diff --git a/lib/sdk.ts b/lib/sdk.ts
index bcbb1f36..21057294 100644
--- a/lib/sdk.ts
+++ b/lib/sdk.ts
@@ -13,7 +13,6 @@ import {
   TargetingFromCache,
   TargetingClearCache,
   PrebidORTB2,
-  LmpidFromCache,
 } from "./edge/targeting";
 import { Witness } from "./edge/witness";
 import { Profile } from "./edge/profile";
@@ -67,10 +66,6 @@ class OptableSDK {
     TargetingClearCache(this.dcn);
   }
 
-  lmpidFromCache(): string | null {
-    return LmpidFromCache(this.dcn);
-  }
-
   async prebidORTB2(): Promise<PrebidORTB2> {
     return PrebidORTB2(await this.targeting());
   }