diff --git a/pkgs/by-name/bu/budgie-control-center/package.nix b/pkgs/by-name/bu/budgie-control-center/package.nix
index abfe40091aa8..fb265d926d59 100644
--- a/pkgs/by-name/bu/budgie-control-center/package.nix
+++ b/pkgs/by-name/bu/budgie-control-center/package.nix
@@ -18,7 +18,6 @@
   glibc,
   gnome,
   gst_all_1,
-  gnome-color-manager,
   gnome-desktop,
   gnome-settings-daemon,
   gsettings-desktop-schemas,
@@ -83,7 +82,6 @@ stdenv.mkDerivation (finalAttrs: {
   patches = [
     (replaceVars ./paths.patch {
       budgie_desktop = budgie-desktop;
-      gcm = gnome-color-manager;
       inherit
         cups
         libgnomekbd
diff --git a/pkgs/by-name/bu/budgie-control-center/paths.patch b/pkgs/by-name/bu/budgie-control-center/paths.patch
index 584d12038285..3d744e3ce2e9 100644
--- a/pkgs/by-name/bu/budgie-control-center/paths.patch
+++ b/pkgs/by-name/bu/budgie-control-center/paths.patch
@@ -1,42 +1,3 @@
-diff --git a/panels/color/cc-color-panel.c b/panels/color/cc-color-panel.c
-index a2f90b093..7801b4a5e 100644
---- a/panels/color/cc-color-panel.c
-+++ b/panels/color/cc-color-panel.c
-@@ -587,7 +587,7 @@ gcm_prefs_calibrate_cb (CcColorPanel *prefs)
- 
-   /* run with modal set */
-   argv = g_ptr_array_new_with_free_func (g_free);
--  g_ptr_array_add (argv, g_strdup ("gcm-calibrate"));
-+  g_ptr_array_add (argv, g_build_filename ("@gcm@", "bin", "gcm-calibrate", NULL));
-   g_ptr_array_add (argv, g_strdup ("--device"));
-   g_ptr_array_add (argv, g_strdup (cd_device_get_id (prefs->current_device)));
-   g_ptr_array_add (argv, g_strdup ("--parent-window"));
-@@ -940,7 +940,7 @@ gcm_prefs_profile_view (CcColorPanel *prefs, CdProfile *profile)
- 
-   /* open up gcm-viewer as a info pane */
-   argv = g_ptr_array_new_with_free_func (g_free);
--  g_ptr_array_add (argv, g_strdup ("gcm-viewer"));
-+  g_ptr_array_add (argv, g_build_filename ("@gcm@", "bin", "gcm-viewer", NULL));
-   g_ptr_array_add (argv, g_strdup ("--profile"));
-   g_ptr_array_add (argv, g_strdup (cd_profile_get_id (profile)));
-   g_ptr_array_add (argv, g_strdup ("--parent-window"));
-@@ -1186,15 +1186,12 @@ gcm_prefs_device_clicked (CcColorPanel *prefs, CdDevice *device)
- static void
- gcm_prefs_profile_clicked (CcColorPanel *prefs, CdProfile *profile, CdDevice *device)
- {
--  g_autofree gchar *s = NULL;
--
-   /* get profile */
-   g_debug ("selected profile = %s",
-      cd_profile_get_filename (profile));
- 
-   /* allow getting profile info */
--  if (cd_profile_get_filename (profile) != NULL &&
--      (s = g_find_program_in_path ("gcm-viewer")) != NULL)
-+  if (cd_profile_get_filename (profile) != NULL)
-     gtk_widget_set_sensitive (prefs->toolbutton_profile_view, TRUE);
-   else
-     gtk_widget_set_sensitive (prefs->toolbutton_profile_view, FALSE);
 diff --git a/panels/datetime/tz.h b/panels/datetime/tz.h
 index b6b7ab9d0..31f268e91 100644
 --- a/panels/datetime/tz.h