diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5dfa874..d02b134 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # LoginLdap Changelog
 
+#### LoginLdap 5.1.4 - 2025-01-12
+* Added code to delete all the access if no access returned from Ldap and enable_synchronize_access_from_ldap=1
+
 #### LoginLdap 5.1.3 - 2025-07-07
 * Textual changes
 
diff --git a/LdapInterop/UserSynchronizer.php b/LdapInterop/UserSynchronizer.php
index 0b60fcf..c5ec7a0 100644
--- a/LdapInterop/UserSynchronizer.php
+++ b/LdapInterop/UserSynchronizer.php
@@ -188,37 +188,33 @@ public function synchronizeLdapUser($piwikLogin, $ldapUser)
      */
     public function synchronizePiwikAccessFromLdap($piwikLogin, $ldapUser)
     {
-        if (empty($this->userAccessMapper)) {
+        // UserSynchronizer::makeConfigured() only sets a UserAccessMapper when Config::isAccessSynchronizationEnabled()
+        // is true, so return early in this case.
+        if (empty($this->userAccessMapper) || !Config::isAccessSynchronizationEnabled()) {
             return;
         }
 
         $userAccess = $this->userAccessMapper->getPiwikUserAccessForLdapUser($ldapUser);
-        if (empty($userAccess)) {
-            $this->logger->warning("UserSynchronizer::{func}: User '{user}' has no access in LDAP, but access synchronization is enabled.", array(
-                'func' => __FUNCTION__,
-                'user' => $piwikLogin
-            ));
-
-            return;
-        }
 
         // for the synchronization, need to reset all user accesses
         $this->userModel->deleteUserAccess($piwikLogin);
         $this->userModel->setSuperUserAccess($piwikLogin, false);
 
         $usersManagerApi = $this->usersManagerApi;
-        foreach ($userAccess as $userAccessLevel => $sites) {
-            Access::doAsSuperUser(function () use ($usersManagerApi, $userAccessLevel, $sites, $piwikLogin) {
-                if ($userAccessLevel == 'superuser') {
-                    if (method_exists('Piwik\Plugins\UsersManager\UserUpdater', 'setSuperUserAccessWithoutCurrentPassword')) {
-                        $this->userUpdater->setSuperUserAccessWithoutCurrentPassword($piwikLogin, true);
+        if (!empty($userAccess)) {
+            foreach ($userAccess as $userAccessLevel => $sites) {
+                Access::doAsSuperUser(function () use ($usersManagerApi, $userAccessLevel, $sites, $piwikLogin) {
+                    if ($userAccessLevel == 'superuser') {
+                        if (method_exists('Piwik\Plugins\UsersManager\UserUpdater', 'setSuperUserAccessWithoutCurrentPassword')) {
+                            $this->userUpdater->setSuperUserAccessWithoutCurrentPassword($piwikLogin, true);
+                        } else {
+                            $usersManagerApi->setSuperUserAccess($piwikLogin, true);
+                        }
                     } else {
-                        $usersManagerApi->setSuperUserAccess($piwikLogin, true);
+                        $usersManagerApi->setUserAccess($piwikLogin, $userAccessLevel, $sites);
                     }
-                } else {
-                    $usersManagerApi->setUserAccess($piwikLogin, $userAccessLevel, $sites);
-                }
-            });
+                });
+            }
         }
     }
 
diff --git a/plugin.json b/plugin.json
index 52c819f..154590e 100644
--- a/plugin.json
+++ b/plugin.json
@@ -1,6 +1,6 @@
 {
     "name": "LoginLdap",
-    "version": "5.1.3",
+    "version": "5.1.4",
     "description": "LDAP authentication and synchronization for Matomo.",
     "theme": false,
     "keywords": ["ldap", "login", "authentication", "active", "directory", "kerberos", "sso"],
diff --git a/tests/Unit/UserSynchronizerTest.php b/tests/Unit/UserSynchronizerTest.php
index 604b458..1870a9c 100644
--- a/tests/Unit/UserSynchronizerTest.php
+++ b/tests/Unit/UserSynchronizerTest.php
@@ -41,6 +41,15 @@ class UserSynchronizerTest extends TestCase
      */
     public $superUserAccess;
 
+    /**
+     * @var array
+     */
+    public $deleteUserAccess;
+    /**
+     * @var array
+     */
+    public $deleteSuperUserAccess;
+
     public function setUp(): void
     {
         $this->userSynchronizer = new UserSynchronizer();
@@ -50,6 +59,12 @@ public function setUp(): void
 
         $this->userAccess = array();
         $this->superUserAccess = array();
+        $this->deleteUserAccess = array();
+        $this->deleteSuperUserAccess = array();
+
+        $config = Config::getInstance()->LoginLdap;
+        $config['enable_synchronize_access_from_ldap'] = 1;
+        Config::getInstance()->LoginLdap = $config;
     }
 
     public function test_makeConfigured_DoesNotThrow_WhenUserMapperCorrectlyConfigured()
@@ -137,6 +152,72 @@ public function test_synchronizePiwikAccessFromLdap_WillSetAccessCorrectly()
         ), $this->superUserAccess);
     }
 
+    public function test_synchronizePiwikAccessFromLdap_WillNotRemoveAccessWhenAccessEmptyButSyncDisabled()
+    {
+        $this->setUserManagerApiMock($throwsOnAdd = false);
+        // First iteration returns mapping
+        $this->setUserAccessMapperMock(array(
+            'superuser' => array(7,8,9),
+            'view' => array(1,2,3),
+            'admin' => array(4,5,6)
+        ));
+        $this->userSynchronizer->synchronizePiwikAccessFromLdap('piwikuser', array());
+        // Verify access mapping is present
+        $this->assertEquals(array(
+            array('piwikuser', 'view', array(1,2,3)),
+            array('piwikuser', 'admin', array(4,5,6))
+        ), $this->userAccess);
+        $this->assertEquals(array(
+            array('piwikuser', true)
+        ), $this->superUserAccess);
+
+        // Second iteration returns no mapping for the user and since enable_synchronize_access_from_ldap=0, it should do nothing
+        $config = Config::getInstance()->LoginLdap;
+        $oldValue = $config['enable_synchronize_access_from_ldap'] ?? 0;
+        $config['enable_synchronize_access_from_ldap'] = 0;
+        Config::getInstance()->LoginLdap = $config;
+        $this->setUserAccessMapperMock([]);
+        $this->userSynchronizer->synchronizePiwikAccessFromLdap('piwikuser', array());
+        $this->assertEmpty($this->deleteUserAccess);
+        $this->assertEmpty($this->deleteSuperUserAccess);
+
+        $config['enable_synchronize_access_from_ldap'] = $oldValue;
+        Config::getInstance()->LoginLdap = $config;
+    }
+
+    public function test_synchronizePiwikAccessFromLdap_WillRemoveAccessWhenAccessEmptyAndSyncEnabled()
+    {
+        $this->setUserManagerApiMock($throwsOnAdd = false);
+        // First iteration returns mapping
+        $this->setUserAccessMapperMock(array(
+            'superuser' => array(7,8,9),
+            'view' => array(1,2,3),
+            'admin' => array(4,5,6)
+        ));
+        $this->userSynchronizer->synchronizePiwikAccessFromLdap('piwikuser', array());
+        // Verify access mapping is present
+        $this->assertEquals(array(
+            array('piwikuser', 'view', array(1,2,3)),
+            array('piwikuser', 'admin', array(4,5,6))
+        ), $this->userAccess);
+        $this->assertEquals(array(
+            array('piwikuser', true)
+        ), $this->superUserAccess);
+
+        // Second iteration returns no mapping for the user and since enable_synchronize_access_from_ldap=0, it should do nothing
+        $config = Config::getInstance()->LoginLdap;
+        $oldValue = $config['enable_synchronize_access_from_ldap'] ?? 0;
+        $config['enable_synchronize_access_from_ldap'] = 1;
+        Config::getInstance()->LoginLdap = $config;
+        $this->setUserAccessMapperMock([]);
+        $this->userSynchronizer->synchronizePiwikAccessFromLdap('piwikuser', array());
+        $this->assertEquals(['piwikuser'], $this->deleteUserAccess);
+        $this->assertEquals(['piwikuser'], $this->deleteSuperUserAccess);
+
+        $config['enable_synchronize_access_from_ldap'] = $oldValue;
+        Config::getInstance()->LoginLdap = $config;
+    }
+
     public function test_synchronizePiwikAccessFromLdap_Succeeds_IfLdapUserHasNoAccess()
     {
         $this->setUserManagerApiMock($throwsOnAdd = false);
@@ -165,12 +246,22 @@ private function setUserManagerApiMock($throwsOnAddUser, $throwsOnUpdateUser = f
             $mock->expects($this->any())->method('setUserAccess')->willThrowException(new Exception("dummy message"));
         } else {
             $mock->expects($this->any())->method('setUserAccess')->willReturnCallback(function ($login, $access, $sites) use ($self) {
+                $key = array_search($login, $self->deleteUserAccess);
+                if ($key !== false) {
+                    unset($self->deleteUserAccess[$key]);
+                    $self->deleteUserAccess = array_values($self->deleteUserAccess);
+                }
                 $self->userAccess[] = array($login, $access, $sites);
             });
         }
 
         // for previous version
         $mock->expects($this->any())->method('setSuperUserAccess')->willReturnCallback(function ($login, $hasSuperUserAccess) use ($self) {
+            $key = array_search($login, $self->deleteSuperUserAccess);
+            if ($key !== false && $hasSuperUserAccess) {
+                unset($self->deleteSuperUserAccess[$key]);
+                $self->deleteSuperUserAccess = array_values($self->deleteSuperUserAccess);
+            }
             $self->superUserAccess[] = array($login, $hasSuperUserAccess);
         });
 
@@ -186,6 +277,11 @@ private function setUserManagerApiMock($throwsOnAddUser, $throwsOnUpdateUser = f
         }
 
         $mock->expects($this->any())->method('setSuperUserAccessWithoutCurrentPassword')->willReturnCallback(function ($login, $hasSuperUserAccess) use ($self) {
+            $key = array_search($login, $self->deleteSuperUserAccess);
+            if ($key !== false && $hasSuperUserAccess) {
+                unset($self->deleteSuperUserAccess[$key]);
+                $self->deleteSuperUserAccess = array_values($self->deleteSuperUserAccess);
+            }
             $self->superUserAccess[] = array($login, $hasSuperUserAccess);
         });
 
@@ -229,6 +325,15 @@ private function setUserModelMock($returnValue)
                      ->onlyMethods(array('getUser', 'deleteUserAccess', 'setSuperUserAccess'))
                      ->getMock();
         $mock->expects($this->any())->method('getUser')->will($this->returnValue($returnValue));
+        $self = $this;
+        $mock->expects($this->any())->method('deleteUserAccess')->willReturnCallback(function ($login) use ($self) {
+            $self->deleteUserAccess[] = $login;
+        });
+        $mock->expects($this->any())->method('setSuperUserAccess')->willReturnCallback(function ($login, $hasSuperUserAccess) use ($self) {
+            if (!$hasSuperUserAccess && !in_array($login, $self->deleteSuperUserAccess)) {
+                $self->deleteSuperUserAccess[] = $login;
+            }
+        });
 
         $this->userSynchronizer->setUserModel($mock);
     }