diff --git a/api/core/virtual_environment/__base/virtual_environment.py b/api/core/virtual_environment/__base/virtual_environment.py
index 439b0aa085..f006e296d6 100644
--- a/api/core/virtual_environment/__base/virtual_environment.py
+++ b/api/core/virtual_environment/__base/virtual_environment.py
@@ -18,10 +18,10 @@ class VirtualEnvironment(ABC):
         """
 
         self.options = options
-        self.metadata = self.construct_environment(options, environments or {})
+        self.metadata = self._construct_environment(options, environments or {})
 
     @abstractmethod
-    def construct_environment(self, options: Mapping[str, Any], environments: Mapping[str, str]) -> Metadata:
+    def _construct_environment(self, options: Mapping[str, Any], environments: Mapping[str, str]) -> Metadata:
         """
         Construct the unique identifier for the virtual environment.
 
diff --git a/api/core/virtual_environment/providers/docker_daemon_sandbox.py b/api/core/virtual_environment/providers/docker_daemon_sandbox.py
index bb9b626756..3e52c9feee 100644
--- a/api/core/virtual_environment/providers/docker_daemon_sandbox.py
+++ b/api/core/virtual_environment/providers/docker_daemon_sandbox.py
@@ -77,7 +77,7 @@ class DockerDaemonEnvironment(VirtualEnvironment):
         DOCKER_IMAGE = "docker_image"
         DOCKER_COMMAND = "docker_command"
 
-    def construct_environment(self, options: Mapping[str, Any], environments: Mapping[str, str]) -> Metadata:
+    def _construct_environment(self, options: Mapping[str, Any], environments: Mapping[str, str]) -> Metadata:
         """
         Construct the Docker daemon virtual environment.
         """
diff --git a/api/core/virtual_environment/providers/e2b_sandbox.py b/api/core/virtual_environment/providers/e2b_sandbox.py
index 86fa58fb68..3d777fb7be 100644
--- a/api/core/virtual_environment/providers/e2b_sandbox.py
+++ b/api/core/virtual_environment/providers/e2b_sandbox.py
@@ -85,7 +85,7 @@ class E2BEnvironment(VirtualEnvironment):
     class StoreKey(StrEnum):
         SANDBOX = "sandbox"
 
-    def construct_environment(self, options: Mapping[str, Any], environments: Mapping[str, str]) -> Metadata:
+    def _construct_environment(self, options: Mapping[str, Any], environments: Mapping[str, str]) -> Metadata:
         """
         Construct a new E2B virtual environment.
         """
diff --git a/api/core/virtual_environment/providers/local_without_isolation.py b/api/core/virtual_environment/providers/local_without_isolation.py
index c8641e64c7..29ec8c0569 100644
--- a/api/core/virtual_environment/providers/local_without_isolation.py
+++ b/api/core/virtual_environment/providers/local_without_isolation.py
@@ -65,7 +65,7 @@ class LocalVirtualEnvironment(VirtualEnvironment):
     NEVER USE IT IN PRODUCTION ENVIRONMENTS.
     """
 
-    def construct_environment(self, options: Mapping[str, Any], environments: Mapping[str, str]) -> Metadata:
+    def _construct_environment(self, options: Mapping[str, Any], environments: Mapping[str, str]) -> Metadata:
         """
         Construct the local virtual environment.
 
diff --git a/api/core/virtual_environment/session/__init__.py b/api/core/virtual_environment/session/__init__.py
deleted file mode 100644
index a4c24ce169..0000000000
--- a/api/core/virtual_environment/session/__init__.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from .sandbox_session import SandboxProvider, SandboxSession, SandboxSessionManager
-
-__all__ = ["SandboxProvider", "SandboxSession", "SandboxSessionManager"]
diff --git a/api/core/virtual_environment/session/sandbox_session.py b/api/core/virtual_environment/session/sandbox_session.py
deleted file mode 100644
index d2bf64d7eb..0000000000
--- a/api/core/virtual_environment/session/sandbox_session.py
+++ /dev/null
@@ -1,47 +0,0 @@
-from enum import StrEnum
-from typing import Any
-
-from pydantic import Field
-
-from core.session import BaseSession, SessionManager
-from core.virtual_environment.__base.entities import Arch
-
-
-class SandboxProvider(StrEnum):
-    E2B = "e2b"
-    DOCKER = "docker"
-    LOCAL = "local"
-
-
-class SandboxSession(BaseSession):
-    provider: SandboxProvider
-    sandbox_id: str
-    arch: Arch
-    connection_config: dict[str, Any] = Field(default_factory=dict)
-
-
-class SandboxSessionManager(SessionManager[SandboxSession]):
-    def __init__(self, ttl: int | None = None):
-        super().__init__(key_prefix="sandbox_session", session_class=SandboxSession, ttl=ttl)
-
-    def create(
-        self,
-        tenant_id: str,
-        user_id: str,
-        provider: SandboxProvider,
-        sandbox_id: str,
-        arch: Arch,
-        connection_config: dict[str, Any] | None = None,
-        context: dict[str, Any] | None = None,
-    ) -> SandboxSession:
-        session = SandboxSession(
-            tenant_id=tenant_id,
-            user_id=user_id,
-            provider=provider,
-            sandbox_id=sandbox_id,
-            arch=arch,
-            connection_config=connection_config or {},
-            context=context or {},
-        )
-        self.save(session)
-        return session