diff --git a/nixos/modules/security/pam.nix b/nixos/modules/security/pam.nix
index 240020c19374..c6e0bee172e8 100644
--- a/nixos/modules/security/pam.nix
+++ b/nixos/modules/security/pam.nix
@@ -1422,7 +1422,6 @@ let
                 modulePath = config.security.pam.pam_unixModulePath;
                 settings = {
                   nullok = true;
-                  yescrypt = lib.mkIf config.security.pam.enableLegacySettings true;
                 };
               }
               {
diff --git a/nixos/modules/services/display-managers/gdm.nix b/nixos/modules/services/display-managers/gdm.nix
index c6d5c9337e10..1b3705a2787a 100644
--- a/nixos/modules/services/display-managers/gdm.nix
+++ b/nixos/modules/services/display-managers/gdm.nix
@@ -577,7 +577,6 @@ in
               control = "requisite";
               modulePath = "${config.security.pam.package}/lib/security/pam_unix.so";
               settings.nullok = true;
-              settings.yescrypt = true;
             }
           ];
 
diff --git a/nixos/modules/services/x11/display-managers/lightdm.nix b/nixos/modules/services/x11/display-managers/lightdm.nix
index 699a9a9a07f3..e1384e560e30 100644
--- a/nixos/modules/services/x11/display-managers/lightdm.nix
+++ b/nixos/modules/services/x11/display-managers/lightdm.nix
@@ -456,7 +456,6 @@ in
             control = "requisite";
             modulePath = "${config.security.pam.package}/lib/security/pam_unix.so";
             settings.nullok = true;
-            settings.yescrypt = true;
           }
         ];
 
diff --git a/nixos/tests/login-nosuid.nix b/nixos/tests/login-nosuid.nix
index 1f00c37d0886..69d11803387f 100644
--- a/nixos/tests/login-nosuid.nix
+++ b/nixos/tests/login-nosuid.nix
@@ -49,6 +49,7 @@
     with subtest("create user"):
         machine.succeed("useradd -m alice")
         machine.succeed("(echo foobar; echo foobar) | passwd alice")
+        machine.succeed("grep -F 'alice:$y$' /etc/shadow")
 
     with subtest("Check whether switching VTs works"):
         machine.fail("pgrep -f 'agetty.*tty2'")
diff --git a/nixos/tests/login.nix b/nixos/tests/login.nix
index bd0d3b7bc005..0eb0f8bf6ee3 100644
--- a/nixos/tests/login.nix
+++ b/nixos/tests/login.nix
@@ -28,6 +28,7 @@
     with subtest("create user"):
         machine.succeed("useradd -m alice")
         machine.succeed("(echo foobar; echo foobar) | passwd alice")
+        machine.succeed("grep -F 'alice:$y$' /etc/shadow")
 
     with subtest("Check whether switching VTs works"):
         machine.fail("pgrep -f 'agetty.*tty2'")