diff --git a/apiserver/paasng/paasng/platform/bkapp_model/serializers/serializers.py b/apiserver/paasng/paasng/platform/bkapp_model/serializers/serializers.py
index a75f48880f..d673e18204 100644
--- a/apiserver/paasng/paasng/platform/bkapp_model/serializers/serializers.py
+++ b/apiserver/paasng/paasng/platform/bkapp_model/serializers/serializers.py
@@ -25,7 +25,6 @@
 from paas_wl.bk_app.cnative.specs.constants import ScalingPolicy
 from paas_wl.bk_app.processes.serializers import MetricSpecSLZ
 from paas_wl.workloads.autoscaling.constants import DEFAULT_METRICS
-from paasng.platform.applications.models import Application
 from paasng.platform.bkapp_model.constants import PORT_PLACEHOLDER, ExposedTypeName, NetworkProtocol
 from paasng.platform.modules.constants import DeployHookType
 from paasng.utils.dictx import get_items
@@ -296,19 +295,6 @@ def to_internal_value(self, data):
             data = {"bk_app_code": data}
         return super().to_internal_value(data)
 
-    def validate(self, attrs):
-        """校验应用和模块存在，否则抛出异常"""
-        try:
-            application = Application.objects.get(code=attrs["bk_app_code"])
-        except Application.DoesNotExist:
-            raise serializers.ValidationError(_("应用{}不存在").format(attrs["bk_app_code"]))
-
-        # Check if module exists when the "module_name" is set
-        if module_name := attrs["module_name"]:  # noqa: SIM102
-            if not application.modules.filter(name=module_name).exists():
-                raise serializers.ValidationError(_("模块{}不存在").format(module_name))
-        return attrs
-
 
 BkSaaSList: TypeAlias = List[Dict[str, Optional[str]]]