diff --git a/backend/packages/Upgrade/src/api/controllers/ExperimentClientController.ts b/backend/packages/Upgrade/src/api/controllers/ExperimentClientController.ts
index 38bf8b4e58..7eafa03e18 100644
--- a/backend/packages/Upgrade/src/api/controllers/ExperimentClientController.ts
+++ b/backend/packages/Upgrade/src/api/controllers/ExperimentClientController.ts
@@ -653,54 +653,6 @@ export class ExperimentClientController {
     });
   }
 
-
-   /**
-   * @swagger
-   * /log/caliper:
-   *    post:
-   *       description: Post Caliper format log data
-   *       consumes:
-   *         - application/json
-   *       parameters:
-   *          - in: body
-   *            name: data
-   *            required: true
-   *            description: User Document
-   *       tags:
-   *         - Client Side SDK
-   *       produces:
-   *         - application/json
-   *       responses:
-   *          '200':
-   *            description: Log data
-   *          '500':
-   *            description: null value in column "id\" of relation \"experiment_user\" violates not-null constraint
-   */
-  @Post('log/caliper')
-  public async caliperLog(
-    @Body({ validate: { validationError: { target: false, value: false } } })
-    @Req()
-    request: AppRequest,
-    envelope: CaliperLogEnvelope
-  ): Promise<Log[]> {
-    let result = envelope.data.map(async log => {
-      // getOriginalUserDoc call for alias
-      const experimentUserDoc = await this.getUserDoc(log.object.assignee.id, request.logger);
-      if (experimentUserDoc) {
-        // append userDoc in logger
-        request.logger.child({ userDoc: experimentUserDoc });
-        request.logger.info({ message: 'Got the original user doc' });
-      }
-      return this.experimentAssignmentService.caliperDataLog(log, {
-        logger: request.logger,
-        userDoc: experimentUserDoc,
-      });
-    });
-
-    const logsToReturn = await Promise.all(result);
-    return flatten(logsToReturn);
-  }
-
   /**
    * @swagger
    * /log/caliper:
diff --git a/backend/packages/Upgrade/src/api/controllers/ExperimentClientController.v1.ts b/backend/packages/Upgrade/src/api/controllers/ExperimentClientController.v1.ts
index cb5af4eaa7..1b90d8ec90 100644
--- a/backend/packages/Upgrade/src/api/controllers/ExperimentClientController.v1.ts
+++ b/backend/packages/Upgrade/src/api/controllers/ExperimentClientController.v1.ts
@@ -612,53 +612,6 @@ export class ExperimentClientController {
     });
   }
 
-   /**
-   * @swagger
-   * /log/caliper:
-   *    post:
-   *       description: Post Caliper format log data
-   *       consumes:
-   *         - application/json
-   *       parameters:
-   *          - in: body
-   *            name: data
-   *            required: true
-   *            description: User Document
-   *       tags:
-   *         - Client Side SDK
-   *       produces:
-   *         - application/json
-   *       responses:
-   *          '200':
-   *            description: Log data
-   *          '500':
-   *            description: null value in column "id\" of relation \"experiment_user\" violates not-null constraint
-   */
-  @Post('log/caliper')
-  public async caliperLog(
-    @Body({ validate: { validationError: { target: false, value: false } } })
-    @Req()
-    request: AppRequest,
-    envelope: CaliperLogEnvelope
-  ): Promise<Log[]> {
-    let result = envelope.data.map(async log => {
-      // getOriginalUserDoc call for alias
-      const experimentUserDoc = await this.getUserDoc(log.object.assignee.id, request.logger);
-      if (experimentUserDoc) {
-        // append userDoc in logger
-        request.logger.child({ userDoc: experimentUserDoc });
-        request.logger.info({ message: 'Got the original user doc' });
-      }
-      return this.experimentAssignmentService.caliperDataLog(log, {
-        logger: request.logger,
-        userDoc: experimentUserDoc,
-      });
-    });
-
-    const logsToReturn = await Promise.all(result);
-    return flatten(logsToReturn);
-  }
-
   /**
    * @swagger
    * /log/caliper: