diff --git a/packages/sdk/src/subscribe/subscription-manager.test.ts b/packages/sdk/src/subscribe/subscription-manager.test.ts
deleted file mode 100644
index 9c31e341c..000000000
--- a/packages/sdk/src/subscribe/subscription-manager.test.ts
+++ /dev/null
@@ -1 +0,0 @@
-describe("SubscriptionManager", () => {})
diff --git a/packages/sdk/src/subscribe/subscription-manager.ts b/packages/sdk/src/subscribe/subscription-manager.ts
deleted file mode 100644
index 736d605eb..000000000
--- a/packages/sdk/src/subscribe/subscription-manager.ts
+++ /dev/null
@@ -1,70 +0,0 @@
-//subscriptionmanager
-
-enum SubscriptionTopic {
-  EVENTS = "events",
-  BLOCKS = "blocks",
-}
-
-type SubscriptionTypes = {
-  [SubscriptionTopic.EVENTS]: {
-    args: {
-      startBlock: number
-      endBlock: number
-    }
-    response: {
-      type: string
-      data: any
-    }
-  }
-  [SubscriptionTopic.BLOCKS]: {
-    args: {
-      startBlock: number
-      endBlock: number
-    }
-    response: {
-      type: string
-      data: any
-    }
-  }
-}
-
-type Subscription = {
-  unsubscribe: () => void
-}
-
-type SubscriptionTransport = {
-  subscribe: (topic: string, args: any, callback: (data: any) => void) => string
-  unsubscribe: (subscriptionId: string) => void
-}
-
-export class SubscriptionManager {
-  private subscriptions: Subscription[] = []
-
-  constructor(private readonly transport: SubscriptionTransport) {}
-
-  subscribe<T extends SubscriptionTopic>(
-    topic: T,
-    args: SubscriptionTypes[T]["args"],
-    callback: (data: any) => void
-  ): () => void {
-    const subscription = this.transport.subscribe(topic, args, data => {
-      const decodedData = this.decode(topic, data)
-      callback(decodedData)
-    })
-
-    return () => {
-      const index = this.subscriptions.indexOf(subscription)
-      if (index !== -1) {
-        this.subscriptions.splice(index, 1)
-        subscription.unsubscribe()
-      }
-    }
-  }
-
-  decode<T extends SubscriptionTopic>(
-    topic: T,
-    data: any
-  ): SubscriptionTypes[T]["response"] {
-    return data
-  }
-}