diff --git a/pkgs/by-name/gp/gpredict/package.nix b/pkgs/by-name/gp/gpredict/package.nix
index c44036ffd038..bf2811325998 100644
--- a/pkgs/by-name/gp/gpredict/package.nix
+++ b/pkgs/by-name/gp/gpredict/package.nix
@@ -76,7 +76,6 @@ stdenv.mkDerivation (finalAttrs: {
     platforms = lib.platforms.linux;
     homepage = "http://gpredict.oz9aec.net/";
     maintainers = with lib.maintainers; [
-      markuskowa
       cmcdragonkai
       pandapip1
     ];
diff --git a/pkgs/by-name/qg/qgit/package.nix b/pkgs/by-name/qg/qgit/package.nix
index e01cf9c46780..9cb602fe6834 100644
--- a/pkgs/by-name/qg/qgit/package.nix
+++ b/pkgs/by-name/qg/qgit/package.nix
@@ -33,7 +33,6 @@ stdenv.mkDerivation (finalAttrs: {
     description = "Graphical front-end to Git";
     maintainers = with lib.maintainers; [
       peterhoeg
-      markuskowa
     ];
     inherit (qt6.qtbase.meta) platforms;
     mainProgram = "qgit";
diff --git a/pkgs/by-name/sn/snapper/package.nix b/pkgs/by-name/sn/snapper/package.nix
index 6ba1469b2ca1..7230dae389b1 100644
--- a/pkgs/by-name/sn/snapper/package.nix
+++ b/pkgs/by-name/sn/snapper/package.nix
@@ -99,7 +99,7 @@ stdenv.mkDerivation (finalAttrs: {
     homepage = "http://snapper.io";
     license = lib.licenses.gpl2Only;
     mainProgram = "snapper";
-    maintainers = with lib.maintainers; [ markuskowa ];
+    maintainers = [ ];
     platforms = lib.platforms.linux;
   };
 })
diff --git a/pkgs/by-name/te/texmaker/package.nix b/pkgs/by-name/te/texmaker/package.nix
index 48dcf789d60e..4df5ba4a9a23 100644
--- a/pkgs/by-name/te/texmaker/package.nix
+++ b/pkgs/by-name/te/texmaker/package.nix
@@ -55,7 +55,6 @@ stdenv.mkDerivation (finalAttrs: {
     platforms = lib.platforms.linux;
     maintainers = with lib.maintainers; [
       cfouche
-      markuskowa
     ];
     mainProgram = "texmaker";
   };