diff --git a/src/ZM/Event/ServerEventHandler.php b/src/ZM/Event/ServerEventHandler.php
index 1b962f2d..9df85e5b 100644
--- a/src/ZM/Event/ServerEventHandler.php
+++ b/src/ZM/Event/ServerEventHandler.php
@@ -501,6 +501,11 @@ class ServerEventHandler
                 $action = ["action" => "returnWorkerCache", "cid" => $data["cid"], "value" => $r];
                 $server->sendMessage(json_encode($action, 256), $src_worker_id);
                 break;
+            case "unsetWorkerCache":
+                $r = WorkerCache::unset($data["key"]);
+                $action = ["action" => "returnWorkerCache", "cid" => $data["cid"], "value" => $r];
+                $server->sendMessage(json_encode($action, 256), $src_worker_id);
+                break;
             case "asyncAddWorkerCache":
                 WorkerCache::add($data["key"], $data["value"], true);
                 break;
@@ -510,6 +515,9 @@ class ServerEventHandler
             case "asyncSetWorkerCache":
                 WorkerCache::set($data["key"], $data["value"], true);
                 break;
+            case "asyncUnsetWorkerCache":
+                WorkerCache::unset($data["key"], true);
+                break;
             case "addWorkerCache":
                 $r = WorkerCache::add($data["key"], $data["value"]);
                 $action = ["action" => "returnWorkerCache", "cid" => $data["cid"], "value" => $r];
diff --git a/src/ZM/Store/WorkerCache.php b/src/ZM/Store/WorkerCache.php
index e1d15cdb..4655c21a 100644
--- a/src/ZM/Store/WorkerCache.php
+++ b/src/ZM/Store/WorkerCache.php
@@ -45,6 +45,23 @@ class WorkerCache
         }
     }
 
+    public static function unset($key, $async = false) {
+        $config = self::$config ?? ZMConfig::get("global", "worker_cache");
+        if ($config["worker"] === server()->worker_id) {
+            unset(self::$store[$key]);
+            return true;
+        } else {
+            $action = ["action" => $async ? "asyncUnsetWorkerCache" : "unsetWorkerCache", "key" => $key, "cid" => zm_cid()];
+            $ss = server()->sendMessage(json_encode($action, JSON_UNESCAPED_UNICODE), $config["worker"]);
+            if(!$ss) return false;
+            if ($async) return true;
+            zm_yield();
+            $p = self::$transfer[zm_cid()] ?? null;
+            unset(self::$transfer[zm_cid()]);
+            return $p;
+        }
+    }
+
     public static function add($key, int $value, $async = false) {
         $config = self::$config ?? ZMConfig::get("global", "worker_cache");
         if ($config["worker"] === server()->worker_id) {