diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 250a4438ae66..4bf7c4fcc0fa 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -19091,12 +19091,6 @@
     name = "Oops418";
     githubId = 93655215;
   };
-  oosquare = {
-    name = "Justin Chen";
-    email = "oosquare@outlook.com";
-    github = "oosquare";
-    githubId = 42143810;
-  };
   opeik = {
     email = "sandro@stikic.com";
     github = "opeik";
diff --git a/pkgs/by-name/bi/biliup-rs/package.nix b/pkgs/by-name/bi/biliup-rs/package.nix
index f761c1d3f2d1..4e99a97e6aee 100644
--- a/pkgs/by-name/bi/biliup-rs/package.nix
+++ b/pkgs/by-name/bi/biliup-rs/package.nix
@@ -33,7 +33,7 @@ rustPlatform.buildRustPackage rec {
     description = "CLI tool for uploading videos to Bilibili";
     homepage = "https://biliup.github.io/biliup-rs";
     license = lib.licenses.mit;
-    maintainers = with lib.maintainers; [ oosquare ];
+    maintainers = with lib.maintainers; [ ];
     mainProgram = "biliup";
     platforms = lib.platforms.all;
   };
diff --git a/pkgs/by-name/fc/fcitx5-fluent/package.nix b/pkgs/by-name/fc/fcitx5-fluent/package.nix
index 10d3cd7f11ca..e5972050f1c6 100644
--- a/pkgs/by-name/fc/fcitx5-fluent/package.nix
+++ b/pkgs/by-name/fc/fcitx5-fluent/package.nix
@@ -33,6 +33,6 @@ stdenvNoCC.mkDerivation {
     homepage = "https://github.com/Reverier-Xu/Fluent-fcitx5";
     license = licenses.mpl20;
     platforms = platforms.all;
-    maintainers = with maintainers; [ oosquare ];
+    maintainers = with maintainers; [ ];
   };
 }
diff --git a/pkgs/by-name/lx/lx-music-desktop/package.nix b/pkgs/by-name/lx/lx-music-desktop/package.nix
index ae39cd70fe3d..9e006dc702bc 100644
--- a/pkgs/by-name/lx/lx-music-desktop/package.nix
+++ b/pkgs/by-name/lx/lx-music-desktop/package.nix
@@ -94,6 +94,6 @@ buildNpmPackage rec {
     platforms = electron.meta.platforms;
     sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
     mainProgram = "lx-music-desktop";
-    maintainers = with lib.maintainers; [ oosquare ];
+    maintainers = with lib.maintainers; [ ];
   };
 }
diff --git a/pkgs/by-name/ug/ugm/package.nix b/pkgs/by-name/ug/ugm/package.nix
index 21a25baca9fa..c624fc68494d 100644
--- a/pkgs/by-name/ug/ugm/package.nix
+++ b/pkgs/by-name/ug/ugm/package.nix
@@ -36,6 +36,6 @@ buildGoModule rec {
     license = licenses.mit;
     mainProgram = "ugm";
     platforms = platforms.linux;
-    maintainers = with maintainers; [ oosquare ];
+    maintainers = with maintainers; [ ];
   };
 }