diff --git a/posthog/hogql_queries/legacy_compatibility/clean_properties.py b/posthog/hogql_queries/legacy_compatibility/clean_properties.py
index 06f1f67cc1e2f..27e400d8c99e3 100644
--- a/posthog/hogql_queries/legacy_compatibility/clean_properties.py
+++ b/posthog/hogql_queries/legacy_compatibility/clean_properties.py
@@ -1,6 +1,3 @@
-from posthog.schema import PropertyGroupFilter
-
-
 def clean_global_properties(properties: dict | list[dict] | None):
     if properties is None or len(properties) == 0:
         # empty properties
@@ -12,14 +9,14 @@ def clean_global_properties(properties: dict | list[dict] | None):
             "type": "AND",
             "values": [{"type": "AND", "values": properties}],
         }
-        return PropertyGroupFilter(**clean_property_group_filter(properties))
+        return clean_property_group_filter(properties)
     elif isinstance(properties, list):
         # list of property filters
         properties = {
             "type": "AND",
             "values": [{"type": "AND", "values": properties}],
         }
-        return PropertyGroupFilter(**clean_property_group_filter(properties))
+        return clean_property_group_filter(properties)
     elif (
         isinstance(properties, dict)
         and properties.get("type") in ["AND", "OR"]
@@ -30,10 +27,10 @@ def clean_global_properties(properties: dict | list[dict] | None):
             "type": "AND",
             "values": [properties],
         }
-        return PropertyGroupFilter(**clean_property_group_filter(properties))
+        return clean_property_group_filter(properties)
     else:
         # property group filter
-        return PropertyGroupFilter(**clean_property_group_filter(properties))
+        return clean_property_group_filter(properties)
 
 
 def clean_entity_properties(properties: list[dict] | dict | None):
diff --git a/posthog/hogql_queries/legacy_compatibility/test/test_clean_properties.py b/posthog/hogql_queries/legacy_compatibility/test/test_clean_properties.py
index 8585d4372bb83..e3e5fd91acd7b 100644
--- a/posthog/hogql_queries/legacy_compatibility/test/test_clean_properties.py
+++ b/posthog/hogql_queries/legacy_compatibility/test/test_clean_properties.py
@@ -1,12 +1,4 @@
 from posthog.hogql_queries.legacy_compatibility.clean_properties import clean_entity_properties, clean_global_properties
-from posthog.schema import (
-    CohortPropertyFilter,
-    EventPropertyFilter,
-    FilterLogicalOperator,
-    PropertyGroupFilter,
-    PropertyGroupFilterValue,
-    PropertyOperator,
-)
 from posthog.test.base import BaseTest
 
 
@@ -25,17 +17,15 @@ def test_handles_old_style_properties(self):
 
         self.assertEqual(
             result,
-            PropertyGroupFilter(
-                type=FilterLogicalOperator.AND,
-                values=[
-                    PropertyGroupFilterValue(
-                        type=FilterLogicalOperator.AND,
-                        values=[
-                            EventPropertyFilter(key="utm_medium", value="email", operator=PropertyOperator.icontains)
-                        ],
-                    )
+            {
+                "type": "AND",
+                "values": [
+                    {
+                        "type": "AND",
+                        "values": [{"key": "utm_medium", "operator": "icontains", "type": "event", "value": "email"}],
+                    }
                 ],
-            ),
+            },
         )
 
     def test_handles_property_filter_lists(self):
@@ -45,15 +35,15 @@ def test_handles_property_filter_lists(self):
 
         self.assertEqual(
             result,
-            PropertyGroupFilter(
-                type=FilterLogicalOperator.AND,
-                values=[
-                    PropertyGroupFilterValue(
-                        type=FilterLogicalOperator.AND,
-                        values=[CohortPropertyFilter(key="id", value=636)],
-                    )
+            {
+                "type": "AND",
+                "values": [
+                    {
+                        "type": "AND",
+                        "values": [{"key": "id", "type": "cohort", "value": 636}],
+                    }
                 ],
-            ),
+            },
         )
 
     def test_handles_property_group_filters(self):
@@ -66,15 +56,15 @@ def test_handles_property_group_filters(self):
 
         self.assertEqual(
             result,
-            PropertyGroupFilter(
-                type=FilterLogicalOperator.AND,
-                values=[
-                    PropertyGroupFilterValue(
-                        type=FilterLogicalOperator.AND,
-                        values=[CohortPropertyFilter(key="id", value=850)],
-                    )
+            {
+                "type": "AND",
+                "values": [
+                    {
+                        "type": "AND",
+                        "values": [{"key": "id", "type": "cohort", "value": 850}],
+                    }
                 ],
-            ),
+            },
         )
 
     def test_handles_property_group_filters_values(self):
@@ -87,15 +77,15 @@ def test_handles_property_group_filters_values(self):
 
         self.assertEqual(
             result,
-            PropertyGroupFilter(
-                type=FilterLogicalOperator.AND,
-                values=[
-                    PropertyGroupFilterValue(
-                        type=FilterLogicalOperator.AND,
-                        values=[CohortPropertyFilter(key="id", value=850)],
-                    )
+            {
+                "type": "AND",
+                "values": [
+                    {
+                        "type": "AND",
+                        "values": [{"key": "id", "type": "cohort", "value": 850}],
+                    }
                 ],
-            ),
+            },
         )
 
 
diff --git a/posthog/hogql_queries/legacy_compatibility/test/test_filter_to_query.py b/posthog/hogql_queries/legacy_compatibility/test/test_filter_to_query.py
index 9421ac41be854..9abc0f3506b8c 100644
--- a/posthog/hogql_queries/legacy_compatibility/test/test_filter_to_query.py
+++ b/posthog/hogql_queries/legacy_compatibility/test/test_filter_to_query.py
@@ -1167,7 +1167,7 @@ def test_series_properties(self):
         self.assertEqual(
             query.series,
             [
-                EventsNode(event="$pageview", name="$pageview", properties=[]),
+                EventsNode(event="$pageview", name="$pageview", properties=None),
                 EventsNode(
                     event="$pageview",
                     name="$pageview",