diff --git a/src/traits/ZodSchemaObject.ts b/src/traits/ZodSchemaObject.ts
index e866fdf..10fc6ad 100644
--- a/src/traits/ZodSchemaObject.ts
+++ b/src/traits/ZodSchemaObject.ts
@@ -13,18 +13,15 @@ type CreateArgs<Input extends object> = (
 
 export const ZodSchemaObject = <
     SchemaT                            extends z.ZodRawShape,
-    SchemaUnknownKeys                  extends z.UnknownKeysParam,
     SchemaCatchall                     extends z.ZodTypeAny,
-
     SchemaWithDefaultValuesT           extends z.ZodRawShape,
-    SchemaWithDefaultValuesUnknownKeys extends z.UnknownKeysParam,
     SchemaWithDefaultValuesCatchall    extends z.ZodTypeAny,
 
     Values                             extends object,
     PartialValues                      extends Partial<Values>,
 >(
-    schema:                   z.ZodObject<SchemaT, SchemaUnknownKeys, SchemaCatchall, Values, Values>,
-    schemaWithDefaultValues:  z.ZodObject<SchemaWithDefaultValuesT, SchemaWithDefaultValuesUnknownKeys, SchemaWithDefaultValuesCatchall, Values, PartialValues>,
+    schema:                   z.ZodObject<SchemaT, "strip", SchemaCatchall, Values, Values>,
+    schemaWithDefaultValues:  z.ZodObject<SchemaWithDefaultValuesT, "strip", SchemaWithDefaultValuesCatchall, Values, PartialValues>,
 ) => trait
     .implement(Super => class ZodSchemaObject extends Super {
         static readonly schema                  = schema
@@ -95,11 +92,8 @@ export const ZodSchemaObject = <
 
 export type ZodSchemaObjectTrait<
     SchemaT                            extends z.ZodRawShape,
-    SchemaUnknownKeys                  extends z.UnknownKeysParam,
     SchemaCatchall                     extends z.ZodTypeAny,
-
     SchemaWithDefaultValuesT           extends z.ZodRawShape,
-    SchemaWithDefaultValuesUnknownKeys extends z.UnknownKeysParam,
     SchemaWithDefaultValuesCatchall    extends z.ZodTypeAny,
 
     Values                             extends object,
@@ -108,11 +102,8 @@ export type ZodSchemaObjectTrait<
     ReturnType<
         typeof ZodSchemaObject<
             SchemaT,
-            SchemaUnknownKeys,
             SchemaCatchall,
-
             SchemaWithDefaultValuesT,
-            SchemaWithDefaultValuesUnknownKeys,
             SchemaWithDefaultValuesCatchall,
 
             Values,