diff --git a/packages/api/src/textToSpeech.d.ts b/packages/api/src/textToSpeech.d.ts
deleted file mode 100644
index 7cf74d63b..000000000
--- a/packages/api/src/textToSpeech.d.ts
+++ /dev/null
@@ -1,31 +0,0 @@
-declare module '@omnivore/text-to-speech-handler' {
-  export function htmlToSpeechFile(htmlInput: HtmlInput): SpeechFile
-
-  export interface HtmlInput {
-    title?: string
-    content: string
-    options: SSMLOptions
-  }
-
-  export interface SSMLOptions {
-    primaryVoice?: string
-    secondaryVoice?: string
-    rate?: string
-    language?: string
-  }
-
-  interface Utterance {
-    idx: string
-    wordOffset: number
-    wordCount: number
-    voice?: string
-    text: string
-  }
-
-  export interface SpeechFile {
-    wordCount: number
-    language: string
-    defaultVoice: string
-    utterances: Utterance[]
-  }
-}
diff --git a/packages/text-to-speech/package.json b/packages/text-to-speech/package.json
index 8d9bf3306..e326eb8f9 100644
--- a/packages/text-to-speech/package.json
+++ b/packages/text-to-speech/package.json
@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "description": "",
   "main": "build/src/index.js",
-  "types": "build/src/index.d.ts",
+  "types": "build/src/htmlToSsml.d.ts",
   "files": [
     "build/src"
   ],
diff --git a/packages/text-to-speech/src/index.ts b/packages/text-to-speech/src/index.ts
index d38adbf8b..5c4902fdf 100644
--- a/packages/text-to-speech/src/index.ts
+++ b/packages/text-to-speech/src/index.ts
@@ -13,7 +13,7 @@ import {
   TextToSpeechInput,
 } from './textToSpeech'
 import { File, Storage } from '@google-cloud/storage'
-import { endSsml, htmlToSpeechFile, startSsml } from './htmlToSsml'
+import { endSsml, startSsml } from './htmlToSsml'
 import crypto from 'crypto'
 import { createRedisClient } from './redis'
 
@@ -236,9 +236,3 @@ export const textToSpeechStreamingHandler = Sentry.GCPFunction.wrapHttpFunction(
     }
   }
 )
-
-module.exports = {
-  htmlToSpeechFile,
-  textToSpeechStreamingHandler,
-  textToSpeechHandler,
-}
diff --git a/packages/text-to-speech/tsconfig.json b/packages/text-to-speech/tsconfig.json
index f450acf38..c980a6b1f 100644
--- a/packages/text-to-speech/tsconfig.json
+++ b/packages/text-to-speech/tsconfig.json
@@ -3,7 +3,9 @@
   "compilerOptions": {
     "outDir": "build",
     "rootDir": ".",
-    "lib": ["dom"]
+    "lib": ["dom"],
+    // Generate d.ts files
+    "declaration": true
   },
-  "include": ["src", "test"]
+  "include": ["src", "test"],
 }