diff --git a/dbt_common/artifacts/schemas/catalog/v1/catalog.py b/dbt_common/artifacts/schemas/catalog/v1/catalog.py
index 1362b1ac..bc738796 100644
--- a/dbt_common/artifacts/schemas/catalog/v1/catalog.py
+++ b/dbt_common/artifacts/schemas/catalog/v1/catalog.py
@@ -1,24 +1,14 @@
-from dataclasses import dataclass, field
-from datetime import datetime
-from typing import Any, Dict, List, NamedTuple, Optional, Union
+from dataclasses import dataclass
+from typing import Dict, Optional, Union
 
-from dbt_common.artifacts.schemas.base import BaseArtifactMetadata, schema_version, ArtifactMixin
 from dbt_common.dataclass_schema import dbtClassMixin
-from dbt_common.utils.formatting import lowercase
-
-Primitive = Union[bool, str, float, None]
-PrimitiveDict = Dict[str, Primitive]
-
-CatalogKey = NamedTuple(
-    "CatalogKey", [("database", Optional[str]), ("schema", str), ("name", str)]
-)
 
 
 @dataclass
 class StatsItem(dbtClassMixin):
     id: str
     label: str
-    value: Primitive
+    value: Union[bool, str, float, None]
     include: bool
     description: Optional[str] = None
 
@@ -26,17 +16,6 @@ class StatsItem(dbtClassMixin):
 StatsDict = Dict[str, StatsItem]
 
 
-@dataclass
-class ColumnMetadata(dbtClassMixin):
-    type: str
-    index: int
-    name: str
-    comment: Optional[str] = None
-
-
-ColumnMap = Dict[str, ColumnMetadata]
-
-
 @dataclass
 class TableMetadata(dbtClassMixin):
     type: str
@@ -45,64 +24,3 @@ class TableMetadata(dbtClassMixin):
     database: Optional[str] = None
     comment: Optional[str] = None
     owner: Optional[str] = None
-
-
-@dataclass
-class CatalogTable(dbtClassMixin):
-    metadata: TableMetadata
-    columns: ColumnMap
-    stats: StatsDict
-    # the same table with two unique IDs will just be listed two times
-    unique_id: Optional[str] = None
-
-    def key(self) -> CatalogKey:
-        return CatalogKey(
-            lowercase(self.metadata.database),
-            self.metadata.schema.lower(),
-            self.metadata.name.lower(),
-        )
-
-
-@dataclass
-class CatalogMetadata(BaseArtifactMetadata):
-    dbt_schema_version: str = field(
-        default_factory=lambda: str(CatalogArtifact.dbt_schema_version)
-    )
-
-
-@dataclass
-class CatalogResults(dbtClassMixin):
-    nodes: Dict[str, CatalogTable]
-    sources: Dict[str, CatalogTable]
-    errors: Optional[List[str]] = None
-    _compile_results: Optional[Any] = None
-
-    def __post_serialize__(self, dct: Dict, context: Optional[Dict] = None):
-        dct = super().__post_serialize__(dct, context)
-        if "_compile_results" in dct:
-            del dct["_compile_results"]
-        return dct
-
-
-@dataclass
-@schema_version("catalog", 1)
-class CatalogArtifact(CatalogResults, ArtifactMixin):
-    metadata: CatalogMetadata
-
-    @classmethod
-    def from_results(
-        cls,
-        generated_at: datetime,
-        nodes: Dict[str, CatalogTable],
-        sources: Dict[str, CatalogTable],
-        compile_results: Optional[Any],
-        errors: Optional[List[str]],
-    ) -> "CatalogArtifact":
-        meta = CatalogMetadata(generated_at=generated_at)
-        return cls(
-            metadata=meta,
-            nodes=nodes,
-            sources=sources,
-            errors=errors,
-            _compile_results=compile_results,
-        )