diff --git a/overlays/overrides.nix b/overlays/overrides.nix
index 4843ec4..7bb53b7 100644
--- a/overlays/overrides.nix
+++ b/overlays/overrides.nix
@@ -2,10 +2,6 @@ channels: final: prev: {
 
   __dontExport = true; # overrides clutter up actual creations
 
-  inherit (channels.stable)
-    omnisharp-roslyn
-    ;
-
   inherit (channels.latest)
     cachix
     deploy-rs
diff --git a/users/profiles/emacs.nix b/users/profiles/emacs.nix
index 92804d8..2d3224c 100644
--- a/users/profiles/emacs.nix
+++ b/users/profiles/emacs.nix
@@ -53,7 +53,7 @@
       sbcl
 
       # :lang csharp
-      mono
+      dotnetCorePackages.sdk_6_0
       omnisharp-roslyn
 
       # :lang latex