diff --git a/packages/input/src/index.ts b/packages/input/src/index.ts
index 7b951931f..8097c2dcc 100644
--- a/packages/input/src/index.ts
+++ b/packages/input/src/index.ts
@@ -6,13 +6,13 @@ import {
   isEnterKey,
   isBackspaceKey,
   AsyncPromptConfig,
-} from '@inquirer/core/src';
+} from '@inquirer/core';
 import chalk from 'chalk';
 
 export type InputConfig = AsyncPromptConfig & {
   default?: string;
   transformer?: (value: string, { isFinal }: { isFinal: boolean }) => string;
-  filter: (input: string) => string 
+  filter?: (input: string) => string 
 };
 
 export default createPrompt<string, InputConfig>((config, done) => {
diff --git a/packages/password/src/index.ts b/packages/password/src/index.ts
index 78b1006ec..4188a9708 100644
--- a/packages/password/src/index.ts
+++ b/packages/password/src/index.ts
@@ -5,7 +5,7 @@ type PasswordConfig = InputConfig & {
   mask?: boolean | string;
 };
 
-export default (config: PasswordConfig, stdio: Parameters<typeof input>[1]) => {
+export default (config: PasswordConfig, stdio?: Parameters<typeof input>[1]) => {
   if (config.transformer) {
     throw new Error(
       'Inquirer password prompt do not support custom transformer function. Use the input prompt instead.'
diff --git a/packages/rawlist/src/index.ts b/packages/rawlist/src/index.ts
index f786de3a9..1d741381b 100644
--- a/packages/rawlist/src/index.ts
+++ b/packages/rawlist/src/index.ts
@@ -5,7 +5,7 @@ import {
   usePrefix,
   isEnterKey,
   AsyncPromptConfig,
-} from '@inquirer/core/src';
+} from '@inquirer/core';
 import chalk from 'chalk';
 
 const numberRegex = /[0-9]+/;