diff --git a/src/agents/pi-model-discovery.ts b/src/agents/pi-model-discovery.ts
index 36004873de9..1dd36a2c805 100644
--- a/src/agents/pi-model-discovery.ts
+++ b/src/agents/pi-model-discovery.ts
@@ -189,5 +189,5 @@ function wrapModelRegistryWithProviderNormalization(registry: PiModelRegistry):
       }
       return value.bind(target);
     },
-  }) as PiModelRegistry;
+  });
 }