mem_usage = (proc_mem.resident - proc_mem.share) / 1024; // in KiB
 
-        // also if it is using X Window Server
-        if (Gdk.Display.get_default () is Gdk.X11.Display) {
-            Wnck.ResourceUsage resu = Wnck.ResourceUsage.pid_read (Gdk.Display.get_default (), stat.pid);
-            mem_usage += (resu.total_bytes_estimate / 1024);
-        }
-
         var total_installed_memory = (double) mem.total / 1024;
         mem_percentage = (mem_usage / total_installed_memory) * 100;