diff --git a/homeassistant/components/plex/const.py b/homeassistant/components/plex/const.py
index d5d70219471..b43a1eca135 100644
--- a/homeassistant/components/plex/const.py
+++ b/homeassistant/components/plex/const.py
@@ -56,7 +56,6 @@ AUTOMATIC_SETUP_STRING = "Obtain a new token from plex.tv"
 MANUAL_SETUP_STRING = "Configure Plex server manually"
 
 SERVICE_REFRESH_LIBRARY = "refresh_library"
-SERVICE_SCAN_CLIENTS = "scan_for_clients"
 
 PLEX_URI_SCHEME = "plex://"
 
diff --git a/homeassistant/components/plex/icons.json b/homeassistant/components/plex/icons.json
index 2d3a7342ad2..21a48fd274e 100644
--- a/homeassistant/components/plex/icons.json
+++ b/homeassistant/components/plex/icons.json
@@ -9,9 +9,6 @@
   "services": {
     "refresh_library": {
       "service": "mdi:refresh"
-    },
-    "scan_for_clients": {
-      "service": "mdi:database-refresh"
     }
   }
 }
diff --git a/homeassistant/components/plex/services.py b/homeassistant/components/plex/services.py
index c70ddb6ed53..6412a4c3927 100644
--- a/homeassistant/components/plex/services.py
+++ b/homeassistant/components/plex/services.py
@@ -9,16 +9,8 @@ from yarl import URL
 
 from homeassistant.core import HomeAssistant, ServiceCall
 from homeassistant.exceptions import HomeAssistantError
-from homeassistant.helpers.dispatcher import async_dispatcher_send
 
-from .const import (
-    DOMAIN,
-    PLEX_UPDATE_PLATFORMS_SIGNAL,
-    PLEX_URI_SCHEME,
-    SERVERS,
-    SERVICE_REFRESH_LIBRARY,
-    SERVICE_SCAN_CLIENTS,
-)
+from .const import DOMAIN, PLEX_URI_SCHEME, SERVERS, SERVICE_REFRESH_LIBRARY
 from .errors import MediaNotFound
 from .helpers import get_plex_data
 from .models import PlexMediaSearchResult
@@ -37,24 +29,12 @@ async def async_setup_services(hass: HomeAssistant) -> None:
     async def async_refresh_library_service(service_call: ServiceCall) -> None:
         await hass.async_add_executor_job(refresh_library, hass, service_call)
 
-    async def async_scan_clients_service(_: ServiceCall) -> None:
-        _LOGGER.warning(
-            "This service is deprecated in favor of the scan_clients button entity."
-            " Service calls will still work for now but the service will be removed in"
-            " a future release"
-        )
-        for server_id in get_plex_data(hass)[SERVERS]:
-            async_dispatcher_send(hass, PLEX_UPDATE_PLATFORMS_SIGNAL.format(server_id))
-
     hass.services.async_register(
         DOMAIN,
         SERVICE_REFRESH_LIBRARY,
         async_refresh_library_service,
         schema=REFRESH_LIBRARY_SCHEMA,
     )
-    hass.services.async_register(
-        DOMAIN, SERVICE_SCAN_CLIENTS, async_scan_clients_service
-    )
 
 
 def refresh_library(hass: HomeAssistant, service_call: ServiceCall) -> None:
diff --git a/homeassistant/components/plex/services.yaml b/homeassistant/components/plex/services.yaml
index 5ed655b7d78..ee4a2a234ea 100644
--- a/homeassistant/components/plex/services.yaml
+++ b/homeassistant/components/plex/services.yaml
@@ -9,5 +9,3 @@ refresh_library:
       example: "TV Shows"
       selector:
         text:
-
-scan_for_clients:
diff --git a/homeassistant/components/plex/strings.json b/homeassistant/components/plex/strings.json
index 0c8eae86f73..0eb83a64a5d 100644
--- a/homeassistant/components/plex/strings.json
+++ b/homeassistant/components/plex/strings.json
@@ -83,10 +83,6 @@
           "description": "Name of the Plex library to refresh."
         }
       }
-    },
-    "scan_for_clients": {
-      "name": "Scan for clients",
-      "description": "Scans for available clients from the Plex server(s), local network, and plex.tv."
     }
   }
 }
diff --git a/tests/components/plex/test_services.py b/tests/components/plex/test_services.py
index c84322e1c14..8a6dceb1e47 100644
--- a/tests/components/plex/test_services.py
+++ b/tests/components/plex/test_services.py
@@ -17,7 +17,6 @@ from homeassistant.components.plex.const import (
     PLEX_SERVER_CONFIG,
     PLEX_URI_SCHEME,
     SERVICE_REFRESH_LIBRARY,
-    SERVICE_SCAN_CLIENTS,
 )
 from homeassistant.components.plex.services import process_plex_payload
 from homeassistant.const import CONF_URL
@@ -107,15 +106,6 @@ async def test_refresh_library(
     assert refresh.call_count == 1
 
 
-async def test_scan_clients(hass: HomeAssistant, mock_plex_server) -> None:
-    """Test scan_for_clients service call."""
-    await hass.services.async_call(
-        DOMAIN,
-        SERVICE_SCAN_CLIENTS,
-        blocking=True,
-    )
-
-
 async def test_lookup_media_for_other_integrations(
     hass: HomeAssistant,
     entry,