diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index ed54c4ee3bfe..f60b20dd8527 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -167,6 +167,8 @@
 
 # Browsers
 /pkgs/applications/networking/browsers/firefox @mweinelt
+/pkgs/applications/networking/browsers/chromium @emilylange
+/nixos/tests/chromium.nix @emilylange
 
 # Certificate Authorities
 pkgs/data/misc/cacert/ @ajs124 @lukegb @mweinelt
diff --git a/pkgs/applications/networking/browsers/chromium/README.md b/pkgs/applications/networking/browsers/chromium/README.md
index c5a537147c48..c543ded56452 100644
--- a/pkgs/applications/networking/browsers/chromium/README.md
+++ b/pkgs/applications/networking/browsers/chromium/README.md
@@ -1,26 +1,18 @@
 # Maintainers
 
 - Note: We could always use more contributors, testers, etc. E.g.:
-  - A dedicated maintainer for the NixOS stable channel
+  - Dedicated maintainers for the NixOS stable channel
   - PRs with cleanups, improvements, fixes, etc. (but please try to make reviews
     as easy as possible)
   - People who handle stale issues/PRs
-- Primary maintainer (responsible for all updates): @primeos
-- Testers (test all stable channel updates)
-  - `nixos-unstable`:
-    - `x86_64`: @danielfullmer
-    - `aarch64`: @thefloweringash
-  - Stable channel:
-    - `x86_64`: @Frostman
+
 - Other relevant packages:
-  - `chromiumBeta` and `chromiumDev`: For testing purposes only (not build on
-    Hydra). We use these channels for testing and to fix build errors in advance
-    so that `chromium` updates are trivial and can be merged fast.
-  - `google-chrome`, `google-chrome-beta`, `google-chrome-dev`: Updated via
-    Chromium's `upstream-info.nix`
-  - `ungoogled-chromium`: @squalus
+  - `google-chrome`: Updated via Chromium's `upstream-info.nix`.
+  - `ungoogled-chromium`: A patch set for Chromium, that has its own entry in Chromium's `upstream-info.nix`.
   - `chromedriver`: Updated via Chromium's `upstream-info.nix` and not built
-    from source.
+    from source. Must match Chromium's major version.
+  - `electron-source`: Various version of electron that are built from source using Chromium's
+    `-unwrapped` derivation, due to electron being based on Chromium.
 
 # Upstream links
 
diff --git a/pkgs/applications/networking/browsers/chromium/browser.nix b/pkgs/applications/networking/browsers/chromium/browser.nix
index 909b506457e5..24811cc336b6 100644
--- a/pkgs/applications/networking/browsers/chromium/browser.nix
+++ b/pkgs/applications/networking/browsers/chromium/browser.nix
@@ -85,8 +85,8 @@ mkChromiumDerivation (base: rec {
       then "https://github.com/ungoogled-software/ungoogled-chromium"
       else "https://www.chromium.org/";
     maintainers = with lib.maintainers; if ungoogled
-      then [ squalus primeos michaeladler networkexception emilylange ]
-      else [ primeos thefloweringash networkexception emilylange ];
+      then [ networkexception emilylange ]
+      else [ networkexception emilylange ];
     license = if enableWideVine then lib.licenses.unfree else lib.licenses.bsd3;
     platforms = lib.platforms.linux;
     mainProgram = "chromium";