diff --git a/pkgs/darwin-uninstaller/configuration.nix b/pkgs/darwin-uninstaller/configuration.nix
index 6712034d..991c1ad2 100644
--- a/pkgs/darwin-uninstaller/configuration.nix
+++ b/pkgs/darwin-uninstaller/configuration.nix
@@ -17,6 +17,10 @@ with lib;
     if test -L ~/Applications; then
         rm ~/Applications
     fi
+
+    if test -L ~/.nix-defexpr/channels/darwin; then
+        nix-channel --remove darwin
+    fi
   '';
 
   system.activationScripts.postActivation.text = mkAfter ''