diff --git a/api/apps/api/src/modules/projects/project-cost-surface.controller.ts b/api/apps/api/src/modules/projects/project-cost-surface.controller.ts
index ea3f687d11..ec0a5c5501 100644
--- a/api/apps/api/src/modules/projects/project-cost-surface.controller.ts
+++ b/api/apps/api/src/modules/projects/project-cost-surface.controller.ts
@@ -50,7 +50,6 @@ import {
 import { ensureShapefileHasRequiredFiles } from '@marxan-api/utils/file-uploads.utils';
 import { UpdateCostSurfaceDto } from '@marxan-api/modules/cost-surface/dto/update-cost-surface.dto';
 import { CostSurfaceSerializer } from '@marxan-api/modules/cost-surface/dto/cost-surface.serializer';
-import { JSONAPICostSurface } from '@marxan-api/modules/cost-surface/cost-surface.api.entity';
 import { TilesOpenApi } from '@marxan/tiles';
 import { Response } from 'express';
 import { ProxyService } from '@marxan-api/modules/proxy/proxy.service';