diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index ca469f56f0e2..abcff0fb5ade 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -7119,13 +7119,6 @@
     githubId = 13485450;
     name = "Emmanuel Rosa";
   };
-  emneo = {
-    name = "emneo";
-    email = "emneo@kreog.com";
-    github = "emneo-dev";
-    githubId = 44233177;
-    keys = [ { fingerprint = "5FD0 400D 0E78 EAF9 8431  4880 8EBF C4B9 24C6 2D20"; } ];
-  };
   emptyflask = {
     email = "jon@emptyflask.dev";
     github = "emptyflask";
diff --git a/pkgs/by-name/co/concord/package.nix b/pkgs/by-name/co/concord/package.nix
index 5f65b6a0258b..b2e1659f5c9b 100644
--- a/pkgs/by-name/co/concord/package.nix
+++ b/pkgs/by-name/co/concord/package.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation (finalAttrs: {
     homepage = "https://cogmasters.github.io/concord/";
     changelog = "https://github.com/Cogmasters/concord/releases/tag/v${finalAttrs.version}";
     license = lib.licenses.mit;
-    maintainers = with lib.maintainers; [ emneo ];
+    maintainers = with lib.maintainers; [ sigmanificient ];
     platforms = lib.platforms.unix;
   };
 })