diff --git a/homeassistant/components/mobile_app/http_api.py b/homeassistant/components/mobile_app/http_api.py
index 20fa25ec21f..ea8c56d1a7c 100644
--- a/homeassistant/components/mobile_app/http_api.py
+++ b/homeassistant/components/mobile_app/http_api.py
@@ -4,10 +4,8 @@ from __future__ import annotations
 from contextlib import suppress
 from http import HTTPStatus
 import secrets
-from typing import cast
 
 from aiohttp.web import Request, Response
-import emoji
 from nacl.secret import SecretBox
 import voluptuous as vol
 
@@ -82,18 +80,8 @@ class RegistrationsView(HomeAssistantView):
 
         data[CONF_USER_ID] = request["hass_user"].id
 
-        if slugify(data[ATTR_DEVICE_NAME], separator=""):
-            # if slug is not empty and would not only be underscores
-            # use DEVICE_NAME
-            pass
-        elif emoji.emoji_count(data[ATTR_DEVICE_NAME]):
-            # If otherwise empty string contains emoji
-            # use descriptive name of the first emoji
-            data[ATTR_DEVICE_NAME] = emoji.demojize(
-                cast(str, emoji.emoji_lis(data[ATTR_DEVICE_NAME])[0]["emoji"])
-            ).replace(":", "")
-        else:
-            # Fallback to DEVICE_ID
+        # Fallback to DEVICE_ID if slug is empty.
+        if not slugify(data[ATTR_DEVICE_NAME], separator=""):
             data[ATTR_DEVICE_NAME] = data[ATTR_DEVICE_ID]
 
         await hass.async_create_task(
diff --git a/homeassistant/components/mobile_app/manifest.json b/homeassistant/components/mobile_app/manifest.json
index 4723a2a6fb9..6cb4e964c9b 100644
--- a/homeassistant/components/mobile_app/manifest.json
+++ b/homeassistant/components/mobile_app/manifest.json
@@ -3,11 +3,11 @@
   "name": "Mobile App",
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/mobile_app",
-  "requirements": ["PyNaCl==1.4.0", "emoji==1.6.3"],
+  "requirements": ["PyNaCl==1.4.0"],
   "dependencies": ["http", "webhook", "person", "tag", "websocket_api"],
   "after_dependencies": ["cloud", "camera", "notify"],
   "codeowners": ["@home-assistant/core"],
   "quality_scale": "internal",
   "iot_class": "local_push",
-  "loggers": ["emoji", "nacl"]
+  "loggers": ["nacl"]
 }
diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index 472202859e2..366d26ac0a7 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -13,7 +13,6 @@ bcrypt==3.1.7
 certifi>=2021.5.30
 ciso8601==2.2.0
 cryptography==35.0.0
-emoji==1.6.3
 hass-nabucasa==0.53.1
 home-assistant-frontend==20220222.0
 httpx==0.21.3
diff --git a/requirements_all.txt b/requirements_all.txt
index 42ef52313ae..c6fa19cea2d 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -608,9 +608,6 @@ elkm1-lib==1.2.0
 # homeassistant.components.elmax
 elmax_api==0.0.2
 
-# homeassistant.components.mobile_app
-emoji==1.6.3
-
 # homeassistant.components.emulated_roku
 emulated_roku==0.2.1
 
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 17ca84b70fb..b4225458e8c 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -400,9 +400,6 @@ elkm1-lib==1.2.0
 # homeassistant.components.elmax
 elmax_api==0.0.2
 
-# homeassistant.components.mobile_app
-emoji==1.6.3
-
 # homeassistant.components.emulated_roku
 emulated_roku==0.2.1