diff --git a/pkgs/development/libraries/qt-6/default.nix b/pkgs/development/libraries/qt-6/default.nix
index 6629f618a2e6..4a211e5cb915 100644
--- a/pkgs/development/libraries/qt-6/default.nix
+++ b/pkgs/development/libraries/qt-6/default.nix
@@ -178,12 +178,12 @@ let
   # simple example of how to do that in 5568a4d25ca406809530420996d57e0876ca1a01
   baseScope = lib.makeScope newScope addPackages;
 
-  bootstrapScope = baseScope.overrideScope'(final: prev: {
+  bootstrapScope = baseScope.overrideScope(final: prev: {
     qtbase = prev.qtbase.override { qttranslations = null; };
     qtdeclarative = null;
   });
 
-  finalScope = baseScope.overrideScope'(final: prev: {
+  finalScope = baseScope.overrideScope(final: prev: {
     qttranslations = bootstrapScope.qttranslations;
   });
 in finalScope
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 95c2ea7b4185..ff9aa962be7b 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -832,7 +832,7 @@ let
       };
 
       ppx_bap = callPackage ../development/ocaml-modules/ppx_bap { };
-    })).overrideScope' liftJaneStreet;
+    })).overrideScope liftJaneStreet;
 
     janeStreet_0_9_0 = import ../development/ocaml-modules/janestreet/old.nix {
       self = self.janeStreet_0_9_0;
@@ -1967,7 +1967,7 @@ in let inherit (pkgs) callPackage; in rec
   # *and* non-JS OCaml libraries can pull in the same version of JS transitive
   # dependencies. Remove this once ligo and stanc can be compiled against
   # janestreet 0.16 libraries.
-  ocamlPackages_4_14_janeStreet_0_15 = ocamlPackages_4_14.overrideScope' (self: super: super // super.janeStreet_0_15);
+  ocamlPackages_4_14_janeStreet_0_15 = ocamlPackages_4_14.overrideScope (self: super: super // super.janeStreet_0_15);
 
   # We still have packages that rely on unsafe-string, which is deprecated in OCaml 4.06.0.
   # Below are aliases for porting them to the latest versions of the OCaml 4 series.