diff --git a/pkgs/development/compilers/dmd/default.nix b/pkgs/development/compilers/dmd/default.nix
index b15e1a9aa309..cde35320022c 100644
--- a/pkgs/development/compilers/dmd/default.nix
+++ b/pkgs/development/compilers/dmd/default.nix
@@ -112,8 +112,6 @@ stdenv.mkDerivation rec {
     cd ..
   '';
 
-  dontStrip = true;
-
   installPhase = ''
       cd dmd
       mkdir $out
diff --git a/pkgs/development/libraries/gtkd/default.nix b/pkgs/development/libraries/gtkd/default.nix
index d1ba18739e93..b69e99e0fb8a 100644
--- a/pkgs/development/libraries/gtkd/default.nix
+++ b/pkgs/development/libraries/gtkd/default.nix
@@ -84,10 +84,6 @@ stdenv.mkDerivation rec {
 
   installFlags = "prefix=$(out)";
 
-  # Workaround for https://github.com/NixOS/nixpkgs/issues/40397
-  # Remove after update to binutils 2.31
-  dontStrip = true;
-
   inherit atk cairo gdk_pixbuf librsvg pango;
   inherit (gnome3) glib gtk3 gtksourceview libgda libpeas;
   inherit (gst_all_1) gstreamer;