diff --git a/pkgs/development/libraries/qt-6/default.nix b/pkgs/development/libraries/qt-6/default.nix
index 0fcae043a793..96a498c5f195 100644
--- a/pkgs/development/libraries/qt-6/default.nix
+++ b/pkgs/development/libraries/qt-6/default.nix
@@ -208,9 +208,6 @@ let
             };
           } ./hooks/qmake-hook.sh)
         { };
-    } // lib.optionalAttrs config.allowAliases {
-      # Remove completely before 24.11
-      overrideScope' = builtins.throw "qt6 now uses makeScopeWithSplicing which does not have \"overrideScope'\", use \"overrideScope\".";
     };
 
   baseScope = makeScopeWithSplicing' {
diff --git a/pkgs/top-level/qt5-packages.nix b/pkgs/top-level/qt5-packages.nix
index c1ac5b0f52ee..028b1196fc96 100644
--- a/pkgs/top-level/qt5-packages.nix
+++ b/pkgs/top-level/qt5-packages.nix
@@ -68,7 +68,7 @@ makeScopeWithSplicing' {
     };
   in (lib.makeOverridable mkMaui attrs);
 
-  noExtraAttrs = set: lib.attrsets.removeAttrs set [ "extend" "override" "overrideScope" "overrideScope'" "overrideDerivation" ];
+  noExtraAttrs = set: lib.attrsets.removeAttrs set [ "extend" "override" "overrideScope" "overrideDerivation" ];
 
 in (noExtraAttrs (kdeFrameworks // plasmaMobileGear // plasma5 // plasma5.thirdParty // kdeGear // mauiPackages // qt5 // {
 
@@ -292,8 +292,5 @@ in (noExtraAttrs (kdeFrameworks // plasmaMobileGear // plasma5 // plasma5.thirdP
   xwaylandvideobridge = callPackage ../tools/wayland/xwaylandvideobridge { };
 
   yuview = callPackage ../applications/video/yuview { };
-}) // lib.optionalAttrs pkgs.config.allowAliases {
-  # Remove completely before 24.11
-  overrideScope' = builtins.throw "libsForQt5 now uses makeScopeWithSplicing which does not have \"overrideScope'\", use \"overrideScope\".";
-}));
+})));
 }
diff --git a/pkgs/top-level/qt6-packages.nix b/pkgs/top-level/qt6-packages.nix
index 6bd557864b0e..366fa799fa0e 100644
--- a/pkgs/top-level/qt6-packages.nix
+++ b/pkgs/top-level/qt6-packages.nix
@@ -25,7 +25,7 @@ makeScopeWithSplicing' {
   otherSplices = generateSplicesForMkScope "qt6Packages";
   f = (self: let
     inherit (self) callPackage;
-    noExtraAttrs = set: lib.attrsets.removeAttrs set [ "extend" "override" "overrideScope" "overrideScope'" "overrideDerivation" ];
+    noExtraAttrs = set: lib.attrsets.removeAttrs set [ "extend" "override" "overrideScope" "overrideDerivation" ];
   in (noExtraAttrs qt6) // {
   inherit stdenv;
 
@@ -117,8 +117,5 @@ makeScopeWithSplicing' {
   wayqt = callPackage ../development/libraries/wayqt { };
 
   xwaylandvideobridge = kdePackages.callPackage ../tools/wayland/xwaylandvideobridge { };
-  } // lib.optionalAttrs pkgs.config.allowAliases {
-    # Remove completely before 24.11
-    overrideScope' = builtins.throw "qt6Packages now uses makeScopeWithSplicing which does not have \"overrideScope'\", use \"overrideScope\".";
   });
 }