diff --git a/src/entities/event.js b/src/entities/event.js
deleted file mode 100644
index 558d5be..0000000
--- a/src/entities/event.js
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
-  Event entity - represents a Nostr event.
-  This is a domain model following Clean Architecture principles.
-*/
-
-class Event {
-  constructor (data) {
-    this.id = data.id
-    this.pubkey = data.pubkey
-    this.created_at = data.created_at
-    this.kind = data.kind
-    this.tags = data.tags || []
-    this.content = data.content
-    this.sig = data.sig
-  }
-
-  /**
-   * Validates the event structure
-   * @returns {boolean} True if valid
-   */
-  isValid () {
-    if (!this.id || !this.pubkey || !this.created_at || this.kind === undefined || !this.sig) {
-      return false
-    }
-
-    // Basic type checks
-    if (typeof this.id !== 'string' || this.id.length !== 64) {
-      return false
-    }
-
-    if (typeof this.pubkey !== 'string' || this.pubkey.length !== 64) {
-      return false
-    }
-
-    if (typeof this.created_at !== 'number') {
-      return false
-    }
-
-    if (typeof this.kind !== 'number' || this.kind < 0 || this.kind > 65535) {
-      return false
-    }
-
-    if (typeof this.sig !== 'string' || this.sig.length !== 128) {
-      return false
-    }
-
-    if (!Array.isArray(this.tags)) {
-      return false
-    }
-
-    return true
-  }
-
-  /**
-   * Convert to plain object
-   * @returns {Object} Plain event object
-   */
-  toJSON () {
-    return {
-      id: this.id,
-      pubkey: this.pubkey,
-      created_at: this.created_at,
-      kind: this.kind,
-      tags: this.tags,
-      content: this.content,
-      sig: this.sig
-    }
-  }
-}
-
-export default Event
diff --git a/test/unit/entities/event-unit.js b/test/unit/entities/event-unit.js
deleted file mode 100644
index 5bf3422..0000000
--- a/test/unit/entities/event-unit.js
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
-  Unit tests for the Event entity.
-*/
-
-// npm libraries
-import { assert } from 'chai'
-
-// Mocking data libraries
-import {
-  mockKind0Event,
-  mockKind1Event,
-  mockKind3Event,
-  mockKind7Event,
-  mockInvalidEventMissingId,
-  mockInvalidEventWrongIdLength,
-  mockInvalidEventMissingPubkey,
-  mockInvalidEventWrongPubkeyLength,
-  mockInvalidEventMissingCreatedAt,
-  mockInvalidEventWrongCreatedAtType,
-  mockInvalidEventMissingKind,
-  mockInvalidEventKindOutOfRange,
-  mockInvalidEventMissingSig,
-  mockInvalidEventWrongSigLength,
-  mockInvalidEventTagsNotArray
-} from '../mocks/event-mocks.js'
-
-// Unit under test
-import Event from '../../../src/entities/event.js'
-
-describe('#event.js', () => {
-  describe('#isValid()', () => {
-    it('should return true for valid kind 0 event', () => {
-      const event = new Event(mockKind0Event)
-      assert.isTrue(event.isValid())
-    })
-
-    it('should return true for valid kind 1 event', () => {
-      const event = new Event(mockKind1Event)
-      assert.isTrue(event.isValid())
-    })
-
-    it('should return true for valid kind 3 event', () => {
-      const event = new Event(mockKind3Event)
-      assert.isTrue(event.isValid())
-    })
-
-    it('should return true for valid kind 7 event', () => {
-      const event = new Event(mockKind7Event)
-      assert.isTrue(event.isValid())
-    })
-
-    it('should return false for event missing id', () => {
-      const event = new Event(mockInvalidEventMissingId)
-      assert.isFalse(event.isValid())
-    })
-
-    it('should return false for event with wrong id length', () => {
-      const event = new Event(mockInvalidEventWrongIdLength)
-      assert.isFalse(event.isValid())
-    })
-
-    it('should return false for event missing pubkey', () => {
-      const event = new Event(mockInvalidEventMissingPubkey)
-      assert.isFalse(event.isValid())
-    })
-
-    it('should return false for event with wrong pubkey length', () => {
-      const event = new Event(mockInvalidEventWrongPubkeyLength)
-      assert.isFalse(event.isValid())
-    })
-
-    it('should return false for event missing created_at', () => {
-      const event = new Event(mockInvalidEventMissingCreatedAt)
-      assert.isFalse(event.isValid())
-    })
-
-    it('should return false for event with wrong created_at type', () => {
-      const event = new Event(mockInvalidEventWrongCreatedAtType)
-      assert.isFalse(event.isValid())
-    })
-
-    it('should return false for event missing kind', () => {
-      const event = new Event(mockInvalidEventMissingKind)
-      assert.isFalse(event.isValid())
-    })
-
-    it('should return false for event with kind out of range', () => {
-      const event = new Event(mockInvalidEventKindOutOfRange)
-      assert.isFalse(event.isValid())
-    })
-
-    it('should return false for event missing sig', () => {
-      const event = new Event(mockInvalidEventMissingSig)
-      assert.isFalse(event.isValid())
-    })
-
-    it('should return false for event with wrong sig length', () => {
-      const event = new Event(mockInvalidEventWrongSigLength)
-      assert.isFalse(event.isValid())
-    })
-
-    it('should return false for event with tags not an array', () => {
-      const event = new Event(mockInvalidEventTagsNotArray)
-      assert.isFalse(event.isValid())
-    })
-  })
-
-  describe('#toJSON()', () => {
-    it('should serialize event to JSON correctly', () => {
-      const event = new Event(mockKind1Event)
-      const json = event.toJSON()
-
-      assert.property(json, 'id')
-      assert.property(json, 'pubkey')
-      assert.property(json, 'created_at')
-      assert.property(json, 'kind')
-      assert.property(json, 'tags')
-      assert.property(json, 'content')
-      assert.property(json, 'sig')
-
-      assert.equal(json.id, mockKind1Event.id)
-      assert.equal(json.pubkey, mockKind1Event.pubkey)
-      assert.equal(json.created_at, mockKind1Event.created_at)
-      assert.equal(json.kind, mockKind1Event.kind)
-      assert.deepEqual(json.tags, mockKind1Event.tags)
-      assert.equal(json.content, mockKind1Event.content)
-      assert.equal(json.sig, mockKind1Event.sig)
-    })
-
-    it('should serialize event with tags correctly', () => {
-      const event = new Event(mockKind3Event)
-      const json = event.toJSON()
-
-      assert.isArray(json.tags)
-      assert.equal(json.tags.length, 1)
-      assert.deepEqual(json.tags, mockKind3Event.tags)
-    })
-  })
-})