diff --git a/lib/licenses.nix b/lib/licenses.nix
index 53a8ef6271aa..ba0aba1959bc 100644
--- a/lib/licenses.nix
+++ b/lib/licenses.nix
@@ -985,11 +985,6 @@ in mkLicense lset) ({
     fullName = "GNU Affero General Public License v3.0";
     deprecated = true;
   };
-  fdl13 = {
-    spdxId = "GFDL-1.3";
-    fullName = "GNU Free Documentation License v1.3";
-    deprecated = true;
-  };
   gpl2 = {
     spdxId = "GPL-2.0";
     fullName = "GNU General Public License v2.0";
diff --git a/maintainers/scripts/nix-generate-from-cpan.pl b/maintainers/scripts/nix-generate-from-cpan.pl
index 4e26eeda8d34..ce0599dda0e7 100755
--- a/maintainers/scripts/nix-generate-from-cpan.pl
+++ b/maintainers/scripts/nix-generate-from-cpan.pl
@@ -66,7 +66,7 @@ Readonly::Hash my %LICENSE_MAP => (
 
     # GNU Free Documentation License, Version 1.3.
     gfdl_1_3 => {
-        licenses => [qw( fdl13 )]
+        licenses => [qw( fdl13Plus )]
     },
 
     # GNU General Public License, Version 1.
diff --git a/pkgs/development/libraries/qt-5/modules/qtbase.nix b/pkgs/development/libraries/qt-5/modules/qtbase.nix
index 2dd9edcf5d23..db1367f6fba5 100644
--- a/pkgs/development/libraries/qt-5/modules/qtbase.nix
+++ b/pkgs/development/libraries/qt-5/modules/qtbase.nix
@@ -368,7 +368,7 @@ stdenv.mkDerivation {
   meta = with lib; {
     homepage = "https://www.qt.io/";
     description = "A cross-platform application framework for C++";
-    license = with licenses; [ fdl13 gpl2 lgpl21 lgpl3 ];
+    license = with licenses; [ fdl13Plus gpl2Plus lgpl21Plus lgpl3Plus ];
     maintainers = with maintainers; [ qknight ttuegel periklis bkchr ];
     platforms = platforms.unix;
     # Qt5 is broken on aarch64-darwin
diff --git a/pkgs/development/libraries/qt-5/qtModule.nix b/pkgs/development/libraries/qt-5/qtModule.nix
index b74d5e086802..9abd9fabc957 100644
--- a/pkgs/development/libraries/qt-5/qtModule.nix
+++ b/pkgs/development/libraries/qt-5/qtModule.nix
@@ -70,7 +70,7 @@ mkDerivation (args // {
   meta = {
     homepage = "https://www.qt.io";
     description = "A cross-platform application framework for C++";
-    license = with licenses; [ fdl13 gpl2 lgpl21 lgpl3 ];
+    license = with licenses; [ fdl13Plus gpl2Plus lgpl21Plus lgpl3Plus ];
     maintainers = with maintainers; [ qknight ttuegel periklis bkchr ];
     platforms = platforms.unix;
   } // (args.meta or {});
diff --git a/pkgs/development/libraries/qt-6/modules/qtbase.nix b/pkgs/development/libraries/qt-6/modules/qtbase.nix
index 8717b94545b6..436fe4633075 100644
--- a/pkgs/development/libraries/qt-6/modules/qtbase.nix
+++ b/pkgs/development/libraries/qt-6/modules/qtbase.nix
@@ -257,7 +257,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     homepage = "https://www.qt.io/";
     description = "A cross-platform application framework for C++";
-    license = with licenses; [ fdl13 gpl2 lgpl21 lgpl3 ];
+    license = with licenses; [ fdl13Plus gpl2Plus lgpl21Plus lgpl3Plus ];
     maintainers = with maintainers; [ milahu nickcao LunNova ];
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/qt-6/qtModule.nix b/pkgs/development/libraries/qt-6/qtModule.nix
index 999d69ce683a..3ef0ea191a76 100644
--- a/pkgs/development/libraries/qt-6/qtModule.nix
+++ b/pkgs/development/libraries/qt-6/qtModule.nix
@@ -81,7 +81,7 @@ stdenv.mkDerivation (args // {
   meta = with lib; {
     homepage = "https://www.qt.io/";
     description = "A cross-platform application framework for C++";
-    license = with licenses; [ fdl13 gpl2 lgpl21 lgpl3 ];
+    license = with licenses; [ fdl13Plus gpl2Plus lgpl21Plus lgpl3Plus ];
     maintainers = with maintainers; [ milahu nickcao ];
     platforms = platforms.linux;
   } // (args.meta or { });
diff --git a/pkgs/development/libraries/qt-mobility/default.nix b/pkgs/development/libraries/qt-mobility/default.nix
index 60c1d2754d70..36e1948f09ec 100644
--- a/pkgs/development/libraries/qt-mobility/default.nix
+++ b/pkgs/development/libraries/qt-mobility/default.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
     homepage = "http://qt.nokia.com/products/qt-addons/mobility";
     maintainers = [ maintainers.qknight ];
     platforms = platforms.linux;
-    license = with licenses; [ bsd3 fdl13 gpl3 lgpl21 ];
+    license = with licenses; [ bsd3 fdl13Plus gpl3Plus lgpl21Plus ];
   };
 }