diff --git a/backend/src/lib/config/env.ts b/backend/src/lib/config/env.ts
index 69a3d72ca..7662bd8be 100644
--- a/backend/src/lib/config/env.ts
+++ b/backend/src/lib/config/env.ts
@@ -1,8 +1,6 @@
 import { Logger } from "pino";
 import { z } from "zod";
 
-import { RootKeyEncryptionStrategy } from "@app/services/kms/kms-types";
-
 import { removeTrailingSlash } from "../fn";
 import { zpStr } from "../zod";
 
@@ -167,9 +165,6 @@ const envSchema = z
     WORKFLOW_SLACK_CLIENT_SECRET: zpStr(z.string().optional()),
     ENABLE_MSSQL_SECRET_ROTATION_ENCRYPT: zodStrBool.default("true"),
 
-    // KMS ENCRYPTION
-    ROOT_KEY_ENCRYPTION_STRATEGY: z.nativeEnum(RootKeyEncryptionStrategy).default(RootKeyEncryptionStrategy.Basic),
-
     // HSM
     HSM_LIB_PATH: zpStr(
       z
@@ -209,8 +204,6 @@ const envSchema = z
   .transform((data) => ({
     ...data,
 
-    // ROOT_KEY_ENCRYPTION_STRATEGY: "HSM",
-
     DB_READ_REPLICAS: data.DB_READ_REPLICAS
       ? databaseReadReplicaSchema.parse(JSON.parse(data.DB_READ_REPLICAS))
       : undefined,