diff --git a/administrator/components/com_admin/script.php b/administrator/components/com_admin/script.php
index 045d2017ee086..ecf0ee73e746c 100644
--- a/administrator/components/com_admin/script.php
+++ b/administrator/components/com_admin/script.php
@@ -2990,7 +2990,7 @@ private function migrateTinymceConfiguration(): bool
     /**
      * setup Guided Tours Unique Identifiers
      *
-     * @return  boolean  True on success
+     * @return  void
      *
      * @since   5.0.0
      */
diff --git a/administrator/components/com_categories/src/Model/CategoryModel.php b/administrator/components/com_categories/src/Model/CategoryModel.php
index 6e586b745332e..a4e854f59e993 100644
--- a/administrator/components/com_categories/src/Model/CategoryModel.php
+++ b/administrator/components/com_categories/src/Model/CategoryModel.php
@@ -752,6 +752,8 @@ public function publish(&$pks, $value = 1)
 
             return true;
         }
+
+        return false;
     }
 
     /**
diff --git a/administrator/components/com_languages/src/Model/OverridesModel.php b/administrator/components/com_languages/src/Model/OverridesModel.php
index c05d9e5b511ce..ad9b1492fb771 100644
--- a/administrator/components/com_languages/src/Model/OverridesModel.php
+++ b/administrator/components/com_languages/src/Model/OverridesModel.php
@@ -233,7 +233,7 @@ public function delete($cids)
     /**
      * Removes all of the cached strings from the table.
      *
-     * @return  boolean  result of operation
+     * @return  void|\RuntimeException
      *
      * @since   3.4.2
      */
diff --git a/administrator/components/com_menus/src/Controller/MenuController.php b/administrator/components/com_menus/src/Controller/MenuController.php
index 0bc88f5be1329..0b9f99a79ece6 100644
--- a/administrator/components/com_menus/src/Controller/MenuController.php
+++ b/administrator/components/com_menus/src/Controller/MenuController.php
@@ -180,6 +180,8 @@ public function save($key = null, $urlVar = null)
                 $this->setRedirect(Route::_('index.php?option=com_menus&view=menus', false));
                 break;
         }
+
+        return true;
     }
 
     /**
diff --git a/administrator/components/com_modules/src/Controller/ModuleController.php b/administrator/components/com_modules/src/Controller/ModuleController.php
index ac3fbc7d544ec..172d2dad9aa3e 100644
--- a/administrator/components/com_modules/src/Controller/ModuleController.php
+++ b/administrator/components/com_modules/src/Controller/ModuleController.php
@@ -258,7 +258,7 @@ public function save($key = null, $urlVar = null)
     /**
      * Method to get the other modules in the same position
      *
-     * @return  string  The data for the Ajax request.
+     * @return  void
      *
      * @since   3.6.3
      */
@@ -303,7 +303,7 @@ public function orderPosition()
         } catch (\RuntimeException $e) {
             $app->enqueueMessage($e->getMessage(), 'error');
 
-            return '';
+            return;
         }
 
         $orders2 = [];