diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 8d804af54824..4ab2cf99f4fe 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -5038,12 +5038,6 @@
     github = "cigrainger";
     githubId = 3984794;
   };
-  ciil = {
-    email = "simon@lackerbauer.com";
-    github = "ciil";
-    githubId = 3956062;
-    name = "Simon Lackerbauer";
-  };
   cilki = {
     github = "cilki";
     githubId = 10459406;
diff --git a/pkgs/applications/science/logic/abella/default.nix b/pkgs/applications/science/logic/abella/default.nix
index 9e3592b44445..210211a6b948 100644
--- a/pkgs/applications/science/logic/abella/default.nix
+++ b/pkgs/applications/science/logic/abella/default.nix
@@ -54,10 +54,7 @@ stdenv.mkDerivation (finalAttrs: {
     '';
     homepage = "https://abella-prover.org";
     license = lib.licenses.gpl3;
-    maintainers = with lib.maintainers; [
-      bcdarwin
-      ciil
-    ];
+    maintainers = [ lib.maintainers.bcdarwin ];
     platforms = lib.platforms.unix;
   };
 })
diff --git a/pkgs/by-name/gn/gnushogi/package.nix b/pkgs/by-name/gn/gnushogi/package.nix
index 0f9ddb583676..a3e01f9cc128 100644
--- a/pkgs/by-name/gn/gnushogi/package.nix
+++ b/pkgs/by-name/gn/gnushogi/package.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation (finalAttrs: {
     mainProgram = "gnushogi";
     homepage = "https://www.gnu.org/software/gnushogi/";
     license = lib.licenses.gpl3;
-    maintainers = [ lib.maintainers.ciil ];
+    maintainers = [ ];
     platforms = lib.platforms.unix;
   };
 })
diff --git a/pkgs/by-name/gs/gshogi/package.nix b/pkgs/by-name/gs/gshogi/package.nix
index 797d73a663c3..81c7d0f55490 100644
--- a/pkgs/by-name/gs/gshogi/package.nix
+++ b/pkgs/by-name/gs/gshogi/package.nix
@@ -51,6 +51,6 @@ python3.pkgs.buildPythonApplication (finalAttrs: {
     mainProgram = "gshogi";
     license = lib.licenses.gpl3Plus;
     platforms = lib.platforms.linux;
-    maintainers = [ lib.maintainers.ciil ];
+    maintainers = [ ];
   };
 })
diff --git a/pkgs/by-name/lb/lbreakout2/package.nix b/pkgs/by-name/lb/lbreakout2/package.nix
index 8e219590d13d..22f4500376a9 100644
--- a/pkgs/by-name/lb/lbreakout2/package.nix
+++ b/pkgs/by-name/lb/lbreakout2/package.nix
@@ -48,9 +48,7 @@ stdenv.mkDerivation (finalAttrs: {
     description = "Breakout clone from the LGames series";
     license = with lib.licenses; [ gpl2Plus ];
     mainProgram = "lbreakout2";
-    maintainers = with lib.maintainers; [
-      ciil
-    ];
+    maintainers = [ ];
     platforms = lib.platforms.unix;
     hydraPlatforms = lib.platforms.linux; # build hangs on both Darwin platforms, needs investigation
   };
diff --git a/pkgs/by-name/rs/rstudio/package.nix b/pkgs/by-name/rs/rstudio/package.nix
index 58d2d4ebbeda..5deaf278aee4 100644
--- a/pkgs/by-name/rs/rstudio/package.nix
+++ b/pkgs/by-name/rs/rstudio/package.nix
@@ -367,10 +367,7 @@ stdenv.mkDerivation (finalAttrs: {
     description = "Set of integrated tools for the R language";
     homepage = "https://www.rstudio.com/";
     license = lib.licenses.agpl3Only;
-    maintainers = with lib.maintainers; [
-      ciil
-      tomasajt
-    ];
+    maintainers = [ lib.maintainers.tomasajt ];
     mainProgram = "rstudio" + lib.optionalString server "-server";
     # rstudio-server on darwin is only partially supported by upstream
     platforms = lib.platforms.linux ++ lib.optionals (!server) lib.platforms.darwin;