diff --git a/server-rs/crates/api-server/src/tripo3d/artifacts.rs b/server-rs/crates/api-server/src/tripo3d/artifacts.rs
index 52533d359..db37e9e0e 100644
--- a/server-rs/crates/api-server/src/tripo3d/artifacts.rs
+++ b/server-rs/crates/api-server/src/tripo3d/artifacts.rs
@@ -5,7 +5,7 @@
 //! 把流转交 OSS，不再把几十 MB 的模型完整读进 api-server 内存。
 
 use axum::http::StatusCode;
-use platform_tripo::{TripoDownloadedArtifact, TripoError};
+use platform_tripo::TripoDownloadedArtifact;
 use serde_json::json;
 
 use crate::http_error::AppError;
@@ -57,8 +57,3 @@ fn artifact_too_large(actual_bytes: u64) -> AppError {
         "maxBytes": MODEL3D_MAX_ARTIFACT_BYTES,
     }))
 }
-
-/// provider 错误在 artifacts 层与其它层使用同一份映射，避免两处口径分叉。
-pub(crate) fn map_artifact_error(error: TripoError) -> AppError {
-    map_provider_error(error)
-}
diff --git a/server-rs/crates/api-server/src/tripo3d/job.rs b/server-rs/crates/api-server/src/tripo3d/job.rs
index 058de8e92..f26b9a830 100644
--- a/server-rs/crates/api-server/src/tripo3d/job.rs
+++ b/server-rs/crates/api-server/src/tripo3d/job.rs
@@ -8,20 +8,9 @@ use shared_contracts::model3d::common::Model3dGenerationTarget;
 use shared_contracts::model3d::image_to_model::Model3dImageToModelRequest;
 use shared_contracts::model3d::text_to_model::Model3dTextToModelRequest;
 
-use super::pricing::Model3dEndpoint;
-
 pub(crate) const MODEL3D_TEXT_TO_MODEL_JOB_KIND: &str = "model3d_text_to_model";
 pub(crate) const MODEL3D_IMAGE_TO_MODEL_JOB_KIND: &str = "model3d_image_to_model";
 
-/// Tripo submit 无法幂等重放：任何 attempt 失败都必须终态收口，所以固定单次尝试。
-///
-/// 崩溃后租约到期也按 attempt 耗尽结算为失败并冲正扣费，不存在“重新 claim 再 submit 一次”
-/// 的窗口；checkpoint 只用于对账与防御性地拒绝二次 submit。
-pub(crate) const MODEL3D_JOB_MAX_ATTEMPTS: u32 = 1;
-
-/// 复用编辑器生成队列的 source module：现有 worker claim 只接受这一来源，本能力不自造队列。
-pub(crate) const MODEL3D_JOB_SOURCE_MODULE: &str = "editor-canvas";
-
 /// checkpoint 的 provider 标识；不含 provider task id，只说明 checkpoint 来自哪个 provider。
 pub(crate) const MODEL3D_PROVIDER_KIND: &str = "tripo";
 
@@ -47,13 +36,6 @@ impl Model3dJobKind {
             .find(|kind| kind.as_str() == job_kind.trim())
     }
 
-    pub(crate) const fn endpoint(self) -> Model3dEndpoint {
-        match self {
-            Self::TextToModel => Model3dEndpoint::TextToModel,
-            Self::ImageToModel => Model3dEndpoint::ImageToModel,
-        }
-    }
-
     /// 任务列表里对用户可见的阶段名；provider 与实际模型档位不出现在这里。
     pub(crate) const fn request_label(self) -> &'static str {
         match self {
@@ -63,10 +45,6 @@ impl Model3dJobKind {
     }
 }
 
-pub(crate) fn is_model3d_job_kind(job_kind: &str) -> bool {
-    Model3dJobKind::from_job_kind(job_kind).is_some()
-}
-
 /// 队列里保存的请求：就是 API 请求本身，不含任何平台执行中间态。
 ///
 /// provider task id 属于 checkpoint 字段，不写入请求 payload，因此不参与请求指纹。
@@ -106,33 +84,10 @@ impl Model3dJobRequest {
             Self::ImageToModel(request) => request.generation.model.as_str(),
         }
     }
-
-    /// 任务审计用的来源实体：项目落点用项目 ID，素材库落点用目录 ID。
-    pub(crate) fn source_entity_id(&self) -> String {
-        match self {
-            Self::TextToModel(request) => target_source_entity_id(&request.target),
-            Self::ImageToModel(request) => target_source_entity_id(&request.target),
-        }
-    }
 }
 
 const MODEL3D_IMAGE_TO_MODEL_AUDIT_PROMPT: &str = "图生 3D 模型";
 
-fn target_source_entity_id(
-    target: &shared_contracts::model3d::common::Model3dGenerationTarget,
-) -> String {
-    match target {
-        shared_contracts::model3d::common::Model3dGenerationTarget::ProjectResource {
-            project_id,
-            ..
-        } => project_id.trim().to_string(),
-        shared_contracts::model3d::common::Model3dGenerationTarget::AssetLibrary {
-            folder_id,
-            ..
-        } => folder_id.trim().to_string(),
-    }
-}
-
 /// 从队列 payload 还原请求。
 ///
 /// 队列 payload 比 API 请求多一个幂等指纹字段，且请求类型是 `deny_unknown_fields`；
@@ -197,7 +152,6 @@ mod tests {
             parse_model3d_job_request(MODEL3D_TEXT_TO_MODEL_JOB_KIND, &payload).expect("应可解析");
 
         assert_eq!(request.job_kind(), Model3dJobKind::TextToModel);
-        assert_eq!(request.source_entity_id(), "project-1");
     }
 
     #[test]
diff --git a/server-rs/crates/api-server/src/tripo3d/queue.rs b/server-rs/crates/api-server/src/tripo3d/queue.rs
index 29426d0f8..36269cbee 100644
--- a/server-rs/crates/api-server/src/tripo3d/queue.rs
+++ b/server-rs/crates/api-server/src/tripo3d/queue.rs
@@ -17,7 +17,7 @@ use crate::{
     state::AppState,
 };
 
-use super::job::{MODEL3D_JOB_SOURCE_MODULE, Model3dJobKind};
+use super::job::Model3dJobKind;
 
 /// 3D 生成自己的幂等命名空间，避免与图片 / 视频生成共用 dedupe key。
 const MODEL3D_GENERATION_DEDUPE_PREFIX: &str = "model3d-generation";
@@ -80,9 +80,6 @@ where
     .await
 }
 
-/// 队列来源模块必须是既有编辑器生成队列；worker claim 只认这一来源。
-pub(crate) const MODEL3D_QUEUE_SOURCE_MODULE: &str = MODEL3D_JOB_SOURCE_MODULE;
-
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -94,9 +91,4 @@ mod tests {
             "/api/runtime/external-generation/jobs/task-1"
         );
     }
-
-    #[test]
-    fn queue_source_module_stays_on_editor_generation_queue() {
-        assert_eq!(MODEL3D_QUEUE_SOURCE_MODULE, "editor-canvas");
-    }
 }