diff --git a/packages/preact-query-devtools/eslint.config.js b/packages/preact-query-devtools/eslint.config.js
index 9480817c5d..2f02929555 100644
--- a/packages/preact-query-devtools/eslint.config.js
+++ b/packages/preact-query-devtools/eslint.config.js
@@ -21,8 +21,6 @@ export default defineConfig([
       'no-import-assign': 'off',
       // TS-aware version handles overloads correctly
       '@typescript-eslint/no-redeclare': 'error',
-      '@typescript-eslint/array-type': 'off',
-      '@typescript-eslint/no-unnecessary-type-assertion': 'off',
       '@typescript-eslint/no-unnecessary-condition': 'off',
     },
   },
diff --git a/packages/preact-query-persist-client/eslint.config.js b/packages/preact-query-persist-client/eslint.config.js
index 9480817c5d..2f02929555 100644
--- a/packages/preact-query-persist-client/eslint.config.js
+++ b/packages/preact-query-persist-client/eslint.config.js
@@ -21,8 +21,6 @@ export default defineConfig([
       'no-import-assign': 'off',
       // TS-aware version handles overloads correctly
       '@typescript-eslint/no-redeclare': 'error',
-      '@typescript-eslint/array-type': 'off',
-      '@typescript-eslint/no-unnecessary-type-assertion': 'off',
       '@typescript-eslint/no-unnecessary-condition': 'off',
     },
   },
diff --git a/packages/preact-query/eslint.config.js b/packages/preact-query/eslint.config.js
index 9480817c5d..2f02929555 100644
--- a/packages/preact-query/eslint.config.js
+++ b/packages/preact-query/eslint.config.js
@@ -21,8 +21,6 @@ export default defineConfig([
       'no-import-assign': 'off',
       // TS-aware version handles overloads correctly
       '@typescript-eslint/no-redeclare': 'error',
-      '@typescript-eslint/array-type': 'off',
-      '@typescript-eslint/no-unnecessary-type-assertion': 'off',
       '@typescript-eslint/no-unnecessary-condition': 'off',
     },
   },
diff --git a/packages/preact-query/src/__tests__/ErrorBoundary/ErrorBoundary.ts b/packages/preact-query/src/__tests__/ErrorBoundary/ErrorBoundary.ts
index b363a80b9e..457eb8ae78 100644
--- a/packages/preact-query/src/__tests__/ErrorBoundary/ErrorBoundary.ts
+++ b/packages/preact-query/src/__tests__/ErrorBoundary/ErrorBoundary.ts
@@ -34,7 +34,7 @@ export class ErrorBoundary extends Component<
     return { didCatch: true, error }
   }
 
-  resetErrorBoundary(...args: any[]) {
+  resetErrorBoundary(...args: Array<any>) {
     const { error } = this.state
 
     if (error !== null) {
@@ -126,7 +126,7 @@ export class ErrorBoundary extends Component<
   }
 }
 
-function hasArrayChanged(a: any[] = [], b: any[] = []) {
+function hasArrayChanged(a: Array<any> = [], b: Array<any> = []) {
   return (
     a.length !== b.length || a.some((item, index) => !Object.is(item, b[index]))
   )
diff --git a/packages/preact-query/src/__tests__/ErrorBoundary/ErrorBoundaryContext.ts b/packages/preact-query/src/__tests__/ErrorBoundary/ErrorBoundaryContext.ts
index 5f0315b848..6eb775ecf6 100644
--- a/packages/preact-query/src/__tests__/ErrorBoundary/ErrorBoundaryContext.ts
+++ b/packages/preact-query/src/__tests__/ErrorBoundary/ErrorBoundaryContext.ts
@@ -3,7 +3,7 @@ import { createContext } from 'preact'
 type ErrorBoundaryContextType = {
   didCatch: boolean
   error: any
-  resetErrorBoundary: (...args: any[]) => void
+  resetErrorBoundary: (...args: Array<any>) => void
 }
 
 export const ErrorBoundaryContext =
diff --git a/packages/preact-query/src/__tests__/ErrorBoundary/types.ts b/packages/preact-query/src/__tests__/ErrorBoundary/types.ts
index 16e29744be..0b241b5ad1 100644
--- a/packages/preact-query/src/__tests__/ErrorBoundary/types.ts
+++ b/packages/preact-query/src/__tests__/ErrorBoundary/types.ts
@@ -7,7 +7,7 @@ import type {
 
 export type FallbackProps = {
   error: any
-  resetErrorBoundary: (...args: any[]) => void
+  resetErrorBoundary: (...args: Array<any>) => void
 }
 
 type PropsWithChildren<TProps = {}> = TProps & {
@@ -18,10 +18,14 @@ type ErrorBoundarySharedProps = PropsWithChildren<{
   onError?: (error: Error, info: ErrorInfo) => void
   onReset?: (
     details:
-      | { reason: 'imperative-api'; args: any[] }
-      | { reason: 'keys'; prev: any[] | undefined; next: any[] | undefined },
+      | { reason: 'imperative-api'; args: Array<any> }
+      | {
+          reason: 'keys'
+          prev: Array<any> | undefined
+          next: Array<any> | undefined
+        },
   ) => void
-  resetKeys?: any[]
+  resetKeys?: Array<any>
 }>
 
 type ErrorBoundaryPropsWithComponent = ErrorBoundarySharedProps & {
diff --git a/packages/preact-query/src/__tests__/useSuspenseQuery.test.tsx b/packages/preact-query/src/__tests__/useSuspenseQuery.test.tsx
index bc88b3a043..c33bcb97bc 100644
--- a/packages/preact-query/src/__tests__/useSuspenseQuery.test.tsx
+++ b/packages/preact-query/src/__tests__/useSuspenseQuery.test.tsx
@@ -1153,9 +1153,7 @@ describe('useSuspenseQuery', () => {
     function Page() {
       return (
         <div>
-          <button
-            onClick={() => queryClient.setQueryData(key, undefined as any)}
-          >
+          <button onClick={() => queryClient.setQueryData(key, undefined)}>
             set undefined
           </button>
           <Suspense fallback="loading">