diff --git a/CHANGES-3.3 b/CHANGES-3.3
index 0cc89c4b4..9debfc8d8 100644
--- a/CHANGES-3.3
+++ b/CHANGES-3.3
@@ -46,6 +46,7 @@ in the *Modules* heading, below.
 ## Modules ##
  - *bootloader* now supports more options when building the kernel
    command-line. (Thanks Evan)
+ - *displaymanager* no longer supports the discontinued *kdm* display manager.
  - *grubcfg* changed the key *keepDistributor* to *keep_distributor*.
    Please update configurations.
  - *partition* requires KPMCore 21.12 (e.g. KPMCore 4.2 API, or later).
diff --git a/src/modules/displaymanager/displaymanager.conf b/src/modules/displaymanager/displaymanager.conf
index 0fd2af163..c5c0e0b78 100644
--- a/src/modules/displaymanager/displaymanager.conf
+++ b/src/modules/displaymanager/displaymanager.conf
@@ -22,7 +22,6 @@ displaymanagers:
   - gdm
   - mdm
   - lxdm
-  - kdm
   - greetd
 
 # Enable the following settings to force a desktop environment
diff --git a/src/modules/displaymanager/displaymanager.schema.yaml b/src/modules/displaymanager/displaymanager.schema.yaml
index 89d657a3b..7e4c5f54c 100644
--- a/src/modules/displaymanager/displaymanager.schema.yaml
+++ b/src/modules/displaymanager/displaymanager.schema.yaml
@@ -10,7 +10,7 @@ properties:
         type: array
         items:
             type: string
-            enum: [slim, sddm, lightdm, gdm, mdm, lxdm, kdm, greetd]
+            enum: [slim, sddm, lightdm, gdm, mdm, lxdm, greetd]
         minItems: 1  # Must be non-empty, if present at all
     defaultDesktopEnvironment:
         type: object
diff --git a/src/modules/displaymanager/main.py b/src/modules/displaymanager/main.py
index d77c0ab6c..969dc90c6 100644
--- a/src/modules/displaymanager/main.py
+++ b/src/modules/displaymanager/main.py
@@ -481,84 +481,6 @@ class DMgdm(DisplayManager):
         pass
 
 
-class DMkdm(DisplayManager):
-    name = "kdm"
-    executable = "kdm"
-
-    def set_autologin(self, username, do_autologin, default_desktop_environment):
-        # Systems with KDM as Desktop Manager
-        kdm_conf_path = os.path.join(
-            self.root_mount_point, "usr/share/config/kdm/kdmrc"
-            )
-        # Check which path is in use: SUSE does something else.
-        # Also double-check the default setting. Pick the first
-        # one that exists in the target.
-        for candidate_kdmrc in (
-            "usr/share/config/kdm/kdmrc",
-            "usr/share/kde4/config/kdm/kdmrc",
-        ):
-            p = os.path.join(self.root_mount_point, candidate_kdmrc)
-            if os.path.exists(p):
-                kdm_conf_path = p
-                break
-        text = []
-
-        if os.path.exists(kdm_conf_path):
-            with open(kdm_conf_path, 'r') as kdm_conf:
-                text = kdm_conf.readlines()
-
-            with open(kdm_conf_path, 'w') as kdm_conf:
-                for line in text:
-                    if 'AutoLoginEnable=' in line:
-                        if do_autologin:
-                            line = 'AutoLoginEnable=true\n'
-                        else:
-                            line = 'AutoLoginEnable=false\n'
-
-                    if do_autologin and 'AutoLoginUser=' in line:
-                        line = "AutoLoginUser={!s}\n".format(username)
-
-                    kdm_conf.write(line)
-        else:
-            return (
-                _("Cannot write KDM configuration file"),
-                _("KDM config file {!s} does not exist").format(kdm_conf_path)
-                )
-
-    def basic_setup(self):
-        if libcalamares.utils.target_env_call(
-                ['getent', 'group', 'kdm']
-                ) != 0:
-            libcalamares.utils.target_env_call(
-                ['groupadd', '-g', '135', 'kdm']
-                )
-
-        if libcalamares.utils.target_env_call(
-                ['getent', 'passwd', 'kdm']
-                ) != 0:
-            libcalamares.utils.target_env_call(
-                ['useradd',
-                    '-u', '135',
-                    '-g', 'kdm',
-                    '-d', '/var/lib/kdm',
-                    '-s', '/bin/false',
-                    '-r',
-                    '-M',
-                    'kdm'
-                    ]
-                )
-
-        libcalamares.utils.target_env_call(
-            ['chown', '-R', '135:135', 'var/lib/kdm']
-            )
-
-    def desktop_environment_setup(self, desktop_environment):
-        pass
-
-    def greeter_setup(self):
-        pass
-
-
 class DMlxdm(DisplayManager):
     name = "lxdm"
     executable = "lxdm"