diff --git a/apiserver/bll/project/project_queries.py b/apiserver/bll/project/project_queries.py
index 1c7197b..d566d8d 100644
--- a/apiserver/bll/project/project_queries.py
+++ b/apiserver/bll/project/project_queries.py
@@ -10,7 +10,6 @@ from typing import (
 from redis import StrictRedis
 
 from apiserver.config_repo import config
-from apiserver.database.model.model import Model
 from apiserver.database.model.task.task import Task
 from apiserver.redis_manager import redman
 from apiserver.utilities.dicts import nested_get
@@ -240,50 +239,3 @@ class ProjectQueries:
 
         result = Task.aggregate(pipeline)
         return [r["metrics"][0] for r in result]
-
-    @classmethod
-    def get_model_metadata_keys(
-        cls,
-        company_id,
-        project_ids: Sequence[str],
-        include_subprojects: bool,
-        page: int = 0,
-        page_size: int = 500,
-    ) -> Tuple[int, int, Sequence[dict]]:
-        page = max(0, page)
-        page_size = max(1, page_size)
-        pipeline = [
-            {
-                "$match": {
-                    **cls._get_company_constraint(company_id),
-                    **cls._get_project_constraint(project_ids, include_subprojects),
-                    "metadata": {"$exists": True, "$ne": []},
-                }
-            },
-            {"$project": {"metadata": 1}},
-            {"$unwind": "$metadata"},
-            {"$group": {"_id": "$metadata.key"}},
-            {"$sort": {"_id": 1}},
-            {"$skip": page * page_size},
-            {"$limit": page_size},
-            {
-                "$group": {
-                    "_id": 1,
-                    "total": {"$sum": 1},
-                    "results": {"$push": "$$ROOT"},
-                }
-            },
-        ]
-
-        result = next(Model.aggregate(pipeline), None)
-
-        total = 0
-        remaining = 0
-        results = []
-
-        if result:
-            total = int(result.get("total", -1))
-            results = [r.get("_id") for r in result.get("results", [])]
-            remaining = max(0, total - (len(results) + page * page_size))
-
-        return total, remaining, results
diff --git a/apiserver/schema/services/auth.conf b/apiserver/schema/services/auth.conf
index e0106d2..a6c249f 100644
--- a/apiserver/schema/services/auth.conf
+++ b/apiserver/schema/services/auth.conf
@@ -226,12 +226,6 @@ create_credentials {
             }
         }
     }
-    "999.0": ${create_credentials."2.1"} {
-        request.properties.label {
-            type: string
-            description: Optional credentials label
-        }
-    }
 }
 
 get_credentials {
diff --git a/apiserver/schema/services/projects.conf b/apiserver/schema/services/projects.conf
index c8a0736..ee94454 100644
--- a/apiserver/schema/services/projects.conf
+++ b/apiserver/schema/services/projects.conf
@@ -929,55 +929,6 @@ get_hyper_parameters {
         }
     }
 }
-get_model_metadata_keys {
-    "999.0" {
-        description: """Get a list of all metadata keys used in models within the given project."""
-        request {
-            type: object
-            required: [project]
-            properties {
-                project {
-                    description: "Project ID"
-                    type: string
-                }
-                include_subprojects {
-                    description: "If set to 'true' and the project field is set then the result includes metadate keys from the subproject models"
-                    type: boolean
-                    default: true
-                }
-
-                page {
-                    description: "Page number"
-                    default: 0
-                    type: integer
-                }
-                page_size {
-                    description: "Page size"
-                    default: 500
-                    type: integer
-                }
-            }
-        }
-        response {
-            type: object
-            properties {
-                keys {
-                    description: "A list of model keys"
-                    type: array
-                    items {type: string}
-                }
-                remaining {
-                    description: "Remaining results"
-                    type: integer
-                }
-                total {
-                    description: "Total number of results"
-                    type: integer
-                }
-            }
-        }
-    }
-}
 get_task_tags {
     "2.8" {
         description: "Get user and system tags used for the tasks under the specified projects"
diff --git a/apiserver/services/projects.py b/apiserver/services/projects.py
index 098e2ab..3536f17 100644
--- a/apiserver/services/projects.py
+++ b/apiserver/services/projects.py
@@ -275,23 +275,6 @@ def get_unique_metric_variants(
     call.result.data = {"metrics": metrics}
 
 
-@endpoint("projects.get_model_metadata_keys",)
-def get_model_metadata_keys(call: APICall, company_id: str, request: GetParamsRequest):
-    total, remaining, keys = project_queries.get_model_metadata_keys(
-        company_id,
-        project_ids=[request.project] if request.project else None,
-        include_subprojects=request.include_subprojects,
-        page=request.page,
-        page_size=request.page_size,
-    )
-
-    call.result.data = {
-        "total": total,
-        "remaining": remaining,
-        "keys": keys,
-    }
-
-
 @endpoint(
     "projects.get_hyper_parameters",
     min_version="2.9",
diff --git a/apiserver/tests/automated/test_queue_model_metadata.py b/apiserver/tests/automated/test_queue_model_metadata.py
index d9a152a..22aff1b 100644
--- a/apiserver/tests/automated/test_queue_model_metadata.py
+++ b/apiserver/tests/automated/test_queue_model_metadata.py
@@ -26,23 +26,6 @@ class TestQueueAndModelMetadata(TestService):
         self.api.models.edit(model=model_id, metadata=[self.meta1[0]])
         self._assertMeta(service=service, entity=entity, _id=model_id, meta=self.meta1)
 
-    def test_project_meta_query(self):
-        self._temp_model("TestMetadata", metadata=self.meta1)
-        project = self.temp_project(name="MetaParent")
-        self._temp_model(
-            "TestMetadata2",
-            project=project,
-            metadata=[
-                {"key": "test_key", "type": "str", "value": "test_value"},
-                {"key": "test_key2", "type": "str", "value": "test_value"},
-            ],
-        )
-        res = self.api.projects.get_model_metadata_keys()
-        self.assertTrue({"test_key", "test_key2"}.issubset(set(res["keys"])))
-        res = self.api.projects.get_model_metadata_keys(include_subprojects=False)
-        self.assertTrue("test_key" in res["keys"])
-        self.assertFalse("test_key2" in res["keys"])
-
     def _test_meta_operations(
         self, service: APIClient.Service, entity: str, _id: str,
     ):
diff --git a/apiserver/updates.py b/apiserver/updates.py
index 8d2ab06..30303ed 100644
--- a/apiserver/updates.py
+++ b/apiserver/updates.py
@@ -1,4 +1,5 @@
 import os
+from datetime import timedelta, datetime
 from threading import Thread
 from time import sleep
 from typing import Optional
@@ -10,6 +11,7 @@ from semantic_version import Version
 from apiserver.config_repo import config
 from apiserver.config.info import get_version
 from apiserver.database.model.settings import Settings
+from apiserver.redis_manager import redman
 from apiserver.utilities.threads_manager import ThreadsManager
 
 log = config.logger(__name__)
@@ -17,6 +19,8 @@ log = config.logger(__name__)
 
 class CheckUpdatesThread(Thread):
     _enabled = bool(config.get("apiserver.check_for_updates.enabled", True))
+    _lock_name = "check_updates"
+    _redis = redman.connection("apiserver")
 
     @attr.s(auto_attribs=True)
     class _VersionResponse:
@@ -29,6 +33,19 @@ class CheckUpdatesThread(Thread):
             target=self._check_updates, daemon=True
         )
 
+    @property
+    def update_interval(self):
+        return timedelta(
+            seconds=max(
+                float(
+                    config.get(
+                        "apiserver.check_for_updates.check_interval_sec", 60 * 60 * 24,
+                    )
+                ),
+                60 * 5,
+            )
+        )
+
     def start(self) -> None:
         if not self._enabled:
             log.info("Checking for updates is disabled")
@@ -37,12 +54,13 @@ class CheckUpdatesThread(Thread):
 
     @property
     def component_name(self) -> str:
-        return config.get("apiserver.check_for_updates.component_name", "clearml-server")
+        return config.get(
+            "apiserver.check_for_updates.component_name", "clearml-server"
+        )
 
     def _check_new_version_available(self) -> Optional[_VersionResponse]:
         url = config.get(
-            "apiserver.check_for_updates.url",
-            "https://updates.clear.ml/updates",
+            "apiserver.check_for_updates.url", "https://updates.clear.ml/updates",
         )
 
         uid = Settings.get_by_key("server.uuid")
@@ -81,34 +99,31 @@ class CheckUpdatesThread(Thread):
         )
 
     def _check_updates(self):
-        update_interval_sec = max(
-            float(
-                config.get(
-                    "apiserver.check_for_updates.check_interval_sec",
-                    60 * 60 * 24,
-                )
-            ),
-            60 * 5,
-        )
         while not ThreadsManager.terminating:
             # noinspection PyBroadException
             try:
-                response = self._check_new_version_available()
-                if response:
-                    if response.patch_upgrade:
-                        log.info(
-                            f"{self.component_name.upper()} new package available: upgrade to v{response.version} "
-                            f"is recommended!\nRelease Notes:\n{os.linesep.join(response.description)}"
-                        )
-                    else:
-                        log.info(
-                            f"{self.component_name.upper()} new version available: upgrade to v{response.version}"
-                            f" is recommended!"
-                        )
-            except Exception:
-                log.exception("Failed obtaining updates")
+                if self._redis.set(
+                    self._lock_name,
+                    value=datetime.utcnow().isoformat(),
+                    ex=self.update_interval - timedelta(seconds=60),
+                    nx=True,
+                ):
+                    response = self._check_new_version_available()
+                    if response:
+                        if response.patch_upgrade:
+                            log.info(
+                                f"{self.component_name.upper()} new package available: upgrade to v{response.version} "
+                                f"is recommended!\nRelease Notes:\n{os.linesep.join(response.description)}"
+                            )
+                        else:
+                            log.info(
+                                f"{self.component_name.upper()} new version available: upgrade to v{response.version}"
+                                f" is recommended!"
+                            )
+            except Exception as ex:
+                log.exception("Failed obtaining updates: " + str(ex))
 
-            sleep(update_interval_sec)
+            sleep(self.update_interval.total_seconds())
 
 
 check_updates_thread = CheckUpdatesThread()