diff --git a/eslint.config.js b/eslint.config.js
index 7bc09a0..931f4d3 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -56,7 +56,6 @@ module.exports = [
     rules: {
       '@typescript-eslint/ban-types': 'off',
       '@typescript-eslint/explicit-function-return-type': 'off',
-      '@typescript-eslint/no-explicit-any': 'off',
       '@typescript-eslint/no-unused-vars': [
         'error',
         {
diff --git a/packages/frontend/src/app-history.ts b/packages/frontend/src/app-history.ts
index 412a845..6e1e8db 100644
--- a/packages/frontend/src/app-history.ts
+++ b/packages/frontend/src/app-history.ts
@@ -1,7 +1,7 @@
 import { createBrowserHistory, History } from 'history'
 
 class AppHistory {
-  public static getInstance(): History<any> {
+  public static getInstance(): History {
     if (!AppHistory.history) {
       AppHistory.history = createBrowserHistory()
     }
diff --git a/packages/frontend/src/components/text-input.tsx b/packages/frontend/src/components/text-input.tsx
index d5e2dc5..1e24ad4 100644
--- a/packages/frontend/src/components/text-input.tsx
+++ b/packages/frontend/src/components/text-input.tsx
@@ -91,7 +91,7 @@ class TextInput extends React.Component<TextInputProps, TextInputState> {
             type={type}
             placeholder={placeholder}
             floating={Boolean(floating)}
-            onBlur={(event: any) => this.onBlur(event)}
+            onBlur={(event: React.FocusEvent<HTMLInputElement>) => this.onBlur(event)}
             valid={valid}
             onChange={this.onChange}
             onKeyDown={onKeyDown}
diff --git a/packages/frontend/src/components/text-time-input.tsx b/packages/frontend/src/components/text-time-input.tsx
index 3a5bf88..8311d11 100644
--- a/packages/frontend/src/components/text-time-input.tsx
+++ b/packages/frontend/src/components/text-time-input.tsx
@@ -10,8 +10,8 @@ import Suggestions from './suggestions'
 import { useValidationHelper } from '../helper/validation-helper'
 
 interface TextTimeInputProps {
-  onSave: (entry: EntryInput) => any
-  onDelete?: () => any
+  onSave: (entry: EntryInput) => void
+  onDelete?: () => void
   clearOnSave?: boolean
   entry?: Pick<Entry, 'time' | 'text'>
   disabled?: boolean
diff --git a/packages/frontend/src/global.d.ts b/packages/frontend/src/global.d.ts
index e37d11f..4c1c8fc 100644
--- a/packages/frontend/src/global.d.ts
+++ b/packages/frontend/src/global.d.ts
@@ -13,7 +13,7 @@ declare module '*.woff2' {
 declare module 'imagetracerjs'
 
 declare module '*.json' {
-  const json: any
+  const json: unknown
   export default json
 }
 
diff --git a/packages/frontend/src/hooks/use-form-toast.ts b/packages/frontend/src/hooks/use-form-toast.ts
index 806c88d..4d1e807 100644
--- a/packages/frontend/src/hooks/use-form-toast.ts
+++ b/packages/frontend/src/hooks/use-form-toast.ts
@@ -1,10 +1,10 @@
 import { useEffect, useRef } from 'react'
-import { FormState } from 'react-hook-form'
+import { FieldValues, FormState } from 'react-hook-form'
 
 import strings from '../locales/localization'
 import { useToastContext } from './use-toast-context'
 
-export const useFormToasts = <T extends Record<string, any>>(formState: FormState<T>): void => {
+export const useFormToasts = <T extends FieldValues>(formState: FormState<T>): void => {
   const { errors } = formState
 
   const errorKey = useRef('')