diff --git a/lib/entropy/client/interfaces/repository.py b/lib/entropy/client/interfaces/repository.py
index d0484d4a0..79de9ffa7 100644
--- a/lib/entropy/client/interfaces/repository.py
+++ b/lib/entropy/client/interfaces/repository.py
@@ -110,7 +110,7 @@ class Repository:
 
         return br_rc
 
-    def _run_sync(self, _unlocked = False):
+    def _run_sync(self):
 
         self.updated = False
         for repo in self.repo_ids:
@@ -149,7 +149,7 @@ class Repository:
         if self.updated:
             self._entropy.clear_cache()
             if self.fetch_security:
-                self._update_security_advisories(_unlocked = _unlocked)
+                self._update_security_advisories()
 
             # do treeupdates
             if isinstance(self._entropy.installed_repository(),
@@ -293,14 +293,10 @@ class Repository:
             return True
         return False
 
-    def _update_security_advisories(self, _unlocked = False):
-        # update Security Advisories
+    def _update_security_advisories(self):
         try:
             security_intf = self._entropy.Security()
-            if _unlocked:
-                security_intf.unlocked_sync(do_cache = False)
-            else:
-                security_intf.sync(do_cache = False)
+            security_intf.sync(do_cache = False)
         except Exception as e:
             entropy.tools.print_traceback(f = self._entropy.logger)
             mytxt = "%s: %s" % (red(_("Advisories fetch error")), e,)
@@ -328,7 +324,7 @@ class Repository:
             header = darkred(" @@ ")
         )
 
-        rc = self._run_sync(_unlocked=True)
+        rc = self._run_sync()
         if rc:
             return rc
 
diff --git a/lib/entropy/security.py b/lib/entropy/security.py
index 1378f5cb5..127b7896a 100644
--- a/lib/entropy/security.py
+++ b/lib/entropy/security.py
@@ -31,7 +31,6 @@ from entropy.output import blue, bold, red, darkgreen, darkred, purple, brown
 from entropy.cache import EntropyCacher
 from entropy.core.settings.base import SystemSettings
 from entropy.fetchers import UrlFetcher
-from entropy.locks import EntropyResourcesLock
 
 import entropy.tools
 
@@ -851,10 +850,9 @@ class System(object):
         """
         return os.path.isdir(self.SECURITY_DIR)
 
-    def unlocked_sync(self, do_cache = True, force = False):
+    def sync(self, do_cache = True, force = False):
         """
-        This is equivalent to sync() but doesn't acquire the
-        Entropy Resources Lock.
+        This is the service method for remotely fetch advisories metadata.
 
         @keyword do_cache: generates advisories cache
         @type do_cache: bool
@@ -916,30 +914,6 @@ class System(object):
             )
         return rc_lock
 
-    def sync(self, do_cache = True, force = False):
-        """
-        This is the service method for remotely fetch advisories metadata.
-
-        @keyword do_cache: generates advisories cache
-        @type do_cache: bool
-        @return: execution status (0 means all file)
-        @rtype: int
-        """
-        lock = EntropyResourcesLock(output = self._entropy)
-        gave_up = lock.wait_resources()
-        if gave_up:
-            return 7
-
-        # acquired
-        try:
-            rc_lock = self.unlocked_sync(do_cache = do_cache,
-                               force = force)
-            if rc_lock != 0:
-                return rc_lock
-        finally:
-            lock.unlock_resources()
-        return 0
-
     def _setup_paths(self):
         """
         Setup Entropy Security directory and file paths.