diff --git a/pkgs/by-name/bi/bisoncpp/package.nix b/pkgs/by-name/bi/bisoncpp/package.nix
index 6e9cb76f0570..877db23d7680 100644
--- a/pkgs/by-name/bi/bisoncpp/package.nix
+++ b/pkgs/by-name/bi/bisoncpp/package.nix
@@ -13,7 +13,6 @@ stdenv.mkDerivation rec {
   version = "6.04.00";
 
   src = fetchFromGitLab {
-    domain = "gitlab.com";
     owner = "fbb-git";
     repo = "bisoncpp";
     rev = "6.04.00";
diff --git a/pkgs/by-name/bo/bobcat/package.nix b/pkgs/by-name/bo/bobcat/package.nix
index 85f3d094b8fe..0c0c6d68b6d5 100644
--- a/pkgs/by-name/bo/bobcat/package.nix
+++ b/pkgs/by-name/bo/bobcat/package.nix
@@ -16,7 +16,6 @@ stdenv.mkDerivation (finalAttrs: {
   version = "5.11.01";
 
   src = fetchFromGitLab {
-    domain = "gitlab.com";
     owner = "fbb-git";
     repo = "bobcat";
     tag = finalAttrs.version;
diff --git a/pkgs/by-name/ca/callaudiod/package.nix b/pkgs/by-name/ca/callaudiod/package.nix
index a3de6449d519..46ba0c3c7e11 100644
--- a/pkgs/by-name/ca/callaudiod/package.nix
+++ b/pkgs/by-name/ca/callaudiod/package.nix
@@ -15,7 +15,6 @@ stdenv.mkDerivation (finalAttrs: {
   version = "0.1.10";
 
   src = fetchFromGitLab {
-    domain = "gitlab.com";
     owner = "mobian1";
     repo = "callaudiod";
     tag = finalAttrs.version;
diff --git a/pkgs/by-name/fl/flare-signal/package.nix b/pkgs/by-name/fl/flare-signal/package.nix
index e7237fb2869e..e29a4df1d9d1 100644
--- a/pkgs/by-name/fl/flare-signal/package.nix
+++ b/pkgs/by-name/fl/flare-signal/package.nix
@@ -26,7 +26,6 @@ stdenv.mkDerivation (finalAttrs: {
   version = "0.18.3";
 
   src = fetchFromGitLab {
-    domain = "gitlab.com";
     owner = "schmiddi-on-mobile";
     repo = "flare";
     tag = finalAttrs.version;
diff --git a/pkgs/by-name/fr/frotz/package.nix b/pkgs/by-name/fr/frotz/package.nix
index 20f823d9c128..845cc7f48790 100644
--- a/pkgs/by-name/fr/frotz/package.nix
+++ b/pkgs/by-name/fr/frotz/package.nix
@@ -32,7 +32,6 @@ stdenv.mkDerivation (finalAttrs: {
   version = "2.55";
 
   src = fetchFromGitLab {
-    domain = "gitlab.com";
     owner = "DavidGriffith";
     repo = "frotz";
     tag = finalAttrs.version;
diff --git a/pkgs/by-name/ju/jumpnbump/package.nix b/pkgs/by-name/ju/jumpnbump/package.nix
index ff09b9cf43cb..8414b9e23115 100644
--- a/pkgs/by-name/ju/jumpnbump/package.nix
+++ b/pkgs/by-name/ju/jumpnbump/package.nix
@@ -25,7 +25,6 @@ stdenv.mkDerivation {
 
   # By targeting the development version, we can omit the patches Arch uses
   src = fetchFromGitLab {
-    domain = "gitlab.com";
     owner = "LibreGames";
     repo = "jumpnbump";
     rev = "5744738211ca691444f779aafee3537fb3562516";
diff --git a/pkgs/by-name/ne/networkd-dispatcher/package.nix b/pkgs/by-name/ne/networkd-dispatcher/package.nix
index 93aa216f6f91..c7a8df5b73c3 100644
--- a/pkgs/by-name/ne/networkd-dispatcher/package.nix
+++ b/pkgs/by-name/ne/networkd-dispatcher/package.nix
@@ -16,7 +16,6 @@ stdenv.mkDerivation (finalAttrs: {
   version = "2.2.4";
 
   src = fetchFromGitLab {
-    domain = "gitlab.com";
     owner = "craftyguy";
     repo = "networkd-dispatcher";
     rev = finalAttrs.version;
diff --git a/pkgs/by-name/pa/pagsuite/package.nix b/pkgs/by-name/pa/pagsuite/package.nix
index 2324ce545136..cd16e1b7e0d5 100644
--- a/pkgs/by-name/pa/pagsuite/package.nix
+++ b/pkgs/by-name/pa/pagsuite/package.nix
@@ -12,7 +12,6 @@ stdenv.mkDerivation {
   version = "1.80-unstable-2025-05-03";
 
   src = fetchFromGitLab {
-    domain = "gitlab.com";
     owner = "kumm";
     repo = "pagsuite";
     rev = "1cc657765658cb2eb622d4a9c656ab9854150e7d";
diff --git a/pkgs/by-name/pr/process-cpp/package.nix b/pkgs/by-name/pr/process-cpp/package.nix
index 0c9b7fe00237..15c2c99e85ef 100644
--- a/pkgs/by-name/pr/process-cpp/package.nix
+++ b/pkgs/by-name/pr/process-cpp/package.nix
@@ -21,7 +21,6 @@ stdenv.mkDerivation (finalAttrs: {
   version = "3.0.3";
 
   src = fetchFromGitLab {
-    domain = "gitlab.com";
     owner = "ubports";
     repo = "development/core/lib-cpp/process-cpp";
     rev = finalAttrs.version;
diff --git a/pkgs/by-name/qw/qwertone/package.nix b/pkgs/by-name/qw/qwertone/package.nix
index 4d29d9f48283..fb284467c872 100644
--- a/pkgs/by-name/qw/qwertone/package.nix
+++ b/pkgs/by-name/qw/qwertone/package.nix
@@ -14,7 +14,6 @@ rustPlatform.buildRustPackage (finalAttrs: {
   version = "0.5.0";
 
   src = fetchFromGitLab {
-    domain = "gitlab.com";
     owner = "azymohliad";
     repo = "qwertone";
     tag = "v${finalAttrs.version}";
diff --git a/pkgs/by-name/so/sord/package.nix b/pkgs/by-name/so/sord/package.nix
index 75f9e48de010..8a66b2a19c23 100644
--- a/pkgs/by-name/so/sord/package.nix
+++ b/pkgs/by-name/so/sord/package.nix
@@ -17,7 +17,6 @@ stdenv.mkDerivation (finalAttrs: {
   version = "0.16.20";
 
   src = fetchFromGitLab {
-    domain = "gitlab.com";
     owner = "drobilla";
     repo = "sord";
     tag = "v${finalAttrs.version}";
diff --git a/pkgs/tools/security/gnupg/24.nix b/pkgs/tools/security/gnupg/24.nix
index ce2e7553deac..14746d1f01a0 100644
--- a/pkgs/tools/security/gnupg/24.nix
+++ b/pkgs/tools/security/gnupg/24.nix
@@ -84,7 +84,6 @@ stdenv.mkDerivation rec {
   # compatibility with OpenPGP.
   #
   freepgPatches = fetchFromGitLab {
-    domain = "gitlab.com";
     owner = "freepg";
     repo = "gnupg";
     rev = "361c223eb00ca372fbf9506f5150ddbec193936f";