diff --git a/aiohttp_pydantic/oas/__init__.py b/aiohttp_pydantic/oas/__init__.py
index bf4d3ad..d269f94 100644
--- a/aiohttp_pydantic/oas/__init__.py
+++ b/aiohttp_pydantic/oas/__init__.py
@@ -14,14 +14,11 @@ def setup(
     url_prefix: str = "/oas",
     enable: bool = True,
     version_spec: Optional[str] = None,
-    title_spec: Optional[str] = None,
-    raise_validation_errors: bool = False,
+    title_spec: Optional[str] = None
 ):
     if enable:
         oas_app = web.Application()
         oas_app["apps to expose"] = tuple(apps_to_expose) or (app,)
-        for a in oas_app["apps to expose"]:
-            a['raise_validation_errors'] = raise_validation_errors
         oas_app["index template"] = jinja2.Template(
             resources.read_text("aiohttp_pydantic.oas", "index.j2")
         )
diff --git a/aiohttp_pydantic/view.py b/aiohttp_pydantic/view.py
index dbf2833..3b7cd65 100644
--- a/aiohttp_pydantic/view.py
+++ b/aiohttp_pydantic/view.py
@@ -127,10 +127,7 @@ def inject_params(
                 else:
                     injector.inject(self.request, args, kwargs)
             except ValidationError as error:
-                if self.request.app['raise_validation_errors']:
-                    raise
-                else:
-                    return await self.on_validation_error(error, injector.context)
+                return await self.on_validation_error(error, injector.context)
 
         return await handler(self, *args, **kwargs)