diff --git a/mcontainer/cli.py b/mcontainer/cli.py
index 4e706a2..e796e9a 100644
--- a/mcontainer/cli.py
+++ b/mcontainer/cli.py
@@ -85,9 +85,6 @@ def list_sessions() -> None:
     table.add_column("Driver")
     table.add_column("Status")
     table.add_column("Ports")
-    table.add_column("Project")
-    table.add_column("Project Name")
-    table.add_column("MCPs")
 
     for session in sessions:
         ports_str = ", ".join(
@@ -110,18 +107,12 @@ def list_sessions() -> None:
             else str(session.status)
         )
 
-        # Format MCPs as a comma-separated list
-        mcps_str = ", ".join(session.mcps) if session.mcps else ""
-
         table.add_row(
             session.id,
             session.name,
             session.driver,
             f"[{status_color}]{status_name}[/{status_color}]",
             ports_str,
-            session.project or "",
-            session.project_name or "",
-            mcps_str,
         )
 
     console.print(table)
diff --git a/mcontainer/container.py b/mcontainer/container.py
index f5c9611..0b90849 100644
--- a/mcontainer/container.py
+++ b/mcontainer/container.py
@@ -112,11 +112,6 @@ class ContainerManager:
                     driver=labels.get("mc.driver", "unknown"),
                     status=status,
                     container_id=container_id,
-                    created_at=container.attrs["Created"],
-                    project=labels.get("mc.project"),
-                    project_name=labels.get("mc.project_name"),
-                    model=labels.get("mc.model"),
-                    provider=labels.get("mc.provider"),
                 )
 
                 # Get port mappings
@@ -621,18 +616,7 @@ class ContainerManager:
                 driver=driver_name,
                 status=SessionStatus.RUNNING,
                 container_id=container.id,
-                environment=env_vars,
-                project=project,
-                project_name=project_name,
-                created_at=container.attrs["Created"],
                 ports=ports,
-                mcps=mcp_names,
-                run_command=run_command,
-                uid=uid,
-                gid=gid,
-                model=model,
-                provider=provider,
-                ssh=ssh,
             )
 
             # Save session to the session manager
diff --git a/mcontainer/models.py b/mcontainer/models.py
index 0d4e0e6..1636289 100644
--- a/mcontainer/models.py
+++ b/mcontainer/models.py
@@ -100,18 +100,7 @@ class Session(BaseModel):
     driver: str
     status: SessionStatus
     container_id: Optional[str] = None
-    environment: Dict[str, str] = Field(default_factory=dict)
-    project: Optional[str] = None
-    project_name: Optional[str] = None
-    created_at: str
     ports: Dict[int, int] = Field(default_factory=dict)
-    mcps: List[str] = Field(default_factory=list)
-    run_command: Optional[str] = None
-    uid: Optional[int] = None
-    gid: Optional[int] = None
-    model: Optional[str] = None
-    provider: Optional[str] = None
-    ssh: bool = False
 
 
 class Config(BaseModel):
diff --git a/tests/conftest.py b/tests/conftest.py
index 64247ca..7d96ccf 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -88,16 +88,12 @@ def mock_session_manager():
 @pytest.fixture
 def mock_container_manager():
     """Mock the ContainerManager class with proper initialization."""
-    timestamp = "2023-01-01T00:00:00Z"  # Use fixed timestamp for reproducibility
     mock_session = Session(
         id="test-session-id",
         name="test-session",
         driver="goose",
         status=SessionStatus.RUNNING,
         ports={"8080": "8080"},
-        project=None,
-        created_at=timestamp,
-        mcps=[],
     )
 
     with patch("mcontainer.cli.container_manager") as mock_manager: